NativeCrashListener,安卓系统AOSP源码
程序崩溃日志：
NativeCrashListener(791): Exception dealing with report
NativeCrashListener(791): android.system.ErrnoException: read failed: EAGAIN (Try again)
NativeCrashListener(791): at libcore.io.Posix.readBytes(Native Method)
NativeCrashListener(791): at libcore.io.Posix.read(Posix.java:165)
NativeCrashListener(791): at libcore.io.BlockGuardOs.read(BlockGuardOs.java:230)
NativeCrashListener(791): at android.system.Os.read(Os.java:350)
NativeCrashListener(791): at com.android.server.am.NativeCrashListener.consumeNativeCrashData(NativeCrashListener.java:240)
NativeCrashListener(791): at com.android.server.am.NativeCrashListener.run(NativeCrashListener.java:138)
frameworks\base\services\core\java\com\android\server\am\NativeCrashListener.java
package com.android.server.am;
import android.app.ApplicationErrorReport.CrashInfo;
import android.system.ErrnoException;
import android.system.Os;
import android.system.StructTimeval;
import android.system.StructUcred;
import android.util.Slog;
import static android.system.OsConstants.*;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileDescriptor;
import java.io.InterruptedIOException;
import java.net.InetSocketAddress;
import java.net.InetUnixAddress;
/**
* Set up a Unix domain socket that debuggerd will connect() to in
* order to write a description of a native crash. The crash info is
* then parsed and forwarded to the ActivityManagerService's normal
* crash handling code.
*
* Note that this component runs in a separate thread.
*/
final class NativeCrashListener extends Thread {
static final String TAG = "NativeCrashListener";
static final boolean DEBUG = false;
static final boolean MORE_DEBUG = DEBUG && false;
// Must match the path defined in debuggerd.c.
static final String DEBUGGERD_SOCKET_PATH = "/data/system/ndebugsocket";
// Use a short timeout on socket operations and abandon the connection
// on hard errors
static final long SOCKET_TIMEOUT_MILLIS = 2000; // 2 seconds
final ActivityManagerService mAm;
/*
* Spin the actual work of handling a debuggerd crash report into a
* separate thread so that the listener can go immediately back to
* accepting incoming connections.
*/
class NativeCrashReporter extends Thread {
ProcessRecord mApp;
int mSignal;
String mCrashReport;
NativeCrashReporter(ProcessRecord app, int signal, String report) {
super("NativeCrashReport");
mApp = app;
mSignal = signal;
mCrashReport = report;
}
@Override
public void run() {
try {
CrashInfo ci = new CrashInfo();
ci.exceptionClassName = "Native crash";
ci.exceptionMessage = Os.strsignal(mSignal);
ci.throwFileName = "unknown";
ci.throwClassName = "unknown";
ci.throwMethodName = "unknown";
ci.stackTrace = mCrashReport;
if (DEBUG) Slog.v(TAG, "Calling handleApplicationCrash()");
mAm.handleApplicationCrashInner("native_crash", mApp, mApp.processName, ci);
if (DEBUG) Slog.v(TAG, "<-- handleApplicationCrash() returned");
} catch (Exception e) {
Slog.e(TAG, "Unable to report native crash", e);
}
}
}
/*
* Daemon thread that accept()s incoming domain socket connections from debuggerd
* and processes the crash dump that is passed through.
*/
NativeCrashListener(ActivityManagerService am) {
mAm = am;
}
@Override
public void run() {
final byte[] ackSignal = new byte[1];
if (DEBUG) Slog.i(TAG, "Starting up");
// The file system entity for this socket is created with 0700 perms, owned
// by system:system. debuggerd runs as root, so is capable of connecting to
// it, but 3rd party apps cannot.
{
File socketFile = new File(DEBUGGERD_SOCKET_PATH);
if (socketFile.exists()) {
socketFile.delete();
}
}
try {
FileDescriptor serverFd = Os.socket(AF_UNIX, SOCK_STREAM, 0);
final InetUnixAddress sockAddr = new InetUnixAddress(DEBUGGERD_SOCKET_PATH);
Os.bind(serverFd, sockAddr, 0);
Os.listen(serverFd, 1);
while (true) {
InetSocketAddress peer = new InetSocketAddress();
FileDescriptor peerFd = null;
try {
if (MORE_DEBUG) Slog.v(TAG, "Waiting for debuggerd connection");
peerFd = Os.accept(serverFd, peer);
if (MORE_DEBUG) Slog.v(TAG, "Got debuggerd socket " + peerFd);
if (peerFd != null) {
// Only the superuser is allowed to talk to us over this socket
StructUcred credentials =
Os.getsockoptUcred(peerFd, SOL_SOCKET, SO_PEERCRED);
if (credentials.uid == 0) {
// the reporting thread may take responsibility for
// acking the debugger; make sure we play along.
consumeNativeCrashData(peerFd);
}
}
} catch (Exception e) {
Slog.w(TAG, "Error handling connection", e);
} finally {
// Always ack debuggerd's connection to us. The actual
// byte written is irrelevant.
if (peerFd != null) {
try {
Os.write(peerFd, ackSignal, 0, 1);
} catch (Exception e) {
/* we don't care about failures here */
if (MORE_DEBUG) {
Slog.d(TAG, "Exception writing ack: " + e.getMessage());
}
}
try {
Os.close(peerFd);
} catch (ErrnoException e) {
if (MORE_DEBUG) {
Slog.d(TAG, "Exception closing socket: " + e.getMessage());
}
}
}
}
}
} catch (Exception e) {
Slog.e(TAG, "Unable to init native debug socket!", e);
}
}
static int unpackInt(byte[] buf, int offset) {
int b0, b1, b2, b3;
b0 = ((int) buf[offset]) & 0xFF; // mask against sign extension
b1 = ((int) buf[offset+1]) & 0xFF;
b2 = ((int) buf[offset+2]) & 0xFF;
b3 = ((int) buf[offset+3]) & 0xFF;
return (b0 << 24) | (b1 << 16) | (b2 << 8) | b3;
}
static int readExactly(FileDescriptor fd, byte[] buffer, int offset, int numBytes)
throws ErrnoException, InterruptedIOException {
int totalRead = 0;
while (numBytes > 0) {
int n = Os.read(fd, buffer, offset + totalRead, numBytes);
if (n <= 0) {
if (DEBUG) {
Slog.w(TAG, "Needed " + numBytes + " but saw " + n);
}
return -1; // premature EOF or timeout
}
numBytes -= n;
totalRead += n;
}
return totalRead;
}
// Read the crash report from the debuggerd connection
void consumeNativeCrashData(FileDescriptor fd) {
if (MORE_DEBUG) Slog.i(TAG, "debuggerd connected");
final byte[] buf = new byte[4096];
final ByteArrayOutputStream os = new ByteArrayOutputStream(4096);
try {
StructTimeval timeout = StructTimeval.fromMillis(SOCKET_TIMEOUT_MILLIS);
Os.setsockoptTimeval(fd, SOL_SOCKET, SO_RCVTIMEO, timeout);
Os.setsockoptTimeval(fd, SOL_SOCKET, SO_SNDTIMEO, timeout);
// first, the pid and signal number
int headerBytes = readExactly(fd, buf, 0, 8);
if (headerBytes != 8) {
// protocol failure; give up
Slog.e(TAG, "Unable to read from debuggerd");
return;
}
int pid = unpackInt(buf, 0);
int signal = unpackInt(buf, 4);
if (DEBUG) {
Slog.v(TAG, "Read pid=" + pid + " signal=" + signal);
}
// now the text of the dump
if (pid > 0) {
final ProcessRecord pr;
synchronized (mAm.mPidsSelfLocked) {
pr = mAm.mPidsSelfLocked.get(pid);
}
if (pr != null) {
// Don't attempt crash reporting for persistent apps
if (pr.persistent) {
if (DEBUG) {
Slog.v(TAG, "Skipping report for persistent app " + pr);
}
return;
}
int bytes;
do {
// get some data
bytes = Os.read(fd, buf, 0, buf.length);
if (bytes > 0) {
if (MORE_DEBUG) {
String s = new String(buf, 0, bytes, "UTF-8");
Slog.v(TAG, "READ=" + bytes + "> " + s);
}
// did we just get the EOD null byte?
if (buf[bytes-1] == 0) {
os.write(buf, 0, bytes-1); // exclude the EOD token
break;
}
// no EOD, so collect it and read more
os.write(buf, 0, bytes);
}
} while (bytes > 0);
// Okay, we've got the report.
if (DEBUG) Slog.v(TAG, "processing");
// Mark the process record as being a native crash so that the
// cleanup mechanism knows we're still submitting the report
// even though the process will vanish as soon as we let
// debuggerd proceed.
synchronized (mAm) {
pr.crashing = true;
pr.forceCrashReport = true;
}
// Crash reporting is synchronous but we want to let debuggerd
// go about it business right away, so we spin off the actual
// reporting logic on a thread and let it take it's time.
final String reportString = new String(os.toByteArray(), "UTF-8");
(new NativeCrashReporter(pr, signal, reportString)).start();
} else {
Slog.w(TAG, "Couldn't find ProcessRecord for pid " + pid);
}
} else {
Slog.e(TAG, "Bogus pid!");
}
} catch (Exception e) {
Slog.e(TAG, "Exception dealing with report", e);
// ugh, fail.
}
}
}在ActivityManagerService中启动。
frameworks\base\services\core\java\com\android\server\am\ActivityManagerService.java
package com.android.server.am;
import static android.Manifest.permission.INTERACT_ACROSS_USERS;
import static android.Manifest.permission.INTERACT_ACROSS_USERS_FULL;
import static android.Manifest.permission.START_TASKS_FROM_RECENTS;
import static android.content.pm.PackageManager.PERMISSION_GRANTED;
import static com.android.internal.util.XmlUtils.readBooleanAttribute;
import static com.android.internal.util.XmlUtils.readIntAttribute;
import static com.android.internal.util.XmlUtils.readLongAttribute;
import static com.android.internal.util.XmlUtils.writeBooleanAttribute;
import static com.android.internal.util.XmlUtils.writeIntAttribute;
import static com.android.internal.util.XmlUtils.writeLongAttribute;
import static com.android.server.Watchdog.NATIVE_STACKS_OF_INTEREST;
import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT;
import static org.xmlpull.v1.XmlPullParser.START_TAG;
import static com.android.server.am.ActivityStackSupervisor.HOME_STACK_ID;
import static com.android.server.am.TaskRecord.INVALID_TASK_ID;
import android.Manifest;
import android.app.AppOpsManager;
import android.app.ApplicationThreadNative;
import android.app.IActivityContainer;
import android.app.IActivityContainerCallback;
import android.app.IAppTask;
import android.app.ITaskStackListener;
import android.app.ProfilerInfo;
import android.app.admin.DevicePolicyManager;
import android.app.usage.UsageEvents;
import android.app.usage.UsageStatsManagerInternal;
import android.appwidget.AppWidgetManager;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.Point;
import android.graphics.Rect;
import android.os.BatteryStats;
import android.os.PersistableBundle;
import android.os.storage.IMountService;
import android.os.storage.StorageManager;
import android.service.voice.IVoiceInteractionSession;
import android.util.ArrayMap;
import android.util.ArraySet;
import android.util.SparseIntArray;
import android.view.Display;
import com.android.internal.R;
import com.android.internal.annotations.GuardedBy;
import com.android.internal.app.IAppOpsService;
import com.android.internal.app.IVoiceInteractor;
import com.android.internal.app.ProcessMap;
import com.android.internal.app.ProcessStats;
import com.android.internal.os.BackgroundThread;
import com.android.internal.os.BatteryStatsImpl;
import com.android.internal.os.ProcessCpuTracker;
import com.android.internal.os.TransferPipe;
import com.android.internal.os.Zygote;
import com.android.internal.util.FastPrintWriter;
import com.android.internal.util.FastXmlSerializer;
import com.android.internal.util.MemInfoReader;
import com.android.internal.util.Preconditions;
import com.android.server.AppOpsService;
import com.android.server.AttributeCache;
import com.android.server.IntentResolver;
import com.android.server.LocalServices;
import com.android.server.ServiceThread;
import com.android.server.SystemService;
import com.android.server.SystemServiceManager;
import com.android.server.Watchdog;
import com.android.server.am.ActivityStack.ActivityState;
import com.android.server.firewall.IntentFirewall;
import com.android.server.pm.Installer;
import com.android.server.pm.UserManagerService;
import com.android.server.statusbar.StatusBarManagerInternal;
import com.android.server.wm.AppTransition;
import com.android.server.wm.WindowManagerService;
import com.google.android.collect.Lists;
import com.google.android.collect.Maps;
import libcore.io.IoUtils;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import org.xmlpull.v1.XmlSerializer;
import android.app.Activity;
import android.app.ActivityManager;
import android.app.ActivityManager.RunningTaskInfo;
import android.app.ActivityManager.StackInfo;
import android.app.ActivityManagerInternal;
import android.app.ActivityManagerNative;
import android.app.ActivityOptions;
import android.app.ActivityThread;
import android.app.AlertDialog;
import android.app.AppGlobals;
import android.app.ApplicationErrorReport;
import android.app.Dialog;
import android.app.IActivityController;
import android.app.IApplicationThread;
import android.app.IInstrumentationWatcher;
import android.app.INotificationManager;
import android.app.IProcessObserver;
import android.app.IServiceConnection;
import android.app.IStopUserCallback;
import android.app.IUiAutomationConnection;
import android.app.IUserSwitchObserver;
import android.app.Instrumentation;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.app.backup.IBackupManager;
import android.content.ActivityNotFoundException;
import android.content.BroadcastReceiver;
import android.content.ClipData;
import android.content.ComponentCallbacks2;
import android.content.ComponentName;
import android.content.ContentProvider;
import android.content.ContentResolver;
import android.content.Context;
import android.content.DialogInterface;
import android.content.IContentProvider;
import android.content.IIntentReceiver;
import android.content.IIntentSender;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.IntentSender;
import android.content.pm.ActivityInfo;
import android.content.pm.ApplicationInfo;
import android.content.pm.ConfigurationInfo;
import android.content.pm.IPackageDataObserver;
import android.content.pm.IPackageManager;
import android.content.pm.InstrumentationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.ParceledListSlice;
import android.content.pm.UserInfo;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.pm.PathPermission;
import android.content.pm.ProviderInfo;
import android.content.pm.ResolveInfo;
import android.content.pm.ServiceInfo;
import android.content.res.CompatibilityInfo;
import android.content.res.Configuration;
import android.net.Proxy;
import android.net.ProxyInfo;
import android.net.Uri;
import android.os.Binder;
import android.os.Build;
import android.os.Bundle;
import android.os.Debug;
import android.os.DropBoxManager;
import android.os.Environment;
import android.os.FactoryTest;
import android.os.FileObserver;
import android.os.FileUtils;
import android.os.Handler;
import android.os.IBinder;
import android.os.IPermissionController;
import android.os.IRemoteCallback;
import android.os.IUserManager;
import android.os.Looper;
import android.os.Message;
import android.os.Parcel;
import android.os.ParcelFileDescriptor;
import android.os.PowerManagerInternal;
import android.os.Process;
import android.os.RemoteCallbackList;
import android.os.RemoteException;
import android.os.SELinux;
import android.os.ServiceManager;
import android.os.StrictMode;
import android.os.SystemClock;
import android.os.SystemProperties;
import android.os.UpdateLock;
import android.os.UserHandle;
import android.os.UserManager;
import android.provider.Settings;
import android.text.format.DateUtils;
import android.text.format.Time;
import android.util.AtomicFile;
import android.util.EventLog;
import android.util.Log;
import android.util.Pair;
import android.util.PrintWriterPrinter;
import android.util.Slog;
import android.util.SparseArray;
import android.util.TimeUtils;
import android.util.Xml;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.WindowManager;
import dalvik.system.VMRuntime;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileDescriptor;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicLong;
public final class ActivityManagerService extends ActivityManagerNative
implements Watchdog.Monitor, BatteryStatsImpl.BatteryCallback {
private static final String USER_DATA_DIR = "/data/user/";
// File that stores last updated system version and called preboot receivers
static final String CALLED_PRE_BOOTS_FILENAME = "called_pre_boots.dat";
static final String TAG = "ActivityManager";
static final String TAG_MU = "ActivityManagerServiceMU";
static final boolean DEBUG = false;
static final boolean localLOGV = DEBUG;
static final boolean DEBUG_BACKUP = localLOGV || false;
static final boolean DEBUG_BROADCAST = localLOGV || false;
static final boolean DEBUG_BROADCAST_LIGHT = DEBUG_BROADCAST || false;
static final boolean DEBUG_BACKGROUND_BROADCAST = DEBUG_BROADCAST || false;
static final boolean DEBUG_CLEANUP = localLOGV || false;
static final boolean DEBUG_CONFIGURATION = localLOGV || false;
static final boolean DEBUG_FOCUS = false;
static final boolean DEBUG_IMMERSIVE = localLOGV || false;
static final boolean DEBUG_MU = localLOGV || false;
static final boolean DEBUG_OOM_ADJ = localLOGV || false;
static final boolean DEBUG_LRU = localLOGV || false;
static final boolean DEBUG_PAUSE = localLOGV || false;
static final boolean DEBUG_POWER = localLOGV || false;
static final boolean DEBUG_POWER_QUICK = DEBUG_POWER || false;
static final boolean DEBUG_PROCESS_OBSERVERS = localLOGV || false;
static final boolean DEBUG_PROCESSES = localLOGV || false;
static final boolean DEBUG_PROVIDER = localLOGV || false;
static final boolean DEBUG_RESULTS = localLOGV || false;
static final boolean DEBUG_SERVICE = localLOGV || false;
static final boolean DEBUG_SERVICE_EXECUTING = localLOGV || false;
static final boolean DEBUG_STACK = localLOGV || false;
static final boolean DEBUG_SWITCH = localLOGV || false;
static final boolean DEBUG_TASKS = localLOGV || false;
static final boolean DEBUG_THUMBNAILS = localLOGV || false;
static final boolean DEBUG_TRANSITION = localLOGV || false;
static final boolean DEBUG_URI_PERMISSION = localLOGV || false;
static final boolean DEBUG_USER_LEAVING = localLOGV || false;
static final boolean DEBUG_VISBILITY = localLOGV || false;
static final boolean DEBUG_PSS = localLOGV || false;
static final boolean DEBUG_LOCKSCREEN = localLOGV || false;
static final boolean DEBUG_RECENTS = localLOGV || false;
static final boolean VALIDATE_TOKENS = false;
static final boolean SHOW_ACTIVITY_START_TIME = true;
// Control over CPU and battery monitoring.
static final long BATTERY_STATS_TIME = 30*60*1000; // write battery stats every 30 minutes.
static final boolean MONITOR_CPU_USAGE = true;
static final long MONITOR_CPU_MIN_TIME = 5*1000; // don't sample cpu less than every 5 seconds.
static final long MONITOR_CPU_MAX_TIME = 0x0fffffff; // wait possibly forever for next cpu sample.
static final boolean MONITOR_THREAD_CPU_USAGE = false;
// The flags that are set for all calls we make to the package manager.
static final int STOCK_PM_FLAGS = PackageManager.GET_SHARED_LIBRARY_FILES;
private static final String SYSTEM_DEBUGGABLE = "ro.debuggable";
static final boolean IS_USER_BUILD = "user".equals(Build.TYPE);
// Maximum number recent bitmaps to keep in memory.
static final int MAX_RECENT_BITMAPS = 3;
// Amount of time after a call to stopAppSwitches() during which we will
// prevent further untrusted switches from happening.
static final long APP_SWITCH_DELAY_TIME = 5*1000;
// How long we wait for a launched process to attach to the activity manager
// before we decide it's never going to come up for real.
static final int PROC_START_TIMEOUT = 10*1000;
// How long we wait for a launched process to attach to the activity manager
// before we decide it's never going to come up for real, when the process was
// started with a wrapper for instrumentation (such as Valgrind) because it
// could take much longer than usual.
static final int PROC_START_TIMEOUT_WITH_WRAPPER = 1200*1000;
// How long to wait after going idle before forcing apps to GC.
static final int GC_TIMEOUT = 5*1000;
// The minimum amount of time between successive GC requests for a process.
static final int GC_MIN_INTERVAL = 60*1000;
// The minimum amount of time between successive PSS requests for a process.
static final int FULL_PSS_MIN_INTERVAL = 10*60*1000;
// The minimum amount of time between successive PSS requests for a process
// when the request is due to the memory state being lowered.
static final int FULL_PSS_LOWERED_INTERVAL = 2*60*1000;
// The rate at which we check for apps using excessive power -- 15 mins.
static final int POWER_CHECK_DELAY = (DEBUG_POWER_QUICK ? 2 : 15) * 60*1000;
// The minimum sample duration we will allow before deciding we have
// enough data on wake locks to start killing things.
static final int WAKE_LOCK_MIN_CHECK_DURATION = (DEBUG_POWER_QUICK ? 1 : 5) * 60*1000;
// The minimum sample duration we will allow before deciding we have
// enough data on CPU usage to start killing things.
static final int CPU_MIN_CHECK_DURATION = (DEBUG_POWER_QUICK ? 1 : 5) * 60*1000;
// How long we allow a receiver to run before giving up on it.
static final int BROADCAST_FG_TIMEOUT = 10*1000;
static final int BROADCAST_BG_TIMEOUT = 60*1000;
// How long we wait until we timeout on key dispatching.
static final int KEY_DISPATCHING_TIMEOUT = 5*1000;
// How long we wait until we timeout on key dispatching during instrumentation.
static final int INSTRUMENTATION_KEY_DISPATCHING_TIMEOUT = 60*1000;
// Amount of time we wait for observers to handle a user switch before
// giving up on them and unfreezing the screen.
static final int USER_SWITCH_TIMEOUT = 2*1000;
// Maximum number of users we allow to be running at a time.
static final int MAX_RUNNING_USERS = 3;
// How long to wait in getAssistContextExtras for the activity and foreground services
// to respond with the result.
static final int PENDING_ASSIST_EXTRAS_TIMEOUT = 500;
// Maximum number of persisted Uri grants a package is allowed
static final int MAX_PERSISTED_URI_GRANTS = 128;
static final int MY_PID = Process.myPid();
static final String[] EMPTY_STRING_ARRAY = new String[0];
// How many bytes to write into the dropbox log before truncating
static final int DROPBOX_MAX_SIZE = 256 * 1024;
// Access modes for handleIncomingUser.
static final int ALLOW_NON_FULL = 0;
static final int ALLOW_NON_FULL_IN_PROFILE = 1;
static final int ALLOW_FULL_ONLY = 2;
static final int LAST_PREBOOT_DELIVERED_FILE_VERSION = 10000;
// Delay in notifying task stack change listeners (in millis)
static final int NOTIFY_TASK_STACK_CHANGE_LISTENERS_DELAY = 1000;
/** All system services */
SystemServiceManager mSystemServiceManager;
private Installer mInstaller;
/** Run all ActivityStacks through this */
ActivityStackSupervisor mStackSupervisor;
/** Task stack change listeners. */
private RemoteCallbackList mTaskStackListeners =
new RemoteCallbackList();
public IntentFirewall mIntentFirewall;
// Whether we should show our dialogs (ANR, crash, etc) or just perform their
// default actuion automatically. Important for devices without direct input
// devices.
private boolean mShowDialogs = true;
BroadcastQueue mFgBroadcastQueue;
BroadcastQueue mBgBroadcastQueue;
// Convenient for easy iteration over the queues. Foreground is first
// so that dispatch of foreground broadcasts gets precedence.
final BroadcastQueue[] mBroadcastQueues = new BroadcastQueue[2];
BroadcastQueue broadcastQueueForIntent(Intent intent) {
final boolean isFg = (intent.getFlags() & Intent.FLAG_RECEIVER_FOREGROUND) != 0;
if (DEBUG_BACKGROUND_BROADCAST) {
Slog.i(TAG, "Broadcast intent " + intent + " on "
+ (isFg ? "foreground" : "background")
+ " queue");
}
return (isFg) ? mFgBroadcastQueue : mBgBroadcastQueue;
}
BroadcastRecord broadcastRecordForReceiverLocked(IBinder receiver) {
for (BroadcastQueue queue : mBroadcastQueues) {
BroadcastRecord r = queue.getMatchingOrderedReceiver(receiver);
if (r != null) {
return r;
}
}
return null;
}
/**
* Activity we have told the window manager to have key focus.
*/
ActivityRecord mFocusedActivity = null;
/**
* List of intents that were used to start the most recent tasks.
*/
ArrayList mRecentTasks;
ArrayList mTmpRecents = new ArrayList();
/**
* For addAppTask: cached of the last activity component that was added.
*/
ComponentName mLastAddedTaskComponent;
/**
* For addAppTask: cached of the last activity uid that was added.
*/
int mLastAddedTaskUid;
/**
* For addAppTask: cached of the last ActivityInfo that was added.
*/
ActivityInfo mLastAddedTaskActivity;
public class PendingAssistExtras extends Binder implements Runnable {
public final ActivityRecord activity;
public final Bundle extras;
public final Intent intent;
public final String hint;
public final int userHandle;
public boolean haveResult = false;
public Bundle result = null;
public PendingAssistExtras(ActivityRecord _activity, Bundle _extras, Intent _intent,
String _hint, int _userHandle) {
activity = _activity;
extras = _extras;
intent = _intent;
hint = _hint;
userHandle = _userHandle;
}
@Override
public void run() {
Slog.w(TAG, "getAssistContextExtras failed: timeout retrieving from " + activity);
synchronized (this) {
haveResult = true;
notifyAll();
}
}
}
final ArrayList mPendingAssistExtras
= new ArrayList();
/**
* Process management.
*/
final ProcessList mProcessList = new ProcessList();
/**
* All of the applications we currently have running organized by name.
* The keys are strings of the application package name (as
* returned by the package manager), and the keys are ApplicationRecord
* objects.
*/
final ProcessMap mProcessNames = new ProcessMap();
/**
* Tracking long-term execution of processes to look for abuse and other
* bad app behavior.
*/
final ProcessStatsService mProcessStats;
/**
* The currently running isolated processes.
*/
final SparseArray mIsolatedProcesses = new SparseArray();
/**
* Counter for assigning isolated process uids, to avoid frequently reusing the
* same ones.
*/
int mNextIsolatedProcessUid = 0;
/**
* The currently running heavy-weight process, if any.
*/
ProcessRecord mHeavyWeightProcess = null;
/**
* The last time that various processes have crashed.
*/
final ProcessMap mProcessCrashTimes = new ProcessMap();
/**
* Information about a process that is currently marked as bad.
*/
static final class BadProcessInfo {
BadProcessInfo(long time, String shortMsg, String longMsg, String stack) {
this.time = time;
this.shortMsg = shortMsg;
this.longMsg = longMsg;
this.stack = stack;
}
final long time;
final String shortMsg;
final String longMsg;
final String stack;
}
/**
* Set of applications that we consider to be bad, and will reject
* incoming broadcasts from (which the user has no control over).
* Processes are added to this set when they have crashed twice within
* a minimum amount of time; they are removed from it when they are
* later restarted (hopefully due to some user action). The value is the
* time it was added to the list.
*/
final ProcessMap mBadProcesses = new ProcessMap();
/**
* All of the processes we currently have running organized by pid.
* The keys are the pid running the application.
*
* NOTE: This object is protected by its own lock, NOT the global
* activity manager lock!
*/
final SparseArray mPidsSelfLocked = new SparseArray();
/**
* All of the processes that have been forced to be foreground. The key
* is the pid of the caller who requested it (we hold a death
* link on it).
*/
abstract class ForegroundToken implements IBinder.DeathRecipient {
int pid;
IBinder token;
}
final SparseArray mForegroundProcesses = new SparseArray();
/**
* List of records for processes that someone had tried to start before the
* system was ready. We don't start them at that point, but ensure they
* are started by the time booting is complete.
*/
final ArrayList mProcessesOnHold = new ArrayList();
/**
* List of persistent applications that are in the process
* of being started.
*/
final ArrayList mPersistentStartingProcesses = new ArrayList();
/**
* Processes that are being forcibly torn down.
*/
final ArrayList mRemovedProcesses = new ArrayList();
/**
* List of running applications, sorted by recent usage.
* The first entry in the list is the least recently used.
*/
final ArrayList mLruProcesses = new ArrayList();
/**
* Where in mLruProcesses that the processes hosting activities start.
*/
int mLruProcessActivityStart = 0;
/**
* Where in mLruProcesses that the processes hosting services start.
* This is after (lower index) than mLruProcessesActivityStart.
*/
int mLruProcessServiceStart = 0;
/**
* List of processes that should gc as soon as things are idle.
*/
final ArrayList mProcessesToGc = new ArrayList();
/**
* Processes we want to collect PSS data from.
*/
final ArrayList mPendingPssProcesses = new ArrayList();
/**
* Last time we requested PSS data of all processes.
*/
long mLastFullPssTime = SystemClock.uptimeMillis();
/**
* If set, the next time we collect PSS data we should do a full collection
* with data from native processes and the kernel.
*/
boolean mFullPssPending = false;
/**
* This is the process holding what we currently consider to be
* the "home" activity.
*/
ProcessRecord mHomeProcess;
/**
* This is the process holding the activity the user last visited that
* is in a different process from the one they are currently in.
*/
ProcessRecord mPreviousProcess;
/**
* The time at which the previous process was last visible.
*/
long mPreviousProcessVisibleTime;
/**
* Which uses have been started, so are allowed to run code.
*/
final SparseArray mStartedUsers = new SparseArray();
/**
* LRU list of history of current users. Most recently current is at the end.
*/
final ArrayList mUserLru = new ArrayList();
/**
* Constant array of the users that are currently started.
*/
int[] mStartedUserArray = new int[] { 0 };
/**
* Registered observers of the user switching mechanics.
*/
final RemoteCallbackList mUserSwitchObservers
= new RemoteCallbackList();
/**
* Currently active user switch.
*/
Object mCurUserSwitchCallback;
/**
* Packages that the user has asked to have run in screen size
* compatibility mode instead of filling the screen.
*/
final CompatModePackages mCompatModePackages;
/**
* Set of IntentSenderRecord objects that are currently active.
*/
final HashMap> mIntentSenderRecords
= new HashMap>();
/**
* Fingerprints (hashCode()) of stack traces that we've
* already logged DropBox entries for. Guarded by itself. If
* something (rogue user app) forces this over
* MAX_DUP_SUPPRESSED_STACKS entries, the contents are cleared.
*/
private final HashSet mAlreadyLoggedViolatedStacks = new HashSet();
private static final int MAX_DUP_SUPPRESSED_STACKS = 5000;
/**
* Strict Mode background batched logging state.
*
* The string buffer is guarded by itself, and its lock is also
* used to determine if another batched write is already
* in-flight.
*/
private final StringBuilder mStrictModeBuffer = new StringBuilder();
/**
* Keeps track of all IIntentReceivers that have been registered for
* broadcasts. Hash keys are the receiver IBinder, hash value is
* a ReceiverList.
*/
final HashMap mRegisteredReceivers =
new HashMap();
/**
* Resolver for broadcast intents to registered receivers.
* Holds BroadcastFilter (subclass of IntentFilter).
*/
final IntentResolver mReceiverResolver
= new IntentResolver() {
@Override
protected boolean allowFilterResult(
BroadcastFilter filter, List dest) {
IBinder target = filter.receiverList.receiver.asBinder();
for (int i=dest.size()-1; i>=0; i--) {
if (dest.get(i).receiverList.receiver.asBinder() == target) {
return false;
}
}
return true;
}
@Override
protected BroadcastFilter newResult(BroadcastFilter filter, int match, int userId) {
if (userId == UserHandle.USER_ALL || filter.owningUserId == UserHandle.USER_ALL
|| userId == filter.owningUserId) {
return super.newResult(filter, match, userId);
}
return null;
}
@Override
protected BroadcastFilter[] newArray(int size) {
return new BroadcastFilter[size];
}
@Override
protected boolean isPackageForFilter(String packageName, BroadcastFilter filter) {
return packageName.equals(filter.packageName);
}
};
/**
* State of all active sticky broadcasts per user. Keys are the action of the
* sticky Intent, values are an ArrayList of all broadcasted intents with
* that action (which should usually be one). The SparseArray is keyed
* by the user ID the sticky is for, and can include UserHandle.USER_ALL
* for stickies that are sent to all users.
*/
final SparseArray>> mStickyBroadcasts =
new SparseArray>>();
final ActiveServices mServices;
final static class Association {
final int mSourceUid;
final String mSourceProcess;
final int mTargetUid;
final ComponentName mTargetComponent;
final String mTargetProcess;
int mCount;
long mTime;
int mNesting;
long mStartTime;
Association(int sourceUid, String sourceProcess, int targetUid,
ComponentName targetComponent, String targetProcess) {
mSourceUid = sourceUid;
mSourceProcess = sourceProcess;
mTargetUid = targetUid;
mTargetComponent = targetComponent;
mTargetProcess = targetProcess;
}
}
/**
* When service association tracking is enabled, this is all of the associations we
* have seen. Mapping is target uid -> target component -> source uid -> source process name
* -> association data.
*/
final SparseArray>>>
mAssociations = new SparseArray<>();
boolean mTrackingAssociations;
/**
* Backup/restore process management
*/
String mBackupAppName = null;
BackupRecord mBackupTarget = null;
final ProviderMap mProviderMap;
/**
* List of content providers who have clients waiting for them. The
* application is currently being launched and the provider will be
* removed from this list once it is published.
*/
final ArrayList mLaunchingProviders
= new ArrayList();
/**
* File storing persisted {@link #mGrantedUriPermissions}.
*/
private final AtomicFile mGrantFile;
/** XML constants used in {@link #mGrantFile} */
private static final String TAG_URI_GRANTS = "uri-grants";
private static final String TAG_URI_GRANT = "uri-grant";
private static final String ATTR_USER_HANDLE = "userHandle";
private static final String ATTR_SOURCE_USER_ID = "sourceUserId";
private static final String ATTR_TARGET_USER_ID = "targetUserId";
private static final String ATTR_SOURCE_PKG = "sourcePkg";
private static final String ATTR_TARGET_PKG = "targetPkg";
private static final String ATTR_URI = "uri";
private static final String ATTR_MODE_FLAGS = "modeFlags";
private static final String ATTR_CREATED_TIME = "createdTime";
private static final String ATTR_PREFIX = "prefix";
/**
* Global set of specific {@link Uri} permissions that have been granted.
* This optimized lookup structure maps from {@link UriPermission#targetUid}
* to {@link UriPermission#uri} to {@link UriPermission}.
*/
@GuardedBy("this")
private final SparseArray>
mGrantedUriPermissions = new SparseArray>();
public static class GrantUri {
public final int sourceUserId;
public final Uri uri;
public boolean prefix;
public GrantUri(int sourceUserId, Uri uri, boolean prefix) {
this.sourceUserId = sourceUserId;
this.uri = uri;
this.prefix = prefix;
}
@Override
public int hashCode() {
int hashCode = 1;
hashCode = 31 * hashCode + sourceUserId;
hashCode = 31 * hashCode + uri.hashCode();
hashCode = 31 * hashCode + (prefix ? 1231 : 1237);
return hashCode;
}
@Override
public boolean equals(Object o) {
if (o instanceof GrantUri) {
GrantUri other = (GrantUri) o;
return uri.equals(other.uri) && (sourceUserId == other.sourceUserId)
&& prefix == other.prefix;
}
return false;
}
@Override
public String toString() {
String result = Integer.toString(sourceUserId) + " @ " + uri.toString();
if (prefix) result += " [prefix]";
return result;
}
public String toSafeString() {
String result = Integer.toString(sourceUserId) + " @ " + uri.toSafeString();
if (prefix) result += " [prefix]";
return result;
}
public static GrantUri resolve(int defaultSourceUserHandle, Uri uri) {
return new GrantUri(ContentProvider.getUserIdFromUri(uri, defaultSourceUserHandle),
ContentProvider.getUriWithoutUserId(uri), false);
}
}
CoreSettingsObserver mCoreSettingsObserver;
/**
* Thread-local storage used to carry caller permissions over through
* indirect content-provider access.
*/
private class Identity {
public final IBinder token;
public final int pid;
public final int uid;
Identity(IBinder _token, int _pid, int _uid) {
token = _token;
pid = _pid;
uid = _uid;
}
}
private static final ThreadLocal sCallerIdentity = new ThreadLocal();
/**
* All information we have collected about the runtime performance of
* any user id that can impact battery performance.
*/
final BatteryStatsService mBatteryStatsService;
/**
* Information about component usage
*/
UsageStatsManagerInternal mUsageStatsService;
/**
* Information about and control over application operations
*/
final AppOpsService mAppOpsService;
/**
* Save recent tasks information across reboots.
*/
final TaskPersister mTaskPersister;
/**
* Current configuration information. HistoryRecord objects are given
* a reference to this object to indicate which configuration they are
* currently running in, so this object must be kept immutable.
*/
Configuration mConfiguration = new Configuration();
/**
* Current sequencing integer of the configuration, for skipping old
* configurations.
*/
int mConfigurationSeq = 0;
/**
* Hardware-reported OpenGLES version.
*/
final int GL_ES_VERSION;
/**
* List of initialization arguments to pass to all processes when binding applications to them.
* For example, references to the commonly used services.
*/
HashMap mAppBindArgs;
/**
* Temporary to avoid allocations. Protected by main lock.
*/
final StringBuilder mStringBuilder = new StringBuilder(256);
/**
* Used to control how we initialize the service.
*/
ComponentName mTopComponent;
String mTopAction = Intent.ACTION_MAIN;
String mTopData;
boolean mProcessesReady = false;
boolean mSystemReady = false;
boolean mBooting = false;
boolean mCallFinishBooting = false;
boolean mBootAnimationComplete = false;
boolean mWaitingUpdate = false;
boolean mDidUpdate = false;
boolean mOnBattery = false;
boolean mLaunchWarningShown = false;
Context mContext;
int mFactoryTest;
boolean mCheckedForSetup;
/**
* The time at which we will allow normal application switches again,
* after a call to {@link #stopAppSwitches()}.
*/
long mAppSwitchesAllowedTime;
/**
* This is set to true after the first switch after mAppSwitchesAllowedTime
* is set; any switches after that will clear the time.
*/
boolean mDidAppSwitch;
/**
* Last time (in realtime) at which we checked for power usage.
*/
long mLastPowerCheckRealtime;
/**
* Last time (in uptime) at which we checked for power usage.
*/
long mLastPowerCheckUptime;
/**
* Set while we are wanting to sleep, to prevent any
* activities from being started/resumed.
*/
private boolean mSleeping = false;
/**
* Set while we are running a voice interaction. This overrides
* sleeping while it is active.
*/
private boolean mRunningVoice = false;
/**
* State of external calls telling us if the device is awake or asleep.
*/
private int mWakefulness = PowerManagerInternal.WAKEFULNESS_AWAKE;
static final int LOCK_SCREEN_HIDDEN = 0;
static final int LOCK_SCREEN_LEAVING = 1;
static final int LOCK_SCREEN_SHOWN = 2;
/**
* State of external call telling us if the lock screen is shown.
*/
int mLockScreenShown = LOCK_SCREEN_HIDDEN;
/**
* Set if we are shutting down the system, similar to sleeping.
*/
boolean mShuttingDown = false;
/**
* Current sequence id for oom_adj computation traversal.
*/
int mAdjSeq = 0;
/**
* Current sequence id for process LRU updating.
*/
int mLruSeq = 0;
/**
* Keep track of the non-cached/empty process we last found, to help
* determine how to distribute cached/empty processes next time.
*/
int mNumNonCachedProcs = 0;
/**
* Keep track of the number of cached hidden procs, to balance oom adj
* distribution between those and empty procs.
*/
int mNumCachedHiddenProcs = 0;
/**
* Keep track of the number of service processes we last found, to
* determine on the next iteration which should be B services.
*/
int mNumServiceProcs = 0;
int mNewNumAServiceProcs = 0;
int mNewNumServiceProcs = 0;
/**
* Allow the current computed overall memory level of the system to go down?
* This is set to false when we are killing processes for reasons other than
* memory management, so that the now smaller process list will not be taken as
* an indication that memory is tighter.
*/
boolean mAllowLowerMemLevel = false;
/**
* The last computed memory level, for holding when we are in a state that
* processes are going away for other reasons.
*/
int mLastMemoryLevel = ProcessStats.ADJ_MEM_FACTOR_NORMAL;
/**
* The last total number of process we have, to determine if changes actually look
* like a shrinking number of process due to lower RAM.
*/
int mLastNumProcesses;
/**
* The uptime of the last time we performed idle maintenance.
*/
long mLastIdleTime = SystemClock.uptimeMillis();
/**
* Total time spent with RAM that has been added in the past since the last idle time.
*/
long mLowRamTimeSinceLastIdle = 0;
/**
* If RAM is currently low, when that horrible situation started.
*/
long mLowRamStartTime = 0;
/**
* For reporting to battery stats the current top application.
*/
private String mCurResumedPackage = null;
private int mCurResumedUid = -1;
/**
* For reporting to battery stats the apps currently running foreground
* service. The ProcessMap is package/uid tuples; each of these contain
* an array of the currently foreground processes.
*/
final ProcessMap> mForegroundPackages
= new ProcessMap>();
/**
* This is set if we had to do a delayed dexopt of an app before launching
* it, to increase the ANR timeouts in that case.
*/
boolean mDidDexOpt;
/**
* Set if the systemServer made a call to enterSafeMode.
*/
boolean mSafeMode;
/**
* If true, we are running under a test environment so will sample PSS from processes
* much more rapidly to try to collect better data when the tests are rapidly
* running through apps.
*/
boolean mTestPssMode = false;
String mDebugApp = null;
boolean mWaitForDebugger = false;
boolean mDebugTransient = false;
String mOrigDebugApp = null;
boolean mOrigWaitForDebugger = false;
boolean mAlwaysFinishActivities = false;
IActivityController mController = null;
String mProfileApp = null;
ProcessRecord mProfileProc = null;
String mProfileFile;
ParcelFileDescriptor mProfileFd;
int mSamplingInterval = 0;
boolean mAutoStopProfiler = false;
int mProfileType = 0;
String mOpenGlTraceApp = null;
final long[] mTmpLong = new long[1];
static class ProcessChangeItem {
static final int CHANGE_ACTIVITIES = 1<<0;
static final int CHANGE_PROCESS_STATE = 1<<1;
int changes;
int uid;
int pid;
int processState;
boolean foregroundActivities;
}
final RemoteCallbackList mProcessObservers
= new RemoteCallbackList();
ProcessChangeItem[] mActiveProcessChanges = new ProcessChangeItem[5];
final ArrayList mPendingProcessChanges
= new ArrayList();
final ArrayList mAvailProcessChanges
= new ArrayList();
/**
* Runtime CPU use collection thread. This object's lock is used to
* perform synchronization with the thread (notifying it to run).
*/
final Thread mProcessCpuThread;
/**
* Used to collect per-process CPU use for ANRs, battery stats, etc.
* Must acquire this object's lock when accessing it.
* NOTE: this lock will be held while doing long operations (trawling
* through all processes in /proc), so it should never be acquired by
* any critical paths such as when holding the main activity manager lock.
*/
final ProcessCpuTracker mProcessCpuTracker = new ProcessCpuTracker(
MONITOR_THREAD_CPU_USAGE);
final AtomicLong mLastCpuTime = new AtomicLong(0);
final AtomicBoolean mProcessCpuMutexFree = new AtomicBoolean(true);
long mLastWriteTime = 0;
/**
* Used to retain an update lock when the foreground activity is in
* immersive mode.
*/
final UpdateLock mUpdateLock = new UpdateLock("immersive");
/**
* Set to true after the system has finished booting.
*/
boolean mBooted = false;
int mProcessLimit = ProcessList.MAX_CACHED_APPS;
int mProcessLimitOverride = -1;
WindowManagerService mWindowManager;
final ActivityThread mSystemThread;
// Holds the current foreground user's id
int mCurrentUserId = 0;
// Holds the target user's id during a user switch
int mTargetUserId = UserHandle.USER_NULL;
// If there are multiple profiles for the current user, their ids are here
// Currently only the primary user can have managed profiles
int[] mCurrentProfileIds = new int[] {UserHandle.USER_OWNER}; // Accessed by ActivityStack
/**
* Mapping from each known user ID to the profile group ID it is associated with.
*/
SparseIntArray mUserProfileGroupIdsSelfLocked = new SparseIntArray();
private UserManagerService mUserManager;
private final class AppDeathRecipient implements IBinder.DeathRecipient {
final ProcessRecord mApp;
final int mPid;
final IApplicationThread mAppThread;
AppDeathRecipient(ProcessRecord app, int pid,
IApplicationThread thread) {
if (localLOGV) Slog.v(
TAG, "New death recipient " + this
+ " for thread " + thread.asBinder());
mApp = app;
mPid = pid;
mAppThread = thread;
}
@Override
public void binderDied() {
if (localLOGV) Slog.v(
TAG, "Death received in " + this
+ " for thread " + mAppThread.asBinder());
synchronized(ActivityManagerService.this) {
appDiedLocked(mApp, mPid, mAppThread);
}
}
}
static final int SHOW_ERROR_MSG = 1;
static final int SHOW_NOT_RESPONDING_MSG = 2;
static final int SHOW_FACTORY_ERROR_MSG = 3;
static final int UPDATE_CONFIGURATION_MSG = 4;
static final int GC_BACKGROUND_PROCESSES_MSG = 5;
static final int WAIT_FOR_DEBUGGER_MSG = 6;
static final int SERVICE_TIMEOUT_MSG = 12;
static final int UPDATE_TIME_ZONE = 13;
static final int SHOW_UID_ERROR_MSG = 14;
static final int SHOW_FINGERPRINT_ERROR_MSG = 15;
static final int PROC_START_TIMEOUT_MSG = 20;
static final int DO_PENDING_ACTIVITY_LAUNCHES_MSG = 21;
static final int KILL_APPLICATION_MSG = 22;
static final int FINALIZE_PENDING_INTENT_MSG = 23;
static final int POST_HEAVY_NOTIFICATION_MSG = 24;
static final int CANCEL_HEAVY_NOTIFICATION_MSG = 25;
static final int SHOW_STRICT_MODE_VIOLATION_MSG = 26;
static final int CHECK_EXCESSIVE_WAKE_LOCKS_MSG = 27;
static final int CLEAR_DNS_CACHE_MSG = 28;
static final int UPDATE_HTTP_PROXY_MSG = 29;
static final int SHOW_COMPAT_MODE_DIALOG_MSG = 30;
static final int DISPATCH_PROCESSES_CHANGED = 31;
static final int DISPATCH_PROCESS_DIED = 32;
static final int REPORT_MEM_USAGE_MSG = 33;
static final int REPORT_USER_SWITCH_MSG = 34;
static final int CONTINUE_USER_SWITCH_MSG = 35;
static final int USER_SWITCH_TIMEOUT_MSG = 36;
static final int IMMERSIVE_MODE_LOCK_MSG = 37;
static final int PERSIST_URI_GRANTS_MSG = 38;
static final int REQUEST_ALL_PSS_MSG = 39;
static final int START_PROFILES_MSG = 40;
static final int UPDATE_TIME = 41;
static final int SYSTEM_USER_START_MSG = 42;
static final int SYSTEM_USER_CURRENT_MSG = 43;
static final int ENTER_ANIMATION_COMPLETE_MSG = 44;
static final int FINISH_BOOTING_MSG = 45;
static final int START_USER_SWITCH_MSG = 46;
static final int SEND_LOCALE_TO_MOUNT_DAEMON_MSG = 47;
static final int DISMISS_DIALOG_MSG = 48;
static final int NOTIFY_TASK_STACK_CHANGE_LISTENERS_MSG = 49;
static final int FIRST_ACTIVITY_STACK_MSG = 100;
static final int FIRST_BROADCAST_QUEUE_MSG = 200;
static final int FIRST_COMPAT_MODE_MSG = 300;
static final int FIRST_SUPERVISOR_STACK_MSG = 100;
CompatModeDialog mCompatModeDialog;
long mLastMemUsageReportTime = 0;
/**
* Flag whether the current user is a "monkey", i.e. whether
* the UI is driven by a UI automation tool.
*/
private boolean mUserIsMonkey;
/** Flag whether the device has a Recents UI */
boolean mHasRecents;
/** The dimensions of the thumbnails in the Recents UI. */
int mThumbnailWidth;
int mThumbnailHeight;
final ServiceThread mHandlerThread;
final MainHandler mHandler;
final class MainHandler extends Handler {
public MainHandler(Looper looper) {
super(looper, null, true);
}
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case SHOW_ERROR_MSG: {
HashMap data = (HashMap) msg.obj;
boolean showBackground = Settings.Secure.getInt(mContext.getContentResolver(),
Settings.Secure.ANR_SHOW_BACKGROUND, 0) != 0;
synchronized (ActivityManagerService.this) {
ProcessRecord proc = (ProcessRecord)data.get("app");
AppErrorResult res = (AppErrorResult) data.get("result");
if (proc != null && proc.crashDialog != null) {
Slog.e(TAG, "App already has crash dialog: " + proc);
if (res != null) {
res.set(0);
}
return;
}
boolean isBackground = (UserHandle.getAppId(proc.uid)
>= Process.FIRST_APPLICATION_UID
&& proc.pid != MY_PID);
for (int userId : mCurrentProfileIds) {
isBackground &= (proc.userId != userId);
}
if (isBackground && !showBackground) {
Slog.w(TAG, "Skipping crash dialog of " + proc + ": background");
if (res != null) {
res.set(0);
}
return;
}
if (mShowDialogs && !mSleeping && !mShuttingDown) {
Dialog d = new AppErrorDialog(mContext,
ActivityManagerService.this, res, proc);
d.show();
proc.crashDialog = d;
} else {
// The device is asleep, so just pretend that the user
// saw a crash dialog and hit "force quit".
if (res != null) {
res.set(0);
}
}
}
ensureBootCompleted();
} break;
case SHOW_NOT_RESPONDING_MSG: {
synchronized (ActivityManagerService.this) {
HashMap data = (HashMap) msg.obj;
ProcessRecord proc = (ProcessRecord)data.get("app");
if (proc != null && proc.anrDialog != null) {
Slog.e(TAG, "App already has anr dialog: " + proc);
return;
}
Intent intent = new Intent("android.intent.action.ANR");
if (!mProcessesReady) {
intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY
| Intent.FLAG_RECEIVER_FOREGROUND);
}
broadcastIntentLocked(null, null, intent,
null, null, 0, null, null, null, AppOpsManager.OP_NONE,
false, false, MY_PID, Process.SYSTEM_UID, 0 /* TODO: Verify */);
if (mShowDialogs) {
Dialog d = new AppNotRespondingDialog(ActivityManagerService.this,
mContext, proc, (ActivityRecord)data.get("activity"),
msg.arg1 != 0);
d.show();
proc.anrDialog = d;
} else {
// Just kill the app if there is no dialog to be shown.
killAppAtUsersRequest(proc, null);
}
}
ensureBootCompleted();
} break;
case SHOW_STRICT_MODE_VIOLATION_MSG: {
HashMap data = (HashMap) msg.obj;
synchronized (ActivityManagerService.this) {
ProcessRecord proc = (ProcessRecord) data.get("app");
if (proc == null) {
Slog.e(TAG, "App not found when showing strict mode dialog.");
break;
}
if (proc.crashDialog != null) {
Slog.e(TAG, "App already has strict mode dialog: " + proc);
return;
}
AppErrorResult res = (AppErrorResult) data.get("result");
if (mShowDialogs && !mSleeping && !mShuttingDown) {
Dialog d = new StrictModeViolationDialog(mContext,
ActivityManagerService.this, res, proc);
d.show();
proc.crashDialog = d;
} else {
// The device is asleep, so just pretend that the user
// saw a crash dialog and hit "force quit".
res.set(0);
}
}
ensureBootCompleted();
} break;
case SHOW_FACTORY_ERROR_MSG: {
Dialog d = new FactoryErrorDialog(
mContext, msg.getData().getCharSequence("msg"));
d.show();
ensureBootCompleted();
} break;
case UPDATE_CONFIGURATION_MSG: {
final ContentResolver resolver = mContext.getContentResolver();
Settings.System.putConfiguration(resolver, (Configuration)msg.obj);
} break;
case GC_BACKGROUND_PROCESSES_MSG: {
synchronized (ActivityManagerService.this) {
performAppGcsIfAppropriateLocked();
}
} break;
case WAIT_FOR_DEBUGGER_MSG: {
synchronized (ActivityManagerService.this) {
ProcessRecord app = (ProcessRecord)msg.obj;
if (msg.arg1 != 0) {
if (!app.waitedForDebugger) {
Dialog d = new AppWaitingForDebuggerDialog(
ActivityManagerService.this,
mContext, app);
app.waitDialog = d;
app.waitedForDebugger = true;
d.show();
}
} else {
if (app.waitDialog != null) {
app.waitDialog.dismiss();
app.waitDialog = null;
}
}
}
} break;
case SERVICE_TIMEOUT_MSG: {
if (mDidDexOpt) {
mDidDexOpt = false;
Message nmsg = mHandler.obtainMessage(SERVICE_TIMEOUT_MSG);
nmsg.obj = msg.obj;
mHandler.sendMessageDelayed(nmsg, ActiveServices.SERVICE_TIMEOUT);
return;
}
mServices.serviceTimeout((ProcessRecord)msg.obj);
} break;
case UPDATE_TIME_ZONE: {
synchronized (ActivityManagerService.this) {
for (int i = mLruProcesses.size() - 1 ; i >= 0 ; i--) {
ProcessRecord r = mLruProcesses.get(i);
if (r.thread != null) {
try {
r.thread.updateTimeZone();
} catch (RemoteException ex) {
Slog.w(TAG, "Failed to update time zone for: " + r.info.processName);
}
}
}
}
} break;
case CLEAR_DNS_CACHE_MSG: {
synchronized (ActivityManagerService.this) {
for (int i = mLruProcesses.size() - 1 ; i >= 0 ; i--) {
ProcessRecord r = mLruProcesses.get(i);
if (r.thread != null) {
try {
r.thread.clearDnsCache();
} catch (RemoteException ex) {
Slog.w(TAG, "Failed to clear dns cache for: " + r.info.processName);
}
}
}
}
} break;
case UPDATE_HTTP_PROXY_MSG: {
ProxyInfo proxy = (ProxyInfo)msg.obj;
String host = "";
String port = "";
String exclList = "";
Uri pacFileUrl = Uri.EMPTY;
if (proxy != null) {
host = proxy.getHost();
port = Integer.toString(proxy.getPort());
exclList = proxy.getExclusionListAsString();
pacFileUrl = proxy.getPacFileUrl();
}
synchronized (ActivityManagerService.this) {
for (int i = mLruProcesses.size() - 1 ; i >= 0 ; i--) {
ProcessRecord r = mLruProcesses.get(i);
if (r.thread != null) {
try {
r.thread.setHttpProxy(host, port, exclList, pacFileUrl);
} catch (RemoteException ex) {
Slog.w(TAG, "Failed to update http proxy for: " +
r.info.processName);
}
}
}
}
} break;
case SHOW_UID_ERROR_MSG: {
if (mShowDialogs) {
AlertDialog d = new BaseErrorDialog(mContext);
d.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ERROR);
d.setCancelable(false);
d.setTitle(mContext.getText(R.string.android_system_label));
d.setMessage(mContext.getText(R.string.system_error_wipe_data));
d.setButton(DialogInterface.BUTTON_POSITIVE, mContext.getText(R.string.ok),
mHandler.obtainMessage(DISMISS_DIALOG_MSG, d));
d.show();
}
} break;
case SHOW_FINGERPRINT_ERROR_MSG: {
if (mShowDialogs) {
AlertDialog d = new BaseErrorDialog(mContext);
d.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ERROR);
d.setCancelable(false);
d.setTitle(mContext.getText(R.string.android_system_label));
d.setMessage(mContext.getText(R.string.system_error_manufacturer));
d.setButton(DialogInterface.BUTTON_POSITIVE, mContext.getText(R.string.ok),
mHandler.obtainMessage(DISMISS_DIALOG_MSG, d));
d.show();
}
} break;
case PROC_START_TIMEOUT_MSG: {
if (mDidDexOpt) {
mDidDexOpt = false;
Message nmsg = mHandler.obtainMessage(PROC_START_TIMEOUT_MSG);
nmsg.obj = msg.obj;
mHandler.sendMessageDelayed(nmsg, PROC_START_TIMEOUT);
return;
}
ProcessRecord app = (ProcessRecord)msg.obj;
synchronized (ActivityManagerService.this) {
processStartTimedOutLocked(app);
}
} break;
case DO_PENDING_ACTIVITY_LAUNCHES_MSG: {
synchronized (ActivityManagerService.this) {
mStackSupervisor.doPendingActivityLaunchesLocked(true);
}
} break;
case KILL_APPLICATION_MSG: {
synchronized (ActivityManagerService.this) {
int appid = msg.arg1;
boolean restart = (msg.arg2 == 1);
Bundle bundle = (Bundle)msg.obj;
String pkg = bundle.getString("pkg");
String reason = bundle.getString("reason");
forceStopPackageLocked(pkg, appid, restart, false, true, false,
false, UserHandle.USER_ALL, reason);
}
} break;
case FINALIZE_PENDING_INTENT_MSG: {
((PendingIntentRecord)msg.obj).completeFinalize();
} break;
case POST_HEAVY_NOTIFICATION_MSG: {
INotificationManager inm = NotificationManager.getService();
if (inm == null) {
return;
}
ActivityRecord root = (ActivityRecord)msg.obj;
ProcessRecord process = root.app;
if (process == null) {
return;
}
try {
Context context = mContext.createPackageContext(process.info.packageName, 0);
String text = mContext.getString(R.string.heavy_weight_notification,
context.getApplicationInfo().loadLabel(context.getPackageManager()));
Notification notification = new Notification();
notification.icon = com.android.internal.R.drawable.stat_sys_adb; //context.getApplicationInfo().icon;
notification.when = 0;
notification.flags = Notification.FLAG_ONGOING_EVENT;
notification.tickerText = text;
notification.defaults = 0; // please be quiet
notification.sound = null;
notification.vibrate = null;
notification.color = mContext.getResources().getColor(
com.android.internal.R.color.system_notification_accent_color);
notification.setLatestEventInfo(context, text,
mContext.getText(R.string.heavy_weight_notification_detail),
PendingIntent.getActivityAsUser(mContext, 0, root.intent,
PendingIntent.FLAG_CANCEL_CURRENT, null,
new UserHandle(root.userId)));
try {
int[] outId = new int[1];
inm.enqueueNotificationWithTag("android", "android", null,
R.string.heavy_weight_notification,
notification, outId, root.userId);
} catch (RuntimeException e) {
Slog.w(ActivityManagerService.TAG,
"Error showing notification for heavy-weight app", e);
} catch (RemoteException e) {
}
} catch (NameNotFoundException e) {
Slog.w(TAG, "Unable to create context for heavy notification", e);
}
} break;
case CANCEL_HEAVY_NOTIFICATION_MSG: {
INotificationManager inm = NotificationManager.getService();
if (inm == null) {
return;
}
try {
inm.cancelNotificationWithTag("android", null,
R.string.heavy_weight_notification, msg.arg1);
} catch (RuntimeException e) {
Slog.w(ActivityManagerService.TAG,
"Error canceling notification for service", e);
} catch (RemoteException e) {
}
} break;
case CHECK_EXCESSIVE_WAKE_LOCKS_MSG: {
synchronized (ActivityManagerService.this) {
checkExcessivePowerUsageLocked(true);
removeMessages(CHECK_EXCESSIVE_WAKE_LOCKS_MSG);
Message nmsg = obtainMessage(CHECK_EXCESSIVE_WAKE_LOCKS_MSG);
sendMessageDelayed(nmsg, POWER_CHECK_DELAY);
}
} break;
case SHOW_COMPAT_MODE_DIALOG_MSG: {
synchronized (ActivityManagerService.this) {
ActivityRecord ar = (ActivityRecord)msg.obj;
if (mCompatModeDialog != null) {
if (mCompatModeDialog.mAppInfo.packageName.equals(
ar.info.applicationInfo.packageName)) {
return;
}
mCompatModeDialog.dismiss();
mCompatModeDialog = null;
}
if (ar != null && false) {
if (mCompatModePackages.getPackageAskCompatModeLocked(
ar.packageName)) {
int mode = mCompatModePackages.computeCompatModeLocked(
ar.info.applicationInfo);
if (mode == ActivityManager.COMPAT_MODE_DISABLED
|| mode == ActivityManager.COMPAT_MODE_ENABLED) {
mCompatModeDialog = new CompatModeDialog(
ActivityManagerService.this, mContext,
ar.info.applicationInfo);
mCompatModeDialog.show();
}
}
}
}
break;
}
case DISPATCH_PROCESSES_CHANGED: {
dispatchProcessesChanged();
break;
}
case DISPATCH_PROCESS_DIED: {
final int pid = msg.arg1;
final int uid = msg.arg2;
dispatchProcessDied(pid, uid);
break;
}
case REPORT_MEM_USAGE_MSG: {
final ArrayList memInfos = (ArrayList)msg.obj;
Thread thread = new Thread() {
@Override public void run() {
reportMemUsage(memInfos);
}
};
thread.start();
break;
}
case START_USER_SWITCH_MSG: {
showUserSwitchDialog(msg.arg1, (String) msg.obj);
break;
}
case REPORT_USER_SWITCH_MSG: {
dispatchUserSwitch((UserStartedState) msg.obj, msg.arg1, msg.arg2);
break;
}
case CONTINUE_USER_SWITCH_MSG: {
continueUserSwitch((UserStartedState) msg.obj, msg.arg1, msg.arg2);
break;
}
case USER_SWITCH_TIMEOUT_MSG: {
timeoutUserSwitch((UserStartedState) msg.obj, msg.arg1, msg.arg2);
break;
}
case IMMERSIVE_MODE_LOCK_MSG: {
final boolean nextState = (msg.arg1 != 0);
if (mUpdateLock.isHeld() != nextState) {
if (DEBUG_IMMERSIVE) {
final ActivityRecord r = (ActivityRecord) msg.obj;
Slog.d(TAG, "Applying new update lock state '" + nextState + "' for " + r);
}
if (nextState) {
mUpdateLock.acquire();
} else {
mUpdateLock.release();
}
}
break;
}
case PERSIST_URI_GRANTS_MSG: {
writeGrantedUriPermissions();
break;
}
case REQUEST_ALL_PSS_MSG: {
synchronized (ActivityManagerService.this) {
requestPssAllProcsLocked(SystemClock.uptimeMillis(), true, false);
}
break;
}
case START_PROFILES_MSG: {
synchronized (ActivityManagerService.this) {
startProfilesLocked();
}
break;
}
case UPDATE_TIME: {
synchronized (ActivityManagerService.this) {
for (int i = mLruProcesses.size() - 1 ; i >= 0 ; i--) {
ProcessRecord r = mLruProcesses.get(i);
if (r.thread != null) {
try {
r.thread.updateTimePrefs(msg.arg1 == 0 ? false : true);
} catch (RemoteException ex) {
Slog.w(TAG, "Failed to update preferences for: " + r.info.processName);
}
}
}
}
break;
}
case SYSTEM_USER_START_MSG: {
mBatteryStatsService.noteEvent(BatteryStats.HistoryItem.EVENT_USER_RUNNING_START,
Integer.toString(msg.arg1), msg.arg1);
mSystemServiceManager.startUser(msg.arg1);
break;
}
case SYSTEM_USER_CURRENT_MSG: {
mBatteryStatsService.noteEvent(
BatteryStats.HistoryItem.EVENT_USER_FOREGROUND_FINISH,
Integer.toString(msg.arg2), msg.arg2);
mBatteryStatsService.noteEvent(
BatteryStats.HistoryItem.EVENT_USER_FOREGROUND_START,
Integer.toString(msg.arg1), msg.arg1);
mSystemServiceManager.switchUser(msg.arg1);
break;
}
case ENTER_ANIMATION_COMPLETE_MSG: {
synchronized (ActivityManagerService.this) {
ActivityRecord r = ActivityRecord.forToken((IBinder) msg.obj);
if (r != null && r.app != null && r.app.thread != null) {
try {
r.app.thread.scheduleEnterAnimationComplete(r.appToken);
} catch (RemoteException e) {
}
}
}
break;
}
case FINISH_BOOTING_MSG: {
if (msg.arg1 != 0) {
finishBooting();
}
if (msg.arg2 != 0) {
enableScreenAfterBoot();
}
break;
}
case SEND_LOCALE_TO_MOUNT_DAEMON_MSG: {
try {
Locale l = (Locale) msg.obj;
IBinder service = ServiceManager.getService("mount");
IMountService mountService = IMountService.Stub.asInterface(service);
Log.d(TAG, "Storing locale " + l.toLanguageTag() + " for decryption UI");
mountService.setField(StorageManager.SYSTEM_LOCALE_KEY, l.toLanguageTag());
} catch (RemoteException e) {
Log.e(TAG, "Error storing locale for decryption UI", e);
}
break;
}
case DISMISS_DIALOG_MSG: {
final Dialog d = (Dialog) msg.obj;
d.dismiss();
break;
}
case NOTIFY_TASK_STACK_CHANGE_LISTENERS_MSG: {
synchronized (ActivityManagerService.this) {
int i = mTaskStackListeners.beginBroadcast();
while (i > 0) {
i--;
try {
// Make a one-way callback to the listener
mTaskStackListeners.getBroadcastItem(i).onTaskStackChanged();
} catch (RemoteException e){
// Handled by the RemoteCallbackList
}
}
mTaskStackListeners.finishBroadcast();
}
break;
}
}
}
};
static final int COLLECT_PSS_BG_MSG = 1;
final Handler mBgHandler = new Handler(BackgroundThread.getHandler().getLooper()) {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case COLLECT_PSS_BG_MSG: {
long start = SystemClock.uptimeMillis();
MemInfoReader memInfo = null;
synchronized (ActivityManagerService.this) {
if (mFullPssPending) {
mFullPssPending = false;
memInfo = new MemInfoReader();
}
}
if (memInfo != null) {
updateCpuStatsNow();
long nativeTotalPss = 0;
synchronized (mProcessCpuTracker) {
final int N = mProcessCpuTracker.countStats();
for (int j=0; j= Process.FIRST_APPLICATION_UID) {
// This is definitely an application process; skip it.
continue;
}
synchronized (mPidsSelfLocked) {
if (mPidsSelfLocked.indexOfKey(st.pid) >= 0) {
// This is one of our own processes; skip it.
continue;
}
}
nativeTotalPss += Debug.getPss(st.pid, null, null);
}
}
memInfo.readMemInfo();
synchronized (ActivityManagerService.this) {
if (DEBUG_PSS) Slog.d(TAG, "Collected native and kernel memory in "
+ (SystemClock.uptimeMillis()-start) + "ms");
mProcessStats.addSysMemUsageLocked(memInfo.getCachedSizeKb(),
memInfo.getFreeSizeKb(), memInfo.getZramTotalSizeKb(),
memInfo.getKernelUsedSizeKb(), nativeTotalPss);
}
}
int num = 0;
long[] tmp = new long[1];
do {
ProcessRecord proc;
int procState;
int pid;
long lastPssTime;
synchronized (ActivityManagerService.this) {
if (mPendingPssProcesses.size() <= 0) {
if (mTestPssMode || DEBUG_PSS) Slog.d(TAG, "Collected PSS of " + num
+ " processes in " + (SystemClock.uptimeMillis()-start) + "ms");
mPendingPssProcesses.clear();
return;
}
proc = mPendingPssProcesses.remove(0);
procState = proc.pssProcState;
lastPssTime = proc.lastPssTime;
if (proc.thread != null && procState == proc.setProcState
&& (lastPssTime+ProcessList.PSS_SAFE_TIME_FROM_STATE_CHANGE)
< SystemClock.uptimeMillis()) {
pid = proc.pid;
} else {
proc = null;
pid = 0;
}
}
if (proc != null) {
long pss = Debug.getPss(pid, tmp, null);
synchronized (ActivityManagerService.this) {
if (pss != 0 && proc.thread != null && proc.setProcState == procState
&& proc.pid == pid && proc.lastPssTime == lastPssTime) {
num++;
recordPssSample(proc, procState, pss, tmp[0],
SystemClock.uptimeMillis());
}
}
}
} while (true);
}
}
}
};
public void setSystemProcess() {
try {
ServiceManager.addService(Context.ACTIVITY_SERVICE, this, true);
ServiceManager.addService(ProcessStats.SERVICE_NAME, mProcessStats);
ServiceManager.addService("meminfo", new MemBinder(this));
ServiceManager.addService("gfxinfo", new GraphicsBinder(this));
ServiceManager.addService("dbinfo", new DbBinder(this));
if (MONITOR_CPU_USAGE) {
ServiceManager.addService("cpuinfo", new CpuBinder(this));
}
ServiceManager.addService("permission", new PermissionController(this));
ApplicationInfo info = mContext.getPackageManager().getApplicationInfo(
"android", STOCK_PM_FLAGS);
mSystemThread.installSystemApplicationInfo(info, getClass().getClassLoader());
synchronized (this) {
ProcessRecord app = newProcessRecordLocked(info, info.processName, false, 0);
app.persistent = true;
app.pid = MY_PID;
app.maxAdj = ProcessList.SYSTEM_ADJ;
app.makeActive(mSystemThread.getApplicationThread(), mProcessStats);
mProcessNames.put(app.processName, app.uid, app);
synchronized (mPidsSelfLocked) {
mPidsSelfLocked.put(app.pid, app);
}
updateLruProcessLocked(app, false, null);
updateOomAdjLocked();
}
} catch (PackageManager.NameNotFoundException e) {
throw new RuntimeException(
"Unable to find android system package", e);
}
}
public void setWindowManager(WindowManagerService wm) {
mWindowManager = wm;
mStackSupervisor.setWindowManager(wm);
}
public void setUsageStatsManager(UsageStatsManagerInternal usageStatsManager) {
mUsageStatsService = usageStatsManager;
}
public void startObservingNativeCrashes() {
final NativeCrashListener ncl = new NativeCrashListener(this);
ncl.start();
}
public IAppOpsService getAppOpsService() {
return mAppOpsService;
}
static class MemBinder extends Binder {
ActivityManagerService mActivityManagerService;
MemBinder(ActivityManagerService activityManagerService) {
mActivityManagerService = activityManagerService;
}
@Override
protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
if (mActivityManagerService.checkCallingPermission(android.Manifest.permission.DUMP)
!= PackageManager.PERMISSION_GRANTED) {
pw.println("Permission Denial: can't dump meminfo from from pid="
+ Binder.getCallingPid() + ", uid=" + Binder.getCallingUid()
+ " without permission " + android.Manifest.permission.DUMP);
return;
}
mActivityManagerService.dumpApplicationMemoryUsage(fd, pw, " ", args, false, null);
}
}
static class GraphicsBinder extends Binder {
ActivityManagerService mActivityManagerService;
GraphicsBinder(ActivityManagerService activityManagerService) {
mActivityManagerService = activityManagerService;
}
@Override
protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
if (mActivityManagerService.checkCallingPermission(android.Manifest.permission.DUMP)
!= PackageManager.PERMISSION_GRANTED) {
pw.println("Permission Denial: can't dump gfxinfo from from pid="
+ Binder.getCallingPid() + ", uid=" + Binder.getCallingUid()
+ " without permission " + android.Manifest.permission.DUMP);
return;
}
mActivityManagerService.dumpGraphicsHardwareUsage(fd, pw, args);
}
}
static class DbBinder extends Binder {
ActivityManagerService mActivityManagerService;
DbBinder(ActivityManagerService activityManagerService) {
mActivityManagerService = activityManagerService;
}
@Override
protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
if (mActivityManagerService.checkCallingPermission(android.Manifest.permission.DUMP)
!= PackageManager.PERMISSION_GRANTED) {
pw.println("Permission Denial: can't dump dbinfo from from pid="
+ Binder.getCallingPid() + ", uid=" + Binder.getCallingUid()
+ " without permission " + android.Manifest.permission.DUMP);
return;
}
mActivityManagerService.dumpDbInfo(fd, pw, args);
}
}
static class CpuBinder extends Binder {
ActivityManagerService mActivityManagerService;
CpuBinder(ActivityManagerService activityManagerService) {
mActivityManagerService = activityManagerService;
}
@Override
protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
if (mActivityManagerService.checkCallingPermission(android.Manifest.permission.DUMP)
!= PackageManager.PERMISSION_GRANTED) {
pw.println("Permission Denial: can't dump cpuinfo from from pid="
+ Binder.getCallingPid() + ", uid=" + Binder.getCallingUid()
+ " without permission " + android.Manifest.permission.DUMP);
return;
}
synchronized (mActivityManagerService.mProcessCpuTracker) {
pw.print(mActivityManagerService.mProcessCpuTracker.printCurrentLoad());
pw.print(mActivityManagerService.mProcessCpuTracker.printCurrentState(
SystemClock.uptimeMillis()));
}
}
}
public static final class Lifecycle extends SystemService {
private final ActivityManagerService mService;
public Lifecycle(Context context) {
super(context);
mService = new ActivityManagerService(context);
}
@Override
public void onStart() {
mService.start();
}
public ActivityManagerService getService() {
return mService;
}
}
// Note: This method is invoked on the main thread but may need to attach various
// handlers to other threads. So take care to be explicit about the looper.
public ActivityManagerService(Context systemContext) {
mContext = systemContext;
mFactoryTest = FactoryTest.getMode();
mSystemThread = ActivityThread.currentActivityThread();
Slog.i(TAG, "Memory class: " + ActivityManager.staticGetMemoryClass());
mHandlerThread = new ServiceThread(TAG,
android.os.Process.THREAD_PRIORITY_FOREGROUND, false /*allowIo*/);
mHandlerThread.start();
mHandler = new MainHandler(mHandlerThread.getLooper());
mFgBroadcastQueue = new BroadcastQueue(this, mHandler,
"foreground", BROADCAST_FG_TIMEOUT, false);
mBgBroadcastQueue = new BroadcastQueue(this, mHandler,
"background", BROADCAST_BG_TIMEOUT, true);
mBroadcastQueues[0] = mFgBroadcastQueue;
mBroadcastQueues[1] = mBgBroadcastQueue;
mServices = new ActiveServices(this);
mProviderMap = new ProviderMap(this);
// TODO: Move creation of battery stats service outside of activity manager service.
File dataDir = Environment.getDataDirectory();
File systemDir = new File(dataDir, "system");
systemDir.mkdirs();
mBatteryStatsService = new BatteryStatsService(systemDir, mHandler);
mBatteryStatsService.getActiveStatistics().readLocked();
mBatteryStatsService.getActiveStatistics().writeAsyncLocked();
mOnBattery = DEBUG_POWER ? true
: mBatteryStatsService.getActiveStatistics().getIsOnBattery();
mBatteryStatsService.getActiveStatistics().setCallback(this);
mProcessStats = new ProcessStatsService(this, new File(systemDir, "procstats"));
mAppOpsService = new AppOpsService(new File(systemDir, "appops.xml"), mHandler);
mGrantFile = new AtomicFile(new File(systemDir, "urigrants.xml"));
// User 0 is the first and only user that runs at boot.
mStartedUsers.put(0, new UserStartedState(new UserHandle(0), true));
mUserLru.add(Integer.valueOf(0));
updateStartedUserArrayLocked();
GL_ES_VERSION = SystemProperties.getInt("ro.opengles.version",
ConfigurationInfo.GL_ES_VERSION_UNDEFINED);
mTrackingAssociations = "1".equals(SystemProperties.get("debug.track-associations"));
mConfiguration.setToDefaults();
mConfiguration.locale = Locale.getDefault();
mConfigurationSeq = mConfiguration.seq = 1;
mProcessCpuTracker.init();
mCompatModePackages = new CompatModePackages(this, systemDir, mHandler);
mIntentFirewall = new IntentFirewall(new IntentFirewallInterface(), mHandler);
mStackSupervisor = new ActivityStackSupervisor(this);
mTaskPersister = new TaskPersister(systemDir, mStackSupervisor);
mProcessCpuThread = new Thread("CpuTracker") {
@Override
public void run() {
while (true) {
try {
try {
synchronized(this) {
final long now = SystemClock.uptimeMillis();
long nextCpuDelay = (mLastCpuTime.get()+MONITOR_CPU_MAX_TIME)-now;
long nextWriteDelay = (mLastWriteTime+BATTERY_STATS_TIME)-now;
//Slog.i(TAG, "Cpu delay=" + nextCpuDelay
// + ", write delay=" + nextWriteDelay);
if (nextWriteDelay < nextCpuDelay) {
nextCpuDelay = nextWriteDelay;
}
if (nextCpuDelay > 0) {
mProcessCpuMutexFree.set(true);
this.wait(nextCpuDelay);
}
}
} catch (InterruptedException e) {
}
updateCpuStatsNow();
} catch (Exception e) {
Slog.e(TAG, "Unexpected exception collecting process stats", e);
}
}
}
};
Watchdog.getInstance().addMonitor(this);
Watchdog.getInstance().addThread(mHandler);
}
public void setSystemServiceManager(SystemServiceManager mgr) {
mSystemServiceManager = mgr;
}
public void setInstaller(Installer installer) {
mInstaller = installer;
}
private void start() {
Process.removeAllProcessGroups();
mProcessCpuThread.start();
mBatteryStatsService.publish(mContext);
mAppOpsService.publish(mContext);
Slog.d("AppOps", "AppOpsService published");
LocalServices.addService(ActivityManagerInternal.class, new LocalService());
}
public void initPowerManagement() {
mStackSupervisor.initPowerManagement();
mBatteryStatsService.initPowerManagement();
}
@Override
public boolean onTransact(int code, Parcel data, Parcel reply, int flags)
throws RemoteException {
if (code == SYSPROPS_TRANSACTION) {
// We need to tell all apps about the system property change.
ArrayList procs = new ArrayList();
synchronized(this) {
final int NP = mProcessNames.getMap().size();
for (int ip=0; ip apps = mProcessNames.getMap().valueAt(ip);
final int NA = apps.size();
for (int ia=0; ia= now - MONITOR_CPU_MIN_TIME) {
return;
}
if (mProcessCpuMutexFree.compareAndSet(true, false)) {
synchronized (mProcessCpuThread) {
mProcessCpuThread.notify();
}
}
}
void updateCpuStatsNow() {
synchronized (mProcessCpuTracker) {
mProcessCpuMutexFree.set(false);
final long now = SystemClock.uptimeMillis();
boolean haveNewCpuStats = false;
if (MONITOR_CPU_USAGE &&
mLastCpuTime.get() < (now-MONITOR_CPU_MIN_TIME)) {
mLastCpuTime.set(now);
haveNewCpuStats = true;
mProcessCpuTracker.update();
//Slog.i(TAG, mProcessCpu.printCurrentState());
//Slog.i(TAG, "Total CPU usage: "
// + mProcessCpu.getTotalCpuPercent() + "%");
// Slog the cpu usage if the property is set.
if ("true".equals(SystemProperties.get("events.cpu"))) {
int user = mProcessCpuTracker.getLastUserTime();
int system = mProcessCpuTracker.getLastSystemTime();
int iowait = mProcessCpuTracker.getLastIoWaitTime();
int irq = mProcessCpuTracker.getLastIrqTime();
int softIrq = mProcessCpuTracker.getLastSoftIrqTime();
int idle = mProcessCpuTracker.getLastIdleTime();
int total = user + system + iowait + irq + softIrq + idle;
if (total == 0) total = 1;
EventLog.writeEvent(EventLogTags.CPU,
((user+system+iowait+irq+softIrq) * 100) / total,
(user * 100) / total,
(system * 100) / total,
(iowait * 100) / total,
(irq * 100) / total,
(softIrq * 100) / total);
}
}
long[] cpuSpeedTimes = mProcessCpuTracker.getLastCpuSpeedTimes();
final BatteryStatsImpl bstats = mBatteryStatsService.getActiveStatistics();
synchronized(bstats) {
synchronized(mPidsSelfLocked) {
if (haveNewCpuStats) {
if (mOnBattery) {
int perc = bstats.startAddingCpuLocked();
int totalUTime = 0;
int totalSTime = 0;
final int N = mProcessCpuTracker.countStats();
for (int i=0; i getCommonServicesLocked(boolean isolated) {
if (mAppBindArgs == null) {
mAppBindArgs = new HashMap<>();
// Isolated processes won't get this optimization, so that we don't
// violate the rules about which services they have access to.
if (!isolated) {
// Setup the application init args
mAppBindArgs.put("package", ServiceManager.getService("package"));
mAppBindArgs.put("window", ServiceManager.getService("window"));
mAppBindArgs.put(Context.ALARM_SERVICE,
ServiceManager.getService(Context.ALARM_SERVICE));
}
}
return mAppBindArgs;
}
final void setFocusedActivityLocked(ActivityRecord r, String reason) {
if (mFocusedActivity != r) {
if (DEBUG_FOCUS) Slog.d(TAG, "setFocusedActivityLocked: r=" + r);
mFocusedActivity = r;
if (r.task != null && r.task.voiceInteractor != null) {
startRunningVoiceLocked();
} else {
finishRunningVoiceLocked();
}
mStackSupervisor.setFocusedStack(r, reason + " setFocusedActivity");
if (r != null) {
mWindowManager.setFocusedApp(r.appToken, true);
}
applyUpdateLockStateLocked(r);
}
EventLog.writeEvent(EventLogTags.AM_FOCUSED_ACTIVITY, mCurrentUserId,
mFocusedActivity == null ? "NULL" : mFocusedActivity.shortComponentName);
}
final void clearFocusedActivity(ActivityRecord r) {
if (mFocusedActivity == r) {
mFocusedActivity = null;
}
}
@Override
public void setFocusedStack(int stackId) {
if (DEBUG_FOCUS) Slog.d(TAG, "setFocusedStack: stackId=" + stackId);
synchronized (ActivityManagerService.this) {
ActivityStack stack = mStackSupervisor.getStack(stackId);
if (stack != null) {
ActivityRecord r = stack.topRunningActivityLocked(null);
if (r != null) {
setFocusedActivityLocked(r, "setFocusedStack");
}
}
}
}
/** Sets the task stack listener that gets callbacks when a task stack changes. */
@Override
public void registerTaskStackListener(ITaskStackListener listener) throws RemoteException {
synchronized (ActivityManagerService.this) {
if (listener != null) {
mTaskStackListeners.register(listener);
}
}
}
@Override
public void notifyActivityDrawn(IBinder token) {
if (DEBUG_VISBILITY) Slog.d(TAG, "notifyActivityDrawn: token=" + token);
synchronized (this) {
ActivityRecord r= mStackSupervisor.isInAnyStackLocked(token);
if (r != null) {
r.task.stack.notifyActivityDrawnLocked(r);
}
}
}
final void applyUpdateLockStateLocked(ActivityRecord r) {
// Modifications to the UpdateLock state are done on our handler, outside
// the activity manager's locks. The new state is determined based on the
// state *now* of the relevant activity record. The object is passed to
// the handler solely for logging detail, not to be consulted/modified.
final boolean nextState = r != null && r.immersive;
mHandler.sendMessage(
mHandler.obtainMessage(IMMERSIVE_MODE_LOCK_MSG, (nextState) ? 1 : 0, 0, r));
}
final void showAskCompatModeDialogLocked(ActivityRecord r) {
Message msg = Message.obtain();
msg.what = SHOW_COMPAT_MODE_DIALOG_MSG;
msg.obj = r.task.askedCompatMode ? null : r;
mHandler.sendMessage(msg);
}
private int updateLruProcessInternalLocked(ProcessRecord app, long now, int index,
String what, Object obj, ProcessRecord srcApp) {
app.lastActivityTime = now;
if (app.activities.size() > 0) {
// Don't want to touch dependent processes that are hosting activities.
return index;
}
int lrui = mLruProcesses.lastIndexOf(app);
if (lrui < 0) {
Slog.wtf(TAG, "Adding dependent process " + app + " not on LRU list: "
+ what + " " + obj + " from " + srcApp);
return index;
}
if (lrui >= index) {
// Don't want to cause this to move dependent processes *back* in the
// list as if they were less frequently used.
return index;
}
if (lrui >= mLruProcessActivityStart) {
// Don't want to touch dependent processes that are hosting activities.
return index;
}
mLruProcesses.remove(lrui);
if (index > 0) {
index--;
}
if (DEBUG_LRU) Slog.d(TAG, "Moving dep from " + lrui + " to " + index
+ " in LRU list: " + app);
mLruProcesses.add(index, app);
return index;
}
final void removeLruProcessLocked(ProcessRecord app) {
int lrui = mLruProcesses.lastIndexOf(app);
if (lrui >= 0) {
if (!app.killed) {
Slog.wtfStack(TAG, "Removing process that hasn't been killed: " + app);
Process.killProcessQuiet(app.pid);
Process.killProcessGroup(app.info.uid, app.pid);
}
if (lrui <= mLruProcessActivityStart) {
mLruProcessActivityStart--;
}
if (lrui <= mLruProcessServiceStart) {
mLruProcessServiceStart--;
}
mLruProcesses.remove(lrui);
}
}
final void updateLruProcessLocked(ProcessRecord app, boolean activityChange,
ProcessRecord client) {
final boolean hasActivity = app.activities.size() > 0 || app.hasClientActivities
|| app.treatLikeActivity;
final boolean hasService = false; // not impl yet. app.services.size() > 0;
if (!activityChange && hasActivity) {
// The process has activities, so we are only allowing activity-based adjustments
// to move it. It should be kept in the front of the list with other
// processes that have activities, and we don't want those to change their
// order except due to activity operations.
return;
}
mLruSeq++;
final long now = SystemClock.uptimeMillis();
app.lastActivityTime = now;
// First a quick reject: if the app is already at the position we will
// put it, then there is nothing to do.
if (hasActivity) {
final int N = mLruProcesses.size();
if (N > 0 && mLruProcesses.get(N-1) == app) {
if (DEBUG_LRU) Slog.d(TAG, "Not moving, already top activity: " + app);
return;
}
} else {
if (mLruProcessServiceStart > 0
&& mLruProcesses.get(mLruProcessServiceStart-1) == app) {
if (DEBUG_LRU) Slog.d(TAG, "Not moving, already top other: " + app);
return;
}
}
int lrui = mLruProcesses.lastIndexOf(app);
if (app.persistent && lrui >= 0) {
// We don't care about the position of persistent processes, as long as
// they are in the list.
if (DEBUG_LRU) Slog.d(TAG, "Not moving, persistent: " + app);
return;
}
/* In progress: compute new position first, so we can avoid doing work
if the process is not actually going to move. Not yet working.
int addIndex;
int nextIndex;
boolean inActivity = false, inService = false;
if (hasActivity) {
// Process has activities, put it at the very tipsy-top.
addIndex = mLruProcesses.size();
nextIndex = mLruProcessServiceStart;
inActivity = true;
} else if (hasService) {
// Process has services, put it at the top of the service list.
addIndex = mLruProcessActivityStart;
nextIndex = mLruProcessServiceStart;
inActivity = true;
inService = true;
} else {
// Process not otherwise of interest, it goes to the top of the non-service area.
addIndex = mLruProcessServiceStart;
if (client != null) {
int clientIndex = mLruProcesses.lastIndexOf(client);
if (clientIndex < 0) Slog.d(TAG, "Unknown client " + client + " when updating "
+ app);
if (clientIndex >= 0 && addIndex > clientIndex) {
addIndex = clientIndex;
}
}
nextIndex = addIndex > 0 ? addIndex-1 : addIndex;
}
Slog.d(TAG, "Update LRU at " + lrui + " to " + addIndex + " (act="
+ mLruProcessActivityStart + "): " + app);
*/
if (lrui >= 0) {
if (lrui < mLruProcessActivityStart) {
mLruProcessActivityStart--;
}
if (lrui < mLruProcessServiceStart) {
mLruProcessServiceStart--;
}
/*
if (addIndex > lrui) {
addIndex--;
}
if (nextIndex > lrui) {
nextIndex--;
}
*/
mLruProcesses.remove(lrui);
}
/*
mLruProcesses.add(addIndex, app);
if (inActivity) {
mLruProcessActivityStart++;
}
if (inService) {
mLruProcessActivityStart++;
}
*/
int nextIndex;
if (hasActivity) {
final int N = mLruProcesses.size();
if (app.activities.size() == 0 && mLruProcessActivityStart < (N-1)) {
// Process doesn't have activities, but has clients with
// activities... move it up, but one below the top (the top
// should always have a real activity).
if (DEBUG_LRU) Slog.d(TAG, "Adding to second-top of LRU activity list: " + app);
mLruProcesses.add(N-1, app);
// To keep it from spamming the LRU list (by making a bunch of clients),
// we will push down any other entries owned by the app.
final int uid = app.info.uid;
for (int i=N-2; i>mLruProcessActivityStart; i--) {
ProcessRecord subProc = mLruProcesses.get(i);
if (subProc.info.uid == uid) {
// We want to push this one down the list. If the process after
// it is for the same uid, however, don't do so, because we don't
// want them internally to be re-ordered.
if (mLruProcesses.get(i-1).info.uid != uid) {
if (DEBUG_LRU) Slog.d(TAG, "Pushing uid " + uid + " swapping at " + i
+ ": " + mLruProcesses.get(i) + " : " + mLruProcesses.get(i-1));
ProcessRecord tmp = mLruProcesses.get(i);
mLruProcesses.set(i, mLruProcesses.get(i-1));
mLruProcesses.set(i-1, tmp);
i--;
}
} else {
// A gap, we can stop here.
break;
}
}
} else {
// Process has activities, put it at the very tipsy-top.
if (DEBUG_LRU) Slog.d(TAG, "Adding to top of LRU activity list: " + app);
mLruProcesses.add(app);
}
nextIndex = mLruProcessServiceStart;
} else if (hasService) {
// Process has services, put it at the top of the service list.
if (DEBUG_LRU) Slog.d(TAG, "Adding to top of LRU service list: " + app);
mLruProcesses.add(mLruProcessActivityStart, app);
nextIndex = mLruProcessServiceStart;
mLruProcessActivityStart++;
} else {
// Process not otherwise of interest, it goes to the top of the non-service area.
int index = mLruProcessServiceStart;
if (client != null) {
// If there is a client, don't allow the process to be moved up higher
// in the list than that client.
int clientIndex = mLruProcesses.lastIndexOf(client);
if (DEBUG_LRU && clientIndex < 0) Slog.d(TAG, "Unknown client " + client
+ " when updating " + app);
if (clientIndex <= lrui) {
// Don't allow the client index restriction to push it down farther in the
// list than it already is.
clientIndex = lrui;
}
if (clientIndex >= 0 && index > clientIndex) {
index = clientIndex;
}
}
if (DEBUG_LRU) Slog.d(TAG, "Adding at " + index + " of LRU list: " + app);
mLruProcesses.add(index, app);
nextIndex = index-1;
mLruProcessActivityStart++;
mLruProcessServiceStart++;
}
// If the app is currently using a content provider or service,
// bump those processes as well.
for (int j=app.connections.size()-1; j>=0; j--) {
ConnectionRecord cr = app.connections.valueAt(j);
if (cr.binding != null && !cr.serviceDead && cr.binding.service != null
&& cr.binding.service.app != null
&& cr.binding.service.app.lruSeq != mLruSeq
&& !cr.binding.service.app.persistent) {
nextIndex = updateLruProcessInternalLocked(cr.binding.service.app, now, nextIndex,
"service connection", cr, app);
}
}
for (int j=app.conProviders.size()-1; j>=0; j--) {
ContentProviderRecord cpr = app.conProviders.get(j).provider;
if (cpr.proc != null && cpr.proc.lruSeq != mLruSeq && !cpr.proc.persistent) {
nextIndex = updateLruProcessInternalLocked(cpr.proc, now, nextIndex,
"provider reference", cpr, app);
}
}
}
final ProcessRecord getProcessRecordLocked(String processName, int uid, boolean keepIfLarge) {
if (uid == Process.SYSTEM_UID) {
// The system gets to run in any process. If there are multiple
// processes with the same uid, just pick the first (this
// should never happen).
SparseArray procs = mProcessNames.getMap().get(processName);
if (procs == null) return null;
final int N = procs.size();
for (int i = 0; i < N; i++) {
if (UserHandle.isSameUser(procs.keyAt(i), uid)) return procs.valueAt(i);
}
}
ProcessRecord proc = mProcessNames.get(processName, uid);
if (false && proc != null && !keepIfLarge
&& proc.setProcState >= ActivityManager.PROCESS_STATE_CACHED_EMPTY
&& proc.lastCachedPss >= 4000) {
// Turn this condition on to cause killing to happen regularly, for testing.
if (proc.baseProcessTracker != null) {
proc.baseProcessTracker.reportCachedKill(proc.pkgList, proc.lastCachedPss);
}
proc.kill(Long.toString(proc.lastCachedPss) + "k from cached", true);
} else if (proc != null && !keepIfLarge
&& mLastMemoryLevel > ProcessStats.ADJ_MEM_FACTOR_NORMAL
&& proc.setProcState >= ActivityManager.PROCESS_STATE_CACHED_EMPTY) {
if (DEBUG_PSS) Slog.d(TAG, "May not keep " + proc + ": pss=" + proc.lastCachedPss);
if (proc.lastCachedPss >= mProcessList.getCachedRestoreThresholdKb()) {
if (proc.baseProcessTracker != null) {
proc.baseProcessTracker.reportCachedKill(proc.pkgList, proc.lastCachedPss);
}
proc.kill(Long.toString(proc.lastCachedPss) + "k from cached", true);
}
}
return proc;
}
void ensurePackageDexOpt(String packageName) {
IPackageManager pm = AppGlobals.getPackageManager();
try {
if (pm.performDexOptIfNeeded(packageName, null /* instruction set */)) {
mDidDexOpt = true;
}
} catch (RemoteException e) {
}
}
boolean isNextTransitionForward() {
int transit = mWindowManager.getPendingAppTransition();
return transit == AppTransition.TRANSIT_ACTIVITY_OPEN
|| transit == AppTransition.TRANSIT_TASK_OPEN
|| transit == AppTransition.TRANSIT_TASK_TO_FRONT;
}
int startIsolatedProcess(String entryPoint, String[] entryPointArgs,
String processName, String abiOverride, int uid, Runnable crashHandler) {
synchronized(this) {
ApplicationInfo info = new ApplicationInfo();
// In general the ApplicationInfo.uid isn't neccesarily equal to ProcessRecord.uid.
// For isolated processes, the former contains the parent's uid and the latter the
// actual uid of the isolated process.
// In the special case introduced by this method (which is, starting an isolated
// process directly from the SystemServer without an actual parent app process) the
// closest thing to a parent's uid is SYSTEM_UID.
// The only important thing here is to keep AI.uid != PR.uid, in order to trigger
// the |isolated| logic in the ProcessRecord constructor.
info.uid = Process.SYSTEM_UID;
info.processName = processName;
info.className = entryPoint;
info.packageName = "android";
ProcessRecord proc = startProcessLocked(processName, info /* info */,
false /* knownToBeDead */, 0 /* intentFlags */, "" /* hostingType */,
null /* hostingName */, true /* allowWhileBooting */, true /* isolated */,
uid, true /* keepIfLarge */, abiOverride, entryPoint, entryPointArgs,
crashHandler);
return proc != null ? proc.pid : 0;
}
}
final ProcessRecord startProcessLocked(String processName,
ApplicationInfo info, boolean knownToBeDead, int intentFlags,
String hostingType, ComponentName hostingName, boolean allowWhileBooting,
boolean isolated, boolean keepIfLarge) {
return startProcessLocked(processName, info, knownToBeDead, intentFlags, hostingType,
hostingName, allowWhileBooting, isolated, 0 /* isolatedUid */, keepIfLarge,
null /* ABI override */, null /* entryPoint */, null /* entryPointArgs */,
null /* crashHandler */);
}
final ProcessRecord startProcessLocked(String processName, ApplicationInfo info,
boolean knownToBeDead, int intentFlags, String hostingType, ComponentName hostingName,
boolean allowWhileBooting, boolean isolated, int isolatedUid, boolean keepIfLarge,
String abiOverride, String entryPoint, String[] entryPointArgs, Runnable crashHandler) {
long startTime = SystemClock.elapsedRealtime();
ProcessRecord app;
if (!isolated) {
app = getProcessRecordLocked(processName, info.uid, keepIfLarge);
checkTime(startTime, "startProcess: after getProcessRecord");
} else {
// If this is an isolated process, it can't re-use an existing process.
app = null;
}
// We don't have to do anything more if:
// (1) There is an existing application record; and
// (2) The caller doesn't think it is dead, OR there is no thread
// object attached to it so we know it couldn't have crashed; and
// (3) There is a pid assigned to it, so it is either starting or
// already running.
if (DEBUG_PROCESSES) Slog.v(TAG, "startProcess: name=" + processName
+ " app=" + app + " knownToBeDead=" + knownToBeDead
+ " thread=" + (app != null ? app.thread : null)
+ " pid=" + (app != null ? app.pid : -1));
if (app != null && app.pid > 0) {
if (!knownToBeDead || app.thread == null) {
// We already have the app running, or are waiting for it to
// come up (we have a pid but not yet its thread), so keep it.
if (DEBUG_PROCESSES) Slog.v(TAG, "App already running: " + app);
// If this is a new package in the process, add the package to the list
app.addPackage(info.packageName, info.versionCode, mProcessStats);
checkTime(startTime, "startProcess: done, added package to proc");
return app;
}
// An application record is attached to a previous process,
// clean it up now.
if (DEBUG_PROCESSES || DEBUG_CLEANUP) Slog.v(TAG, "App died: " + app);
checkTime(startTime, "startProcess: bad proc running, killing");
Process.killProcessGroup(app.info.uid, app.pid);
handleAppDiedLocked(app, true, true);
checkTime(startTime, "startProcess: done killing old proc");
}
String hostingNameStr = hostingName != null
? hostingName.flattenToShortString() : null;
if (!isolated) {
if ((intentFlags&Intent.FLAG_FROM_BACKGROUND) != 0) {
// If we are in the background, then check to see if this process
// is bad. If so, we will just silently fail.
if (mBadProcesses.get(info.processName, info.uid) != null) {
if (DEBUG_PROCESSES) Slog.v(TAG, "Bad process: " + info.uid
+ "/" + info.processName);
return null;
}
} else {
// When the user is explicitly starting a process, then clear its
// crash count so that we won't make it bad until they see at
// least one crash dialog again, and make the process good again
// if it had been bad.
if (DEBUG_PROCESSES) Slog.v(TAG, "Clearing bad process: " + info.uid
+ "/" + info.processName);
mProcessCrashTimes.remove(info.processName, info.uid);
if (mBadProcesses.get(info.processName, info.uid) != null) {
EventLog.writeEvent(EventLogTags.AM_PROC_GOOD,
UserHandle.getUserId(info.uid), info.uid,
info.processName);
mBadProcesses.remove(info.processName, info.uid);
if (app != null) {
app.bad = false;
}
}
}
}
if (app == null) {
checkTime(startTime, "startProcess: creating new process record");
app = newProcessRecordLocked(info, processName, isolated, isolatedUid);
if (app == null) {
Slog.w(TAG, "Failed making new process record for "
+ processName + "/" + info.uid + " isolated=" + isolated);
return null;
}
app.crashHandler = crashHandler;
mProcessNames.put(processName, app.uid, app);
if (isolated) {
mIsolatedProcesses.put(app.uid, app);
}
checkTime(startTime, "startProcess: done creating new process record");
} else {
// If this is a new package in the process, add the package to the list
app.addPackage(info.packageName, info.versionCode, mProcessStats);
checkTime(startTime, "startProcess: added package to existing proc");
}
// If the system is not ready yet, then hold off on starting this
// process until it is.
if (!mProcessesReady
&& !isAllowedWhileBooting(info)
&& !allowWhileBooting) {
if (!mProcessesOnHold.contains(app)) {
mProcessesOnHold.add(app);
}
if (DEBUG_PROCESSES) Slog.v(TAG, "System not ready, putting on hold: " + app);
checkTime(startTime, "startProcess: returning with proc on hold");
return app;
}
checkTime(startTime, "startProcess: stepping in to startProcess");
startProcessLocked(
app, hostingType, hostingNameStr, abiOverride, entryPoint, entryPointArgs);
checkTime(startTime, "startProcess: done starting proc!");
return (app.pid != 0) ? app : null;
}
boolean isAllowedWhileBooting(ApplicationInfo ai) {
return (ai.flags&ApplicationInfo.FLAG_PERSISTENT) != 0;
}
private final void startProcessLocked(ProcessRecord app,
String hostingType, String hostingNameStr) {
startProcessLocked(app, hostingType, hostingNameStr, null /* abiOverride */,
null /* entryPoint */, null /* entryPointArgs */);
}
private final void startProcessLocked(ProcessRecord app, String hostingType,
String hostingNameStr, String abiOverride, String entryPoint, String[] entryPointArgs) {
long startTime = SystemClock.elapsedRealtime();
if (app.pid > 0 && app.pid != MY_PID) {
checkTime(startTime, "startProcess: removing from pids map");
synchronized (mPidsSelfLocked) {
mPidsSelfLocked.remove(app.pid);
mHandler.removeMessages(PROC_START_TIMEOUT_MSG, app);
}
checkTime(startTime, "startProcess: done removing from pids map");
app.setPid(0);
}
if (DEBUG_PROCESSES && mProcessesOnHold.contains(app)) Slog.v(TAG,
"startProcessLocked removing on hold: " + app);
mProcessesOnHold.remove(app);
checkTime(startTime, "startProcess: starting to update cpu stats");
updateCpuStats();
checkTime(startTime, "startProcess: done updating cpu stats");
try {
int uid = app.uid;
int[] gids = null;
int mountExternal = Zygote.MOUNT_EXTERNAL_NONE;
if (!app.isolated) {
int[] permGids = null;
try {
checkTime(startTime, "startProcess: getting gids from package manager");
final PackageManager pm = mContext.getPackageManager();
permGids = pm.getPackageGids(app.info.packageName);
if (Environment.isExternalStorageEmulated()) {
checkTime(startTime, "startProcess: checking external storage perm");
if (pm.checkPermission(
android.Manifest.permission.ACCESS_ALL_EXTERNAL_STORAGE,
app.info.packageName) == PERMISSION_GRANTED) {
mountExternal = Zygote.MOUNT_EXTERNAL_MULTIUSER_ALL;
} else {
mountExternal = Zygote.MOUNT_EXTERNAL_MULTIUSER;
}
}
} catch (PackageManager.NameNotFoundException e) {
Slog.w(TAG, "Unable to retrieve gids", e);
}
/*
* Add shared application and profile GIDs so applications can share some
* resources like shared libraries and access user-wide resources
*/
if (permGids == null) {
gids = new int[2];
} else {
gids = new int[permGids.length + 2];
System.arraycopy(permGids, 0, gids, 2, permGids.length);
}
gids[0] = UserHandle.getSharedAppGid(UserHandle.getAppId(uid));
gids[1] = UserHandle.getUserGid(UserHandle.getUserId(uid));
}
checkTime(startTime, "startProcess: building args");
if (mFactoryTest != FactoryTest.FACTORY_TEST_OFF) {
if (mFactoryTest == FactoryTest.FACTORY_TEST_LOW_LEVEL
&& mTopComponent != null
&& app.processName.equals(mTopComponent.getPackageName())) {
uid = 0;
}
if (mFactoryTest == FactoryTest.FACTORY_TEST_HIGH_LEVEL
&& (app.info.flags&ApplicationInfo.FLAG_FACTORY_TEST) != 0) {
uid = 0;
}
}
int debugFlags = 0;
if ((app.info.flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0) {
debugFlags |= Zygote.DEBUG_ENABLE_DEBUGGER;
// Also turn on CheckJNI for debuggable apps. It's quite
// awkward to turn on otherwise.
debugFlags |= Zygote.DEBUG_ENABLE_CHECKJNI;
}
// Run the app in safe mode if its manifest requests so or the
// system is booted in safe mode.
if ((app.info.flags & ApplicationInfo.FLAG_VM_SAFE_MODE) != 0 ||
mSafeMode == true) {
debugFlags |= Zygote.DEBUG_ENABLE_SAFEMODE;
}
if ("1".equals(SystemProperties.get("debug.checkjni"))) {
debugFlags |= Zygote.DEBUG_ENABLE_CHECKJNI;
}
if ("1".equals(SystemProperties.get("debug.jni.logging"))) {
debugFlags |= Zygote.DEBUG_ENABLE_JNI_LOGGING;
}
if ("1".equals(SystemProperties.get("debug.assert"))) {
debugFlags |= Zygote.DEBUG_ENABLE_ASSERT;
}
String requiredAbi = (abiOverride != null) ? abiOverride : app.info.primaryCpuAbi;
if (requiredAbi == null) {
requiredAbi = Build.SUPPORTED_ABIS[0];
}
String instructionSet = null;
if (app.info.primaryCpuAbi != null) {
instructionSet = VMRuntime.getInstructionSet(app.info.primaryCpuAbi);
}
app.gids = gids;
app.requiredAbi = requiredAbi;
app.instructionSet = instructionSet;
// Start the process. It will either succeed and return a result containing
// the PID of the new process, or else throw a RuntimeException.
boolean isActivityProcess = (entryPoint == null);
if (entryPoint == null) entryPoint = "android.app.ActivityThread";
checkTime(startTime, "startProcess: asking zygote to start proc");
Process.ProcessStartResult startResult = Process.start(entryPoint,
app.processName, uid, uid, gids, debugFlags, mountExternal,
app.info.targetSdkVersion, app.info.seinfo, requiredAbi, instructionSet,
app.info.dataDir, entryPointArgs);
checkTime(startTime, "startProcess: returned from zygote!");
if (app.isolated) {
mBatteryStatsService.addIsolatedUid(app.uid, app.info.uid);
}
mBatteryStatsService.noteProcessStart(app.processName, app.info.uid);
checkTime(startTime, "startProcess: done updating battery stats");
EventLog.writeEvent(EventLogTags.AM_PROC_START,
UserHandle.getUserId(uid), startResult.pid, uid,
app.processName, hostingType,
hostingNameStr != null ? hostingNameStr : "");
if (app.persistent) {
Watchdog.getInstance().processStarted(app.processName, startResult.pid);
}
checkTime(startTime, "startProcess: building log message");
StringBuilder buf = mStringBuilder;
buf.setLength(0);
buf.append("Start proc ");
buf.append(startResult.pid);
buf.append(':');
buf.append(app.processName);
buf.append('/');
UserHandle.formatUid(buf, uid);
if (!isActivityProcess) {
buf.append(" [");
buf.append(entryPoint);
buf.append("]");
}
buf.append(" for ");
buf.append(hostingType);
if (hostingNameStr != null) {
buf.append(" ");
buf.append(hostingNameStr);
}
Slog.i(TAG, buf.toString());
app.setPid(startResult.pid);
app.usingWrapper = startResult.usingWrapper;
app.removed = false;
app.killed = false;
app.killedByAm = false;
checkTime(startTime, "startProcess: starting to update pids map");
synchronized (mPidsSelfLocked) {
this.mPidsSelfLocked.put(startResult.pid, app);
if (isActivityProcess) {
Message msg = mHandler.obtainMessage(PROC_START_TIMEOUT_MSG);
msg.obj = app;
mHandler.sendMessageDelayed(msg, startResult.usingWrapper
? PROC_START_TIMEOUT_WITH_WRAPPER : PROC_START_TIMEOUT);
}
}
checkTime(startTime, "startProcess: done updating pids map");
} catch (RuntimeException e) {
// XXX do better error recovery.
app.setPid(0);
mBatteryStatsService.noteProcessFinish(app.processName, app.info.uid);
if (app.isolated) {
mBatteryStatsService.removeIsolatedUid(app.uid, app.info.uid);
}
Slog.e(TAG, "Failure starting process " + app.processName, e);
}
}
void updateUsageStats(ActivityRecord component, boolean resumed) {
if (DEBUG_SWITCH) Slog.d(TAG, "updateUsageStats: comp=" + component + "res=" + resumed);
final BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics();
if (resumed) {
if (mUsageStatsService != null) {
mUsageStatsService.reportEvent(component.realActivity, component.userId,
UsageEvents.Event.MOVE_TO_FOREGROUND);
}
synchronized (stats) {
stats.noteActivityResumedLocked(component.app.uid);
}
} else {
if (mUsageStatsService != null) {
mUsageStatsService.reportEvent(component.realActivity, component.userId,
UsageEvents.Event.MOVE_TO_BACKGROUND);
}
synchronized (stats) {
stats.noteActivityPausedLocked(component.app.uid);
}
}
}
Intent getHomeIntent() {
Intent intent = new Intent(mTopAction, mTopData != null ? Uri.parse(mTopData) : null);
intent.setComponent(mTopComponent);
if (mFactoryTest != FactoryTest.FACTORY_TEST_LOW_LEVEL) {
intent.addCategory(Intent.CATEGORY_HOME);
}
return intent;
}
boolean startHomeActivityLocked(int userId, String reason) {
if (mFactoryTest == FactoryTest.FACTORY_TEST_LOW_LEVEL
&& mTopAction == null) {
// We are running in factory test mode, but unable to find
// the factory test app, so just sit around displaying the
// error message and don't try to start anything.
return false;
}
Intent intent = getHomeIntent();
ActivityInfo aInfo =
resolveActivityInfo(intent, STOCK_PM_FLAGS, userId);
if (aInfo != null) {
intent.setComponent(new ComponentName(
aInfo.applicationInfo.packageName, aInfo.name));
// Don't do this if the home app is currently being
// instrumented.
aInfo = new ActivityInfo(aInfo);
aInfo.applicationInfo = getAppInfoForUser(aInfo.applicationInfo, userId);
ProcessRecord app = getProcessRecordLocked(aInfo.processName,
aInfo.applicationInfo.uid, true);
if (app == null || app.instrumentationClass == null) {
intent.setFlags(intent.getFlags() | Intent.FLAG_ACTIVITY_NEW_TASK);
mStackSupervisor.startHomeActivity(intent, aInfo, reason);
}
}
return true;
}
private ActivityInfo resolveActivityInfo(Intent intent, int flags, int userId) {
ActivityInfo ai = null;
ComponentName comp = intent.getComponent();
try {
if (comp != null) {
ai = AppGlobals.getPackageManager().getActivityInfo(comp, flags, userId);
} else {
ResolveInfo info = AppGlobals.getPackageManager().resolveIntent(
intent,
intent.resolveTypeIfNeeded(mContext.getContentResolver()),
flags, userId);
if (info != null) {
ai = info.activityInfo;
}
}
} catch (RemoteException e) {
// ignore
}
return ai;
}
/**
* Starts the "new version setup screen" if appropriate.
*/
void startSetupActivityLocked() {
// Only do this once per boot.
if (mCheckedForSetup) {
return;
}
// We will show this screen if the current one is a different
// version than the last one shown, and we are not running in
// low-level factory test mode.
final ContentResolver resolver = mContext.getContentResolver();
if (mFactoryTest != FactoryTest.FACTORY_TEST_LOW_LEVEL &&
Settings.Global.getInt(resolver,
Settings.Global.DEVICE_PROVISIONED, 0) != 0) {
mCheckedForSetup = true;
// See if we should be showing the platform update setup UI.
Intent intent = new Intent(Intent.ACTION_UPGRADE_SETUP);
List ris = mContext.getPackageManager()
.queryIntentActivities(intent, PackageManager.GET_META_DATA);
// We don't allow third party apps to replace this.
ResolveInfo ri = null;
for (int i=0; ris != null && i 0) {
i--;
final IProcessObserver observer = mProcessObservers.getBroadcastItem(i);
if (observer != null) {
try {
for (int j=0; j 0) {
i--;
final IProcessObserver observer = mProcessObservers.getBroadcastItem(i);
if (observer != null) {
try {
observer.onProcessDied(pid, uid);
} catch (RemoteException e) {
}
}
}
mProcessObservers.finishBroadcast();
}
@Override
public final int startActivity(IApplicationThread caller, String callingPackage,
Intent intent, String resolvedType, IBinder resultTo, String resultWho, int requestCode,
int startFlags, ProfilerInfo profilerInfo, Bundle options) {
return startActivityAsUser(caller, callingPackage, intent, resolvedType, resultTo,
resultWho, requestCode, startFlags, profilerInfo, options,
UserHandle.getCallingUserId());
}
@Override
public final int startActivityAsUser(IApplicationThread caller, String callingPackage,
Intent intent, String resolvedType, IBinder resultTo, String resultWho, int requestCode,
int startFlags, ProfilerInfo profilerInfo, Bundle options, int userId) {
enforceNotIsolatedCaller("startActivity");
userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), userId,
false, ALLOW_FULL_ONLY, "startActivity", null);
// TODO: Switch to user app stacks here.
return mStackSupervisor.startActivityMayWait(caller, -1, callingPackage, intent,
resolvedType, null, null, resultTo, resultWho, requestCode, startFlags,
profilerInfo, null, null, options, userId, null, null);
}
@Override
public final int startActivityAsCaller(IApplicationThread caller, String callingPackage,
Intent intent, String resolvedType, IBinder resultTo, String resultWho, int requestCode,
int startFlags, ProfilerInfo profilerInfo, Bundle options, int userId) {
// This is very dangerous -- it allows you to perform a start activity (including
// permission grants) as any app that may launch one of your own activities. So
// we will only allow this to be done from activities that are part of the core framework,
// and then only when they are running as the system.
final ActivityRecord sourceRecord;
final int targetUid;
final String targetPackage;
synchronized (this) {
if (resultTo == null) {
throw new SecurityException("Must be called from an activity");
}
sourceRecord = mStackSupervisor.isInAnyStackLocked(resultTo);
if (sourceRecord == null) {
throw new SecurityException("Called with bad activity token: " + resultTo);
}
if (!sourceRecord.info.packageName.equals("android")) {
throw new SecurityException(
"Must be called from an activity that is declared in the android package");
}
if (sourceRecord.app == null) {
throw new SecurityException("Called without a process attached to activity");
}
if (UserHandle.getAppId(sourceRecord.app.uid) != Process.SYSTEM_UID) {
// This is still okay, as long as this activity is running under the
// uid of the original calling activity.
if (sourceRecord.app.uid != sourceRecord.launchedFromUid) {
throw new SecurityException(
"Calling activity in uid " + sourceRecord.app.uid
+ " must be system uid or original calling uid "
+ sourceRecord.launchedFromUid);
}
}
targetUid = sourceRecord.launchedFromUid;
targetPackage = sourceRecord.launchedFromPackage;
}
if (userId == UserHandle.USER_NULL) {
userId = UserHandle.getUserId(sourceRecord.app.uid);
}
// TODO: Switch to user app stacks here.
try {
int ret = mStackSupervisor.startActivityMayWait(null, targetUid, targetPackage, intent,
resolvedType, null, null, resultTo, resultWho, requestCode, startFlags, null,
null, null, options, userId, null, null);
return ret;
} catch (SecurityException e) {
// XXX need to figure out how to propagate to original app.
// A SecurityException here is generally actually a fault of the original
// calling activity (such as a fairly granting permissions), so propagate it
// back to them.
/*
StringBuilder msg = new StringBuilder();
msg.append("While launching");
msg.append(intent.toString());
msg.append(": ");
msg.append(e.getMessage());
*/
throw e;
}
}
@Override
public final WaitResult startActivityAndWait(IApplicationThread caller, String callingPackage,
Intent intent, String resolvedType, IBinder resultTo, String resultWho, int requestCode,
int startFlags, ProfilerInfo profilerInfo, Bundle options, int userId) {
enforceNotIsolatedCaller("startActivityAndWait");
userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), userId,
false, ALLOW_FULL_ONLY, "startActivityAndWait", null);
WaitResult res = new WaitResult();
// TODO: Switch to user app stacks here.
mStackSupervisor.startActivityMayWait(caller, -1, callingPackage, intent, resolvedType,
null, null, resultTo, resultWho, requestCode, startFlags, profilerInfo, res, null,
options, userId, null, null);
return res;
}
@Override
public final int startActivityWithConfig(IApplicationThread caller, String callingPackage,
Intent intent, String resolvedType, IBinder resultTo, String resultWho, int requestCode,
int startFlags, Configuration config, Bundle options, int userId) {
enforceNotIsolatedCaller("startActivityWithConfig");
userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), userId,
false, ALLOW_FULL_ONLY, "startActivityWithConfig", null);
// TODO: Switch to user app stacks here.
int ret = mStackSupervisor.startActivityMayWait(caller, -1, callingPackage, intent,
resolvedType, null, null, resultTo, resultWho, requestCode, startFlags,
null, null, config, options, userId, null, null);
return ret;
}
@Override
public int startActivityIntentSender(IApplicationThread caller,
IntentSender intent, Intent fillInIntent, String resolvedType,
IBinder resultTo, String resultWho, int requestCode,
int flagsMask, int flagsValues, Bundle options) {
enforceNotIsolatedCaller("startActivityIntentSender");
// Refuse possible leaked file descriptors
if (fillInIntent != null && fillInIntent.hasFileDescriptors()) {
throw new IllegalArgumentException("File descriptors passed in Intent");
}
IIntentSender sender = intent.getTarget();
if (!(sender instanceof PendingIntentRecord)) {
throw new IllegalArgumentException("Bad PendingIntent object");
}
PendingIntentRecord pir = (PendingIntentRecord)sender;
synchronized (this) {
// If this is coming from the currently resumed activity, it is
// effectively saying that app switches are allowed at this point.
final ActivityStack stack = getFocusedStack();
if (stack.mResumedActivity != null &&
stack.mResumedActivity.info.applicationInfo.uid == Binder.getCallingUid()) {
mAppSwitchesAllowedTime = 0;
}
}
int ret = pir.sendInner(0, fillInIntent, resolvedType, null, null,
resultTo, resultWho, requestCode, flagsMask, flagsValues, options, null);
return ret;
}
@Override
public int startVoiceActivity(String callingPackage, int callingPid, int callingUid,
Intent intent, String resolvedType, IVoiceInteractionSession session,
IVoiceInteractor interactor, int startFlags, ProfilerInfo profilerInfo,
Bundle options, int userId) {
if (checkCallingPermission(Manifest.permission.BIND_VOICE_INTERACTION)
!= PackageManager.PERMISSION_GRANTED) {
String msg = "Permission Denial: startVoiceActivity() from pid="
+ Binder.getCallingPid()
+ ", uid=" + Binder.getCallingUid()
+ " requires " + android.Manifest.permission.BIND_VOICE_INTERACTION;
Slog.w(TAG, msg);
throw new SecurityException(msg);
}
if (session == null || interactor == null) {
throw new NullPointerException("null session or interactor");
}
userId = handleIncomingUser(callingPid, callingUid, userId,
false, ALLOW_FULL_ONLY, "startVoiceActivity", null);
// TODO: Switch to user app stacks here.
return mStackSupervisor.startActivityMayWait(null, callingUid, callingPackage, intent,
resolvedType, session, interactor, null, null, 0, startFlags, profilerInfo, null,
null, options, userId, null, null);
}
@Override
public boolean startNextMatchingActivity(IBinder callingActivity,
Intent intent, Bundle options) {
// Refuse possible leaked file descriptors
if (intent != null && intent.hasFileDescriptors() == true) {
throw new IllegalArgumentException("File descriptors passed in Intent");
}
synchronized (this) {
final ActivityRecord r = ActivityRecord.isInStackLocked(callingActivity);
if (r == null) {
ActivityOptions.abort(options);
return false;
}
if (r.app == null || r.app.thread == null) {
// The caller is not running... d'oh!
ActivityOptions.abort(options);
return false;
}
intent = new Intent(intent);
// The caller is not allowed to change the data.
intent.setDataAndType(r.intent.getData(), r.intent.getType());
// And we are resetting to find the next component...
intent.setComponent(null);
final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0);
ActivityInfo aInfo = null;
try {
List resolves =
AppGlobals.getPackageManager().queryIntentActivities(
intent, r.resolvedType,
PackageManager.MATCH_DEFAULT_ONLY | STOCK_PM_FLAGS,
UserHandle.getCallingUserId());
// Look for the original activity in the list...
final int N = resolves != null ? resolves.size() : 0;
for (int i=0; i= 0; --i) {
TaskRecord tr = mRecentTasks.get(i);
if (tr.userId == userId) {
if(DEBUG_TASKS) Slog.i(TAG, "remove RecentTask " + tr
+ " when finishing user" + userId);
mRecentTasks.remove(i);
tr.removedFromRecents();
}
}
// Remove tasks from persistent storage.
notifyTaskPersisterLocked(null, true);
}
// Sort by taskId
private Comparator mTaskRecordComparator = new Comparator() {
@Override
public int compare(TaskRecord lhs, TaskRecord rhs) {
return rhs.taskId - lhs.taskId;
}
};
// Extract the affiliates of the chain containing mRecentTasks[start].
private int processNextAffiliateChainLocked(int start) {
final TaskRecord startTask = mRecentTasks.get(start);
final int affiliateId = startTask.mAffiliatedTaskId;
// Quick identification of isolated tasks. I.e. those not launched behind.
if (startTask.taskId == affiliateId && startTask.mPrevAffiliate == null &&
startTask.mNextAffiliate == null) {
// There is still a slim chance that there are other tasks that point to this task
// and that the chain is so messed up that this task no longer points to them but
// the gain of this optimization outweighs the risk.
startTask.inRecents = true;
return start + 1;
}
// Remove all tasks that are affiliated to affiliateId and put them in mTmpRecents.
mTmpRecents.clear();
for (int i = mRecentTasks.size() - 1; i >= start; --i) {
final TaskRecord task = mRecentTasks.get(i);
if (task.mAffiliatedTaskId == affiliateId) {
mRecentTasks.remove(i);
mTmpRecents.add(task);
}
}
// Sort them all by taskId. That is the order they were create in and that order will
// always be correct.
Collections.sort(mTmpRecents, mTaskRecordComparator);
// Go through and fix up the linked list.
// The first one is the end of the chain and has no next.
final TaskRecord first = mTmpRecents.get(0);
first.inRecents = true;
if (first.mNextAffiliate != null) {
Slog.w(TAG, "Link error 1 first.next=" + first.mNextAffiliate);
first.setNextAffiliate(null);
notifyTaskPersisterLocked(first, false);
}
// Everything in the middle is doubly linked from next to prev.
final int tmpSize = mTmpRecents.size();
for (int i = 0; i < tmpSize - 1; ++i) {
final TaskRecord next = mTmpRecents.get(i);
final TaskRecord prev = mTmpRecents.get(i + 1);
if (next.mPrevAffiliate != prev) {
Slog.w(TAG, "Link error 2 next=" + next + " prev=" + next.mPrevAffiliate +
" setting prev=" + prev);
next.setPrevAffiliate(prev);
notifyTaskPersisterLocked(next, false);
}
if (prev.mNextAffiliate != next) {
Slog.w(TAG, "Link error 3 prev=" + prev + " next=" + prev.mNextAffiliate +
" setting next=" + next);
prev.setNextAffiliate(next);
notifyTaskPersisterLocked(prev, false);
}
prev.inRecents = true;
}
// The last one is the beginning of the list and has no prev.
final TaskRecord last = mTmpRecents.get(tmpSize - 1);
if (last.mPrevAffiliate != null) {
Slog.w(TAG, "Link error 4 last.prev=" + last.mPrevAffiliate);
last.setPrevAffiliate(null);
notifyTaskPersisterLocked(last, false);
}
// Insert the group back into mRecentTasks at start.
mRecentTasks.addAll(start, mTmpRecents);
// Let the caller know where we left off.
return start + tmpSize;
}
/**
* Update the recent tasks lists: make sure tasks should still be here (their
* applications / activities still exist), update their availability, fixup ordering
* of affiliations.
*/
void cleanupRecentTasksLocked(int userId) {
if (mRecentTasks == null) {
// Happens when called from the packagemanager broadcast before boot.
return;
}
final HashMap availActCache = new HashMap<>();
final HashMap availAppCache = new HashMap<>();
final IPackageManager pm = AppGlobals.getPackageManager();
final ActivityInfo dummyAct = new ActivityInfo();
final ApplicationInfo dummyApp = new ApplicationInfo();
int N = mRecentTasks.size();
int[] users = userId == UserHandle.USER_ALL
? getUsersLocked() : new int[] { userId };
for (int user : users) {
for (int i = 0; i < N; i++) {
TaskRecord task = mRecentTasks.get(i);
if (task.userId != user) {
// Only look at tasks for the user ID of interest.
continue;
}
if (task.autoRemoveRecents && task.getTopActivity() == null) {
// This situation is broken, and we should just get rid of it now.
mRecentTasks.remove(i);
task.removedFromRecents();
i--;
N--;
Slog.w(TAG, "Removing auto-remove without activity: " + task);
continue;
}
// Check whether this activity is currently available.
if (task.realActivity != null) {
ActivityInfo ai = availActCache.get(task.realActivity);
if (ai == null) {
try {
ai = pm.getActivityInfo(task.realActivity,
PackageManager.GET_UNINSTALLED_PACKAGES
| PackageManager.GET_DISABLED_COMPONENTS, user);
} catch (RemoteException e) {
// Will never happen.
continue;
}
if (ai == null) {
ai = dummyAct;
}
availActCache.put(task.realActivity, ai);
}
if (ai == dummyAct) {
// This could be either because the activity no longer exists, or the
// app is temporarily gone. For the former we want to remove the recents
// entry; for the latter we want to mark it as unavailable.
ApplicationInfo app = availAppCache.get(task.realActivity.getPackageName());
if (app == null) {
try {
app = pm.getApplicationInfo(task.realActivity.getPackageName(),
PackageManager.GET_UNINSTALLED_PACKAGES
| PackageManager.GET_DISABLED_COMPONENTS, user);
} catch (RemoteException e) {
// Will never happen.
continue;
}
if (app == null) {
app = dummyApp;
}
availAppCache.put(task.realActivity.getPackageName(), app);
}
if (app == dummyApp || (app.flags&ApplicationInfo.FLAG_INSTALLED) == 0) {
// Doesn't exist any more! Good-bye.
mRecentTasks.remove(i);
task.removedFromRecents();
i--;
N--;
Slog.w(TAG, "Removing no longer valid recent: " + task);
continue;
} else {
// Otherwise just not available for now.
if (task.isAvailable) {
if (DEBUG_RECENTS) Slog.d(TAG, "Making recent unavailable: "
+ task);
}
task.isAvailable = false;
}
} else {
if (!ai.enabled || !ai.applicationInfo.enabled
|| (ai.applicationInfo.flags&ApplicationInfo.FLAG_INSTALLED) == 0) {
if (task.isAvailable) {
if (DEBUG_RECENTS) Slog.d(TAG, "Making recent unavailable: "
+ task + " (enabled=" + ai.enabled + "/"
+ ai.applicationInfo.enabled + " flags="
+ Integer.toHexString(ai.applicationInfo.flags) + ")");
}
task.isAvailable = false;
} else {
if (!task.isAvailable) {
if (DEBUG_RECENTS) Slog.d(TAG, "Making recent available: "
+ task);
}
task.isAvailable = true;
}
}
}
}
}
// Verify the affiliate chain for each task.
for (int i = 0; i < N; i = processNextAffiliateChainLocked(i)) {
}
mTmpRecents.clear();
// mRecentTasks is now in sorted, affiliated order.
}
private final boolean moveAffiliatedTasksToFront(TaskRecord task, int taskIndex) {
int N = mRecentTasks.size();
TaskRecord top = task;
int topIndex = taskIndex;
while (top.mNextAffiliate != null && topIndex > 0) {
top = top.mNextAffiliate;
topIndex--;
}
if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: adding affilliates starting at "
+ topIndex + " from intial " + taskIndex);
// Find the end of the chain, doing a sanity check along the way.
boolean sane = top.mAffiliatedTaskId == task.mAffiliatedTaskId;
int endIndex = topIndex;
TaskRecord prev = top;
while (endIndex < N) {
TaskRecord cur = mRecentTasks.get(endIndex);
if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: looking at next chain @"
+ endIndex + " " + cur);
if (cur == top) {
// Verify start of the chain.
if (cur.mNextAffiliate != null || cur.mNextAffiliateTaskId != INVALID_TASK_ID) {
Slog.wtf(TAG, "Bad chain @" + endIndex
+ ": first task has next affiliate: " + prev);
sane = false;
break;
}
} else {
// Verify middle of the chain's next points back to the one before.
if (cur.mNextAffiliate != prev
|| cur.mNextAffiliateTaskId != prev.taskId) {
Slog.wtf(TAG, "Bad chain @" + endIndex
+ ": middle task " + cur + " @" + endIndex
+ " has bad next affiliate "
+ cur.mNextAffiliate + " id " + cur.mNextAffiliateTaskId
+ ", expected " + prev);
sane = false;
break;
}
}
if (cur.mPrevAffiliateTaskId == INVALID_TASK_ID) {
// Chain ends here.
if (cur.mPrevAffiliate != null) {
Slog.wtf(TAG, "Bad chain @" + endIndex
+ ": last task " + cur + " has previous affiliate "
+ cur.mPrevAffiliate);
sane = false;
}
if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: end of chain @" + endIndex);
break;
} else {
// Verify middle of the chain's prev points to a valid item.
if (cur.mPrevAffiliate == null) {
Slog.wtf(TAG, "Bad chain @" + endIndex
+ ": task " + cur + " has previous affiliate "
+ cur.mPrevAffiliate + " but should be id "
+ cur.mPrevAffiliate);
sane = false;
break;
}
}
if (cur.mAffiliatedTaskId != task.mAffiliatedTaskId) {
Slog.wtf(TAG, "Bad chain @" + endIndex
+ ": task " + cur + " has affiliated id "
+ cur.mAffiliatedTaskId + " but should be "
+ task.mAffiliatedTaskId);
sane = false;
break;
}
prev = cur;
endIndex++;
if (endIndex >= N) {
Slog.wtf(TAG, "Bad chain ran off index " + endIndex
+ ": last task " + prev);
sane = false;
break;
}
}
if (sane) {
if (endIndex < taskIndex) {
Slog.wtf(TAG, "Bad chain @" + endIndex
+ ": did not extend to task " + task + " @" + taskIndex);
sane = false;
}
}
if (sane) {
// All looks good, we can just move all of the affiliated tasks
// to the top.
for (int i=topIndex; i<=endIndex; i++) {
if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: moving affiliated " + task
+ " from " + i + " to " + (i-topIndex));
TaskRecord cur = mRecentTasks.remove(i);
mRecentTasks.add(i-topIndex, cur);
}
if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: done moving tasks " + topIndex
+ " to " + endIndex);
return true;
}
// Whoops, couldn't do it.
return false;
}
final void addRecentTaskLocked(TaskRecord task) {
final boolean isAffiliated = task.mAffiliatedTaskId != task.taskId
|| task.mNextAffiliateTaskId != INVALID_TASK_ID
|| task.mPrevAffiliateTaskId != INVALID_TASK_ID;
int N = mRecentTasks.size();
// Quick case: check if the top-most recent task is the same.
if (!isAffiliated && N > 0 && mRecentTasks.get(0) == task) {
if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: already at top: " + task);
return;
}
// Another quick case: check if this is part of a set of affiliated
// tasks that are at the top.
if (isAffiliated && N > 0 && task.inRecents
&& task.mAffiliatedTaskId == mRecentTasks.get(0).mAffiliatedTaskId) {
if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: affiliated " + mRecentTasks.get(0)
+ " at top when adding " + task);
return;
}
// Another quick case: never add voice sessions.
if (task.voiceSession != null) {
if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: not adding voice interaction " + task);
return;
}
boolean needAffiliationFix = false;
// Slightly less quick case: the task is already in recents, so all we need
// to do is move it.
if (task.inRecents) {
int taskIndex = mRecentTasks.indexOf(task);
if (taskIndex >= 0) {
if (!isAffiliated) {
// Simple case: this is not an affiliated task, so we just move it to the front.
mRecentTasks.remove(taskIndex);
mRecentTasks.add(0, task);
notifyTaskPersisterLocked(task, false);
if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: moving to top " + task
+ " from " + taskIndex);
return;
} else {
// More complicated: need to keep all affiliated tasks together.
if (moveAffiliatedTasksToFront(task, taskIndex)) {
// All went well.
return;
}
// Uh oh... something bad in the affiliation chain, try to rebuild
// everything and then go through our general path of adding a new task.
needAffiliationFix = true;
}
} else {
Slog.wtf(TAG, "Task with inRecent not in recents: " + task);
needAffiliationFix = true;
}
}
if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: trimming tasks for " + task);
trimRecentsForTaskLocked(task, true);
N = mRecentTasks.size();
while (N >= ActivityManager.getMaxRecentTasksStatic()) {
final TaskRecord tr = mRecentTasks.remove(N - 1);
tr.removedFromRecents();
N--;
}
task.inRecents = true;
if (!isAffiliated || needAffiliationFix) {
// If this is a simple non-affiliated task, or we had some failure trying to
// handle it as part of an affilated task, then just place it at the top.
mRecentTasks.add(0, task);
} else if (isAffiliated) {
// If this is a new affiliated task, then move all of the affiliated tasks
// to the front and insert this new one.
TaskRecord other = task.mNextAffiliate;
if (other == null) {
other = task.mPrevAffiliate;
}
if (other != null) {
int otherIndex = mRecentTasks.indexOf(other);
if (otherIndex >= 0) {
// Insert new task at appropriate location.
int taskIndex;
if (other == task.mNextAffiliate) {
// We found the index of our next affiliation, which is who is
// before us in the list, so add after that point.
taskIndex = otherIndex+1;
} else {
// We found the index of our previous affiliation, which is who is
// after us in the list, so add at their position.
taskIndex = otherIndex;
}
if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: new affiliated task added at "
+ taskIndex + ": " + task);
mRecentTasks.add(taskIndex, task);
// Now move everything to the front.
if (moveAffiliatedTasksToFront(task, taskIndex)) {
// All went well.
return;
}
// Uh oh... something bad in the affiliation chain, try to rebuild
// everything and then go through our general path of adding a new task.
needAffiliationFix = true;
} else {
if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: couldn't find other affiliation "
+ other);
needAffiliationFix = true;
}
} else {
if (DEBUG_RECENTS) Slog.d(TAG,
"addRecent: adding affiliated task without next/prev:" + task);
needAffiliationFix = true;
}
}
if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: adding " + task);
if (needAffiliationFix) {
if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: regrouping affiliations");
cleanupRecentTasksLocked(task.userId);
}
}
/**
* If needed, remove oldest existing entries in recents that are for the same kind
* of task as the given one.
*/
int trimRecentsForTaskLocked(TaskRecord task, boolean doTrim) {
int N = mRecentTasks.size();
final Intent intent = task.intent;
final boolean document = intent != null && intent.isDocument();
int maxRecents = task.maxRecents - 1;
for (int i=0; i MAX_RECENT_BITMAPS) {
tr.freeLastThumbnail();
}
final Intent trIntent = tr.intent;
if ((task.affinity == null || !task.affinity.equals(tr.affinity)) &&
(intent == null || !intent.filterEquals(trIntent))) {
continue;
}
final boolean trIsDocument = trIntent != null && trIntent.isDocument();
if (document && trIsDocument) {
// These are the same document activity (not necessarily the same doc).
if (maxRecents > 0) {
--maxRecents;
continue;
}
// Hit the maximum number of documents for this task. Fall through
// and remove this document from recents.
} else if (document || trIsDocument) {
// Only one of these is a document. Not the droid we're looking for.
continue;
}
}
if (!doTrim) {
// If the caller is not actually asking for a trim, just tell them we reached
// a point where the trim would happen.
return i;
}
// Either task and tr are the same or, their affinities match or their intents match
// and neither of them is a document, or they are documents using the same activity
// and their maxRecents has been reached.
tr.disposeThumbnail();
mRecentTasks.remove(i);
if (task != tr) {
tr.removedFromRecents();
}
i--;
N--;
if (task.intent == null) {
// If the new recent task we are adding is not fully
// specified, then replace it with the existing recent task.
task = tr;
}
notifyTaskPersisterLocked(tr, false);
}
return -1;
}
@Override
public void reportActivityFullyDrawn(IBinder token) {
synchronized (this) {
ActivityRecord r = ActivityRecord.isInStackLocked(token);
if (r == null) {
return;
}
r.reportFullyDrawnLocked();
}
}
@Override
public void setRequestedOrientation(IBinder token, int requestedOrientation) {
synchronized (this) {
ActivityRecord r = ActivityRecord.isInStackLocked(token);
if (r == null) {
return;
}
final long origId = Binder.clearCallingIdentity();
mWindowManager.setAppOrientation(r.appToken, requestedOrientation);
Configuration config = mWindowManager.updateOrientationFromAppTokens(
mConfiguration, r.mayFreezeScreenLocked(r.app) ? r.appToken : null);
if (config != null) {
r.frozenBeforeDestroy = true;
if (!updateConfigurationLocked(config, r, false, false)) {
mStackSupervisor.resumeTopActivitiesLocked();
}
}
Binder.restoreCallingIdentity(origId);
}
}
@Override
public int getRequestedOrientation(IBinder token) {
synchronized (this) {
ActivityRecord r = ActivityRecord.isInStackLocked(token);
if (r == null) {
return ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
}
return mWindowManager.getAppOrientation(r.appToken);
}
}
/**
* This is the internal entry point for handling Activity.finish().
*
* @param token The Binder token referencing the Activity we want to finish.
* @param resultCode Result code, if any, from this Activity.
* @param resultData Result data (Intent), if any, from this Activity.
* @param finishTask Whether to finish the task associated with this Activity. Only applies to
* the root Activity in the task.
*
* @return Returns true if the activity successfully finished, or false if it is still running.
*/
@Override
public final boolean finishActivity(IBinder token, int resultCode, Intent resultData,
boolean finishTask) {
// Refuse possible leaked file descriptors
if (resultData != null && resultData.hasFileDescriptors() == true) {
throw new IllegalArgumentException("File descriptors passed in Intent");
}
synchronized(this) {
ActivityRecord r = ActivityRecord.isInStackLocked(token);
if (r == null) {
return true;
}
// Keep track of the root activity of the task before we finish it
TaskRecord tr = r.task;
ActivityRecord rootR = tr.getRootActivity();
if (rootR == null) {
Slog.w(TAG, "Finishing task with all activities already finished");
}
// Do not allow task to finish in Lock Task mode.
if (tr == mStackSupervisor.mLockTaskModeTask) {
if (rootR == r) {
Slog.i(TAG, "Not finishing task in lock task mode");
mStackSupervisor.showLockTaskToast();
return false;
}
}
if (mController != null) {
// Find the first activity that is not finishing.
ActivityRecord next = r.task.stack.topRunningActivityLocked(token, 0);
if (next != null) {
// ask watcher if this is allowed
boolean resumeOK = true;
try {
resumeOK = mController.activityResuming(next.packageName);
} catch (RemoteException e) {
mController = null;
Watchdog.getInstance().setActivityController(null);
}
if (!resumeOK) {
Slog.i(TAG, "Not finishing activity because controller resumed");
return false;
}
}
}
final long origId = Binder.clearCallingIdentity();
try {
boolean res;
if (finishTask && r == rootR) {
// If requested, remove the task that is associated to this activity only if it
// was the root activity in the task. The result code and data is ignored
// because we don't support returning them across task boundaries.
res = removeTaskByIdLocked(tr.taskId, false);
if (!res) {
Slog.i(TAG, "Removing task failed to finish activity");
}
} else {
res = tr.stack.requestFinishActivityLocked(token, resultCode,
resultData, "app-request", true);
if (!res) {
Slog.i(TAG, "Failed to finish by app-request");
}
}
return res;
} finally {
Binder.restoreCallingIdentity(origId);
}
}
}
@Override
public final void finishHeavyWeightApp() {
if (checkCallingPermission(android.Manifest.permission.FORCE_STOP_PACKAGES)
!= PackageManager.PERMISSION_GRANTED) {
String msg = "Permission Denial: finishHeavyWeightApp() from pid="
+ Binder.getCallingPid()
+ ", uid=" + Binder.getCallingUid()
+ " requires " + android.Manifest.permission.FORCE_STOP_PACKAGES;
Slog.w(TAG, msg);
throw new SecurityException(msg);
}
synchronized(this) {
if (mHeavyWeightProcess == null) {
return;
}
ArrayList activities = new ArrayList(
mHeavyWeightProcess.activities);
for (int i=0; i 0) {
ProcessList.remove(pid);
}
}
if (mProfileProc == app) {
clearProfilerLocked();
}
// Remove this application's activities from active lists.
boolean hasVisibleActivities = mStackSupervisor.handleAppDiedLocked(app);
app.activities.clear();
if (app.instrumentationClass != null) {
Slog.w(TAG, "Crash of app " + app.processName
+ " running instrumentation " + app.instrumentationClass);
Bundle info = new Bundle();
info.putString("shortMsg", "Process crashed.");
finishInstrumentationLocked(app, Activity.RESULT_CANCELED, info);
}
if (!restarting) {
if (!mStackSupervisor.resumeTopActivitiesLocked()) {
// If there was nothing to resume, and we are not already
// restarting this process, but there is a visible activity that
// is hosted by the process... then make sure all visible
// activities are running, taking care of restarting this
// process.
if (hasVisibleActivities) {
mStackSupervisor.ensureActivitiesVisibleLocked(null, 0);
}
}
}
}
private final int getLRURecordIndexForAppLocked(IApplicationThread thread) {
IBinder threadBinder = thread.asBinder();
// Find the application record.
for (int i=mLruProcesses.size()-1; i>=0; i--) {
ProcessRecord rec = mLruProcesses.get(i);
if (rec.thread != null && rec.thread.asBinder() == threadBinder) {
return i;
}
}
return -1;
}
final ProcessRecord getRecordForAppLocked(
IApplicationThread thread) {
if (thread == null) {
return null;
}
int appIndex = getLRURecordIndexForAppLocked(thread);
return appIndex >= 0 ? mLruProcesses.get(appIndex) : null;
}
final void doLowMemReportIfNeededLocked(ProcessRecord dyingProc) {
// If there are no longer any background processes running,
// and the app that died was not running instrumentation,
// then tell everyone we are now low on memory.
boolean haveBg = false;
for (int i=mLruProcesses.size()-1; i>=0; i--) {
ProcessRecord rec = mLruProcesses.get(i);
if (rec.thread != null
&& rec.setProcState >= ActivityManager.PROCESS_STATE_CACHED_ACTIVITY) {
haveBg = true;
break;
}
}
if (!haveBg) {
boolean doReport = "1".equals(SystemProperties.get(SYSTEM_DEBUGGABLE, "0"));
if (doReport) {
long now = SystemClock.uptimeMillis();
if (now < (mLastMemUsageReportTime+5*60*1000)) {
doReport = false;
} else {
mLastMemUsageReportTime = now;
}
}
final ArrayList memInfos
= doReport ? new ArrayList(mLruProcesses.size()) : null;
EventLog.writeEvent(EventLogTags.AM_LOW_MEMORY, mLruProcesses.size());
long now = SystemClock.uptimeMillis();
for (int i=mLruProcesses.size()-1; i>=0; i--) {
ProcessRecord rec = mLruProcesses.get(i);
if (rec == dyingProc || rec.thread == null) {
continue;
}
if (doReport) {
memInfos.add(new ProcessMemInfo(rec.processName, rec.pid, rec.setAdj,
rec.setProcState, rec.adjType, rec.makeAdjReason()));
}
if ((rec.lastLowMemory+GC_MIN_INTERVAL) <= now) {
// The low memory report is overriding any current
// state for a GC request. Make sure to do
// heavy/important/visible/foreground processes first.
if (rec.setAdj <= ProcessList.HEAVY_WEIGHT_APP_ADJ) {
rec.lastRequestedGc = 0;
} else {
rec.lastRequestedGc = rec.lastLowMemory;
}
rec.reportLowMemory = true;
rec.lastLowMemory = now;
mProcessesToGc.remove(rec);
addProcessToGcListLocked(rec);
}
}
if (doReport) {
Message msg = mHandler.obtainMessage(REPORT_MEM_USAGE_MSG, memInfos);
mHandler.sendMessage(msg);
}
scheduleAppGcsLocked();
}
}
final void appDiedLocked(ProcessRecord app) {
appDiedLocked(app, app.pid, app.thread);
}
final void appDiedLocked(ProcessRecord app, int pid, IApplicationThread thread) {
// First check if this ProcessRecord is actually active for the pid.
synchronized (mPidsSelfLocked) {
ProcessRecord curProc = mPidsSelfLocked.get(pid);
if (curProc != app) {
Slog.w(TAG, "Spurious death for " + app + ", curProc for " + pid + ": " + curProc);
return;
}
}
BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics();
synchronized (stats) {
stats.noteProcessDiedLocked(app.info.uid, pid);
}
if (!app.killed) {
Process.killProcessQuiet(pid);
Process.killProcessGroup(app.info.uid, pid);
app.killed = true;
}
// Clean up already done if the process has been re-started.
if (app.pid == pid && app.thread != null &&
app.thread.asBinder() == thread.asBinder()) {
boolean doLowMem = app.instrumentationClass == null;
boolean doOomAdj = doLowMem;
if (!app.killedByAm) {
Slog.i(TAG, "Process " + app.processName + " (pid " + pid
+ ") has died");
mAllowLowerMemLevel = true;
} else {
// Note that we always want to do oom adj to update our state with the
// new number of procs.
mAllowLowerMemLevel = false;
doLowMem = false;
}
EventLog.writeEvent(EventLogTags.AM_PROC_DIED, app.userId, app.pid, app.processName);
if (DEBUG_CLEANUP) Slog.v(
TAG, "Dying app: " + app + ", pid: " + pid
+ ", thread: " + thread.asBinder());
handleAppDiedLocked(app, false, true);
if (doOomAdj) {
updateOomAdjLocked();
}
if (doLowMem) {
doLowMemReportIfNeededLocked(app);
}
} else if (app.pid != pid) {
// A new process has already been started.
Slog.i(TAG, "Process " + app.processName + " (pid " + pid
+ ") has died and restarted (pid " + app.pid + ").");
EventLog.writeEvent(EventLogTags.AM_PROC_DIED, app.userId, app.pid, app.processName);
} else if (DEBUG_PROCESSES) {
Slog.d(TAG, "Received spurious death notification for thread "
+ thread.asBinder());
}
}
/**
* If a stack trace dump file is configured, dump process stack traces.
* @param clearTraces causes the dump file to be erased prior to the new
* traces being written, if true; when false, the new traces will be
* appended to any existing file content.
* @param firstPids of dalvik VM processes to dump stack traces for first
* @param lastPids of dalvik VM processes to dump stack traces for last
* @param nativeProcs optional list of native process names to dump stack crawls
* @return file containing stack traces, or null if no dump file is configured
*/
public static File dumpStackTraces(boolean clearTraces, ArrayList firstPids,
ProcessCpuTracker processCpuTracker, SparseArray lastPids, String[] nativeProcs) {
String tracesPath = SystemProperties.get("dalvik.vm.stack-trace-file", null);
if (tracesPath == null || tracesPath.length() == 0) {
return null;
}
File tracesFile = new File(tracesPath);
try {
File tracesDir = tracesFile.getParentFile();
if (!tracesDir.exists()) {
tracesDir.mkdirs();
if (!SELinux.restorecon(tracesDir)) {
return null;
}
}
FileUtils.setPermissions(tracesDir.getPath(), 0775, -1, -1); // drwxrwxr-x
if (clearTraces && tracesFile.exists()) tracesFile.delete();
tracesFile.createNewFile();
FileUtils.setPermissions(tracesFile.getPath(), 0666, -1, -1); // -rw-rw-rw-
} catch (IOException e) {
Slog.w(TAG, "Unable to prepare ANR traces file: " + tracesPath, e);
return null;
}
dumpStackTraces(tracesPath, firstPids, processCpuTracker, lastPids, nativeProcs);
return tracesFile;
}
private static void dumpStackTraces(String tracesPath, ArrayList firstPids,
ProcessCpuTracker processCpuTracker, SparseArray lastPids, String[] nativeProcs) {
// Use a FileObserver to detect when traces finish writing.
// The order of traces is considered important to maintain for legibility.
FileObserver observer = new FileObserver(tracesPath, FileObserver.CLOSE_WRITE) {
@Override
public synchronized void onEvent(int event, String path) { notify(); }
};
try {
observer.startWatching();
// First collect all of the stacks of the most important pids.
if (firstPids != null) {
try {
int num = firstPids.size();
for (int i = 0; i < num; i++) {
synchronized (observer) {
Process.sendSignal(firstPids.get(i), Process.SIGNAL_QUIT);
observer.wait(200); // Wait for write-close, give up after 200msec
}
}
} catch (InterruptedException e) {
Slog.wtf(TAG, e);
}
}
// Next collect the stacks of the native pids
if (nativeProcs != null) {
int[] pids = Process.getPidsForCommands(nativeProcs);
if (pids != null) {
for (int pid : pids) {
Debug.dumpNativeBacktraceToFile(pid, tracesPath);
}
}
}
// Lastly, measure CPU usage.
if (processCpuTracker != null) {
processCpuTracker.init();
System.gc();
processCpuTracker.update();
try {
synchronized (processCpuTracker) {
processCpuTracker.wait(500); // measure over 1/2 second.
}
} catch (InterruptedException e) {
}
processCpuTracker.update();
// We'll take the stack crawls of just the top apps using CPU.
final int N = processCpuTracker.countWorkingStats();
int numProcs = 0;
for (int i=0; i= 0) {
numProcs++;
try {
synchronized (observer) {
Process.sendSignal(stats.pid, Process.SIGNAL_QUIT);
observer.wait(200); // Wait for write-close, give up after 200msec
}
} catch (InterruptedException e) {
Slog.wtf(TAG, e);
}
}
}
}
} finally {
observer.stopWatching();
}
}
final void logAppTooSlow(ProcessRecord app, long startTime, String msg) {
if (true || IS_USER_BUILD) {
return;
}
String tracesPath = SystemProperties.get("dalvik.vm.stack-trace-file", null);
if (tracesPath == null || tracesPath.length() == 0) {
return;
}
StrictMode.ThreadPolicy oldPolicy = StrictMode.allowThreadDiskReads();
StrictMode.allowThreadDiskWrites();
try {
final File tracesFile = new File(tracesPath);
final File tracesDir = tracesFile.getParentFile();
final File tracesTmp = new File(tracesDir, "__tmp__");
try {
if (!tracesDir.exists()) {
tracesDir.mkdirs();
if (!SELinux.restorecon(tracesDir.getPath())) {
return;
}
}
FileUtils.setPermissions(tracesDir.getPath(), 0775, -1, -1); // drwxrwxr-x
if (tracesFile.exists()) {
tracesTmp.delete();
tracesFile.renameTo(tracesTmp);
}
StringBuilder sb = new StringBuilder();
Time tobj = new Time();
tobj.set(System.currentTimeMillis());
sb.append(tobj.format("%Y-%m-%d %H:%M:%S"));
sb.append(": ");
TimeUtils.formatDuration(SystemClock.uptimeMillis()-startTime, sb);
sb.append(" since ");
sb.append(msg);
FileOutputStream fos = new FileOutputStream(tracesFile);
fos.write(sb.toString().getBytes());
if (app == null) {
fos.write("\n*** No application process!".getBytes());
}
fos.close();
FileUtils.setPermissions(tracesFile.getPath(), 0666, -1, -1); // -rw-rw-rw-
} catch (IOException e) {
Slog.w(TAG, "Unable to prepare slow app traces file: " + tracesPath, e);
return;
}
if (app != null) {
ArrayList firstPids = new ArrayList();
firstPids.add(app.pid);
dumpStackTraces(tracesPath, firstPids, null, null, null);
}
File lastTracesFile = null;
File curTracesFile = null;
for (int i=9; i>=0; i--) {
String name = String.format(Locale.US, "slow%02d.txt", i);
curTracesFile = new File(tracesDir, name);
if (curTracesFile.exists()) {
if (lastTracesFile != null) {
curTracesFile.renameTo(lastTracesFile);
} else {
curTracesFile.delete();
}
}
lastTracesFile = curTracesFile;
}
tracesFile.renameTo(curTracesFile);
if (tracesTmp.exists()) {
tracesTmp.renameTo(tracesFile);
}
} finally {
StrictMode.setThreadPolicy(oldPolicy);
}
}
final void appNotResponding(ProcessRecord app, ActivityRecord activity,
ActivityRecord parent, boolean aboveSystem, final String annotation) {
ArrayList firstPids = new ArrayList(5);
SparseArray lastPids = new SparseArray(20);
if (mController != null) {
try {
// 0 == continue, -1 = kill process immediately
int res = mController.appEarlyNotResponding(app.processName, app.pid, annotation);
if (res < 0 && app.pid != MY_PID) {
app.kill("anr", true);
}
} catch (RemoteException e) {
mController = null;
Watchdog.getInstance().setActivityController(null);
}
}
long anrTime = SystemClock.uptimeMillis();
if (MONITOR_CPU_USAGE) {
updateCpuStatsNow();
}
synchronized (this) {
// PowerManager.reboot() can block for a long time, so ignore ANRs while shutting down.
if (mShuttingDown) {
Slog.i(TAG, "During shutdown skipping ANR: " + app + " " + annotation);
return;
} else if (app.notResponding) {
Slog.i(TAG, "Skipping duplicate ANR: " + app + " " + annotation);
return;
} else if (app.crashing) {
Slog.i(TAG, "Crashing app skipping ANR: " + app + " " + annotation);
return;
}
// In case we come through here for the same app before completing
// this one, mark as anring now so we will bail out.
app.notResponding = true;
// Log the ANR to the event log.
EventLog.writeEvent(EventLogTags.AM_ANR, app.userId, app.pid,
app.processName, app.info.flags, annotation);
// Dump thread traces as quickly as we can, starting with "interesting" processes.
firstPids.add(app.pid);
int parentPid = app.pid;
if (parent != null && parent.app != null && parent.app.pid > 0) parentPid = parent.app.pid;
if (parentPid != app.pid) firstPids.add(parentPid);
if (MY_PID != app.pid && MY_PID != parentPid) firstPids.add(MY_PID);
for (int i = mLruProcesses.size() - 1; i >= 0; i--) {
ProcessRecord r = mLruProcesses.get(i);
if (r != null && r.thread != null) {
int pid = r.pid;
if (pid > 0 && pid != app.pid && pid != parentPid && pid != MY_PID) {
if (r.persistent) {
firstPids.add(pid);
} else {
lastPids.put(pid, Boolean.TRUE);
}
}
}
}
}
// Log the ANR to the main log.
StringBuilder info = new StringBuilder();
info.setLength(0);
info.append("ANR in ").append(app.processName);
if (activity != null && activity.shortComponentName != null) {
info.append(" (").append(activity.shortComponentName).append(")");
}
info.append("\n");
info.append("PID: ").append(app.pid).append("\n");
if (annotation != null) {
info.append("Reason: ").append(annotation).append("\n");
}
if (parent != null && parent != activity) {
info.append("Parent: ").append(parent.shortComponentName).append("\n");
}
final ProcessCpuTracker processCpuTracker = new ProcessCpuTracker(true);
File tracesFile = dumpStackTraces(true, firstPids, processCpuTracker, lastPids,
NATIVE_STACKS_OF_INTEREST);
String cpuInfo = null;
if (MONITOR_CPU_USAGE) {
updateCpuStatsNow();
synchronized (mProcessCpuTracker) {
cpuInfo = mProcessCpuTracker.printCurrentState(anrTime);
}
info.append(processCpuTracker.printCurrentLoad());
info.append(cpuInfo);
}
info.append(processCpuTracker.printCurrentState(anrTime));
Slog.e(TAG, info.toString());
if (tracesFile == null) {
// There is no trace file, so dump (only) the alleged culprit's threads to the log
Process.sendSignal(app.pid, Process.SIGNAL_QUIT);
}
addErrorToDropBox("anr", app, app.processName, activity, parent, annotation,
cpuInfo, tracesFile, null);
if (mController != null) {
try {
// 0 == show dialog, 1 = keep waiting, -1 = kill process immediately
int res = mController.appNotResponding(app.processName, app.pid, info.toString());
if (res != 0) {
if (res < 0 && app.pid != MY_PID) {
app.kill("anr", true);
} else {
synchronized (this) {
mServices.scheduleServiceTimeoutLocked(app);
}
}
return;
}
} catch (RemoteException e) {
mController = null;
Watchdog.getInstance().setActivityController(null);
}
}
// Unless configured otherwise, swallow ANRs in background processes & kill the process.
boolean showBackground = Settings.Secure.getInt(mContext.getContentResolver(),
Settings.Secure.ANR_SHOW_BACKGROUND, 0) != 0;
synchronized (this) {
mBatteryStatsService.noteProcessAnr(app.processName, app.uid);
if (!showBackground && !app.isInterestingToUserLocked() && app.pid != MY_PID) {
app.kill("bg anr", true);
return;
}
// Set the app's notResponding state, and look up the errorReportReceiver
makeAppNotRespondingLocked(app,
activity != null ? activity.shortComponentName : null,
annotation != null ? "ANR " + annotation : "ANR",
info.toString());
// Bring up the infamous App Not Responding dialog
Message msg = Message.obtain();
HashMap map = new HashMap();
msg.what = SHOW_NOT_RESPONDING_MSG;
msg.obj = map;
msg.arg1 = aboveSystem ? 1 : 0;
map.put("app", app);
if (activity != null) {
map.put("activity", activity);
}
mHandler.sendMessage(msg);
}
}
final void showLaunchWarningLocked(final ActivityRecord cur, final ActivityRecord next) {
if (!mLaunchWarningShown) {
mLaunchWarningShown = true;
mHandler.post(new Runnable() {
@Override
public void run() {
synchronized (ActivityManagerService.this) {
final Dialog d = new LaunchWarningWindow(mContext, cur, next);
d.show();
mHandler.postDelayed(new Runnable() {
@Override
public void run() {
synchronized (ActivityManagerService.this) {
d.dismiss();
mLaunchWarningShown = false;
}
}
}, 4000);
}
}
});
}
}
@Override
public boolean clearApplicationUserData(final String packageName,
final IPackageDataObserver observer, int userId) {
enforceNotIsolatedCaller("clearApplicationUserData");
int uid = Binder.getCallingUid();
int pid = Binder.getCallingPid();
userId = handleIncomingUser(pid, uid,
userId, false, ALLOW_FULL_ONLY, "clearApplicationUserData", null);
long callingId = Binder.clearCallingIdentity();
try {
IPackageManager pm = AppGlobals.getPackageManager();
int pkgUid = -1;
synchronized(this) {
try {
pkgUid = pm.getPackageUid(packageName, userId);
} catch (RemoteException e) {
}
if (pkgUid == -1) {
Slog.w(TAG, "Invalid packageName: " + packageName);
if (observer != null) {
try {
observer.onRemoveCompleted(packageName, false);
} catch (RemoteException e) {
Slog.i(TAG, "Observer no longer exists.");
}
}
return false;
}
if (uid == pkgUid || checkComponentPermission(
android.Manifest.permission.CLEAR_APP_USER_DATA,
pid, uid, -1, true)
== PackageManager.PERMISSION_GRANTED) {
forceStopPackageLocked(packageName, pkgUid, "clear data");
} else {
throw new SecurityException("PID " + pid + " does not have permission "
+ android.Manifest.permission.CLEAR_APP_USER_DATA + " to clear data"
+ " of package " + packageName);
}
// Remove all tasks match the cleared application package and user
for (int i = mRecentTasks.size() - 1; i >= 0; i--) {
final TaskRecord tr = mRecentTasks.get(i);
final String taskPackageName =
tr.getBaseIntent().getComponent().getPackageName();
if (tr.userId != userId) continue;
if (!taskPackageName.equals(packageName)) continue;
removeTaskByIdLocked(tr.taskId, false);
}
}
try {
// Clear application user data
pm.clearApplicationUserData(packageName, observer, userId);
synchronized(this) {
// Remove all permissions granted from/to this package
removeUriPermissionsForPackageLocked(packageName, userId, true);
}
Intent intent = new Intent(Intent.ACTION_PACKAGE_DATA_CLEARED,
Uri.fromParts("package", packageName, null));
intent.putExtra(Intent.EXTRA_UID, pkgUid);
broadcastIntentInPackage("android", Process.SYSTEM_UID, intent,
null, null, 0, null, null, null, false, false, userId);
} catch (RemoteException e) {
}
} finally {
Binder.restoreCallingIdentity(callingId);
}
return true;
}
@Override
public void killBackgroundProcesses(final String packageName, int userId) {
if (checkCallingPermission(android.Manifest.permission.KILL_BACKGROUND_PROCESSES)
!= PackageManager.PERMISSION_GRANTED &&
checkCallingPermission(android.Manifest.permission.RESTART_PACKAGES)
!= PackageManager.PERMISSION_GRANTED) {
String msg = "Permission Denial: killBackgroundProcesses() from pid="
+ Binder.getCallingPid()
+ ", uid=" + Binder.getCallingUid()
+ " requires " + android.Manifest.permission.KILL_BACKGROUND_PROCESSES;
Slog.w(TAG, msg);
throw new SecurityException(msg);
}
userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(),
userId, true, ALLOW_FULL_ONLY, "killBackgroundProcesses", null);
long callingId = Binder.clearCallingIdentity();
try {
IPackageManager pm = AppGlobals.getPackageManager();
synchronized(this) {
int appId = -1;
try {
appId = UserHandle.getAppId(pm.getPackageUid(packageName, 0));
} catch (RemoteException e) {
}
if (appId == -1) {
Slog.w(TAG, "Invalid packageName: " + packageName);
return;
}
killPackageProcessesLocked(packageName, appId, userId,
ProcessList.SERVICE_ADJ, false, true, true, false, "kill background");
}
} finally {
Binder.restoreCallingIdentity(callingId);
}
}
@Override
public void killAllBackgroundProcesses() {
if (checkCallingPermission(android.Manifest.permission.KILL_BACKGROUND_PROCESSES)
!= PackageManager.PERMISSION_GRANTED) {
String msg = "Permission Denial: killAllBackgroundProcesses() from pid="
+ Binder.getCallingPid()
+ ", uid=" + Binder.getCallingUid()
+ " requires " + android.Manifest.permission.KILL_BACKGROUND_PROCESSES;
Slog.w(TAG, msg);
throw new SecurityException(msg);
}
long callingId = Binder.clearCallingIdentity();
try {
synchronized(this) {
ArrayList procs = new ArrayList();
final int NP = mProcessNames.getMap().size();
for (int ip=0; ip apps = mProcessNames.getMap().valueAt(ip);
final int NA = apps.size();
for (int ia=0; ia= ProcessList.CACHED_APP_MIN_ADJ) {
app.removed = true;
procs.add(app);
}
}
}
int N = procs.size();
for (int i=0; i(1);
}
proc.pkgDeps.add(packageName);
}
}
}
/*
* The pkg name and app id have to be specified.
*/
@Override
public void killApplicationWithAppId(String pkg, int appid, String reason) {
if (pkg == null) {
return;
}
// Make sure the uid is valid.
if (appid < 0) {
Slog.w(TAG, "Invalid appid specified for pkg : " + pkg);
return;
}
int callerUid = Binder.getCallingUid();
// Only the system server can kill an application
if (callerUid == Process.SYSTEM_UID) {
// Post an aysnc message to kill the application
Message msg = mHandler.obtainMessage(KILL_APPLICATION_MSG);
msg.arg1 = appid;
msg.arg2 = 0;
Bundle bundle = new Bundle();
bundle.putString("pkg", pkg);
bundle.putString("reason", reason);
msg.obj = bundle;
mHandler.sendMessage(msg);
} else {
throw new SecurityException(callerUid + " cannot kill pkg: " +
pkg);
}
}
@Override
public void closeSystemDialogs(String reason) {
enforceNotIsolatedCaller("closeSystemDialogs");
final int pid = Binder.getCallingPid();
final int uid = Binder.getCallingUid();
final long origId = Binder.clearCallingIdentity();
try {
synchronized (this) {
// Only allow this from foreground processes, so that background
// applications can't abuse it to prevent system UI from being shown.
if (uid >= Process.FIRST_APPLICATION_UID) {
ProcessRecord proc;
synchronized (mPidsSelfLocked) {
proc = mPidsSelfLocked.get(pid);
}
if (proc.curRawAdj > ProcessList.PERCEPTIBLE_APP_ADJ) {
Slog.w(TAG, "Ignoring closeSystemDialogs " + reason
+ " from background process " + proc);
return;
}
}
closeSystemDialogsLocked(reason);
}
} finally {
Binder.restoreCallingIdentity(origId);
}
}
void closeSystemDialogsLocked(String reason) {
Intent intent = new Intent(Intent.ACTION_CLOSE_SYSTEM_DIALOGS);
intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY
| Intent.FLAG_RECEIVER_FOREGROUND);
if (reason != null) {
intent.putExtra("reason", reason);
}
mWindowManager.closeSystemDialogs(reason);
mStackSupervisor.closeSystemDialogsLocked();
broadcastIntentLocked(null, null, intent, null,
null, 0, null, null, null, AppOpsManager.OP_NONE, false, false, -1,
Process.SYSTEM_UID, UserHandle.USER_ALL);
}
@Override
public Debug.MemoryInfo[] getProcessMemoryInfo(int[] pids) {
enforceNotIsolatedCaller("getProcessMemoryInfo");
Debug.MemoryInfo[] infos = new Debug.MemoryInfo[pids.length];
for (int i=pids.length-1; i>=0; i--) {
ProcessRecord proc;
int oomAdj;
synchronized (this) {
synchronized (mPidsSelfLocked) {
proc = mPidsSelfLocked.get(pids[i]);
oomAdj = proc != null ? proc.setAdj : 0;
}
}
infos[i] = new Debug.MemoryInfo();
Debug.getMemoryInfo(pids[i], infos[i]);
if (proc != null) {
synchronized (this) {
if (proc.thread != null && proc.setAdj == oomAdj) {
// Record this for posterity if the process has been stable.
proc.baseProcessTracker.addPss(infos[i].getTotalPss(),
infos[i].getTotalUss(), false, proc.pkgList);
}
}
}
}
return infos;
}
@Override
public long[] getProcessPss(int[] pids) {
enforceNotIsolatedCaller("getProcessPss");
long[] pss = new long[pids.length];
for (int i=pids.length-1; i>=0; i--) {
ProcessRecord proc;
int oomAdj;
synchronized (this) {
synchronized (mPidsSelfLocked) {
proc = mPidsSelfLocked.get(pids[i]);
oomAdj = proc != null ? proc.setAdj : 0;
}
}
long[] tmpUss = new long[1];
pss[i] = Debug.getPss(pids[i], tmpUss, null);
if (proc != null) {
synchronized (this) {
if (proc.thread != null && proc.setAdj == oomAdj) {
// Record this for posterity if the process has been stable.
proc.baseProcessTracker.addPss(pss[i], tmpUss[0], false, proc.pkgList);
}
}
}
}
return pss;
}
@Override
public void killApplicationProcess(String processName, int uid) {
if (processName == null) {
return;
}
int callerUid = Binder.getCallingUid();
// Only the system server can kill an application
if (callerUid == Process.SYSTEM_UID) {
synchronized (this) {
ProcessRecord app = getProcessRecordLocked(processName, uid, true);
if (app != null && app.thread != null) {
try {
app.thread.scheduleSuicide();
} catch (RemoteException e) {
// If the other end already died, then our work here is done.
}
} else {
Slog.w(TAG, "Process/uid not found attempting kill of "
+ processName + " / " + uid);
}
}
} else {
throw new SecurityException(callerUid + " cannot kill app process: " +
processName);
}
}
private void forceStopPackageLocked(final String packageName, int uid, String reason) {
forceStopPackageLocked(packageName, UserHandle.getAppId(uid), false,
false, true, false, false, UserHandle.getUserId(uid), reason);
Intent intent = new Intent(Intent.ACTION_PACKAGE_RESTARTED,
Uri.fromParts("package", packageName, null));
if (!mProcessesReady) {
intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY
| Intent.FLAG_RECEIVER_FOREGROUND);
}
intent.putExtra(Intent.EXTRA_UID, uid);
intent.putExtra(Intent.EXTRA_USER_HANDLE, UserHandle.getUserId(uid));
broadcastIntentLocked(null, null, intent,
null, null, 0, null, null, null, AppOpsManager.OP_NONE,
false, false,
MY_PID, Process.SYSTEM_UID, UserHandle.getUserId(uid));
}
private void forceStopUserLocked(int userId, String reason) {
forceStopPackageLocked(null, -1, false, false, true, false, false, userId, reason);
Intent intent = new Intent(Intent.ACTION_USER_STOPPED);
intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY
| Intent.FLAG_RECEIVER_FOREGROUND);
intent.putExtra(Intent.EXTRA_USER_HANDLE, userId);
broadcastIntentLocked(null, null, intent,
null, null, 0, null, null, null, AppOpsManager.OP_NONE,
false, false,
MY_PID, Process.SYSTEM_UID, UserHandle.USER_ALL);
}
private final boolean killPackageProcessesLocked(String packageName, int appId,
int userId, int minOomAdj, boolean callerWillRestart, boolean allowRestart,
boolean doit, boolean evenPersistent, String reason) {
ArrayList procs = new ArrayList();
// Remove all processes this package may have touched: all with the
// same UID (except for the system or root user), and all whose name
// matches the package name.
final int NP = mProcessNames.getMap().size();
for (int ip=0; ip apps = mProcessNames.getMap().valueAt(ip);
final int NA = apps.size();
for (int ia=0; ia= 0 && UserHandle.getAppId(app.uid) != appId) {
continue;
}
// Package has been specified, we want to hit all processes
// that match it. We need to qualify this by the processes
// that are running under the specified app and user ID.
} else {
final boolean isDep = app.pkgDeps != null
&& app.pkgDeps.contains(packageName);
if (!isDep && UserHandle.getAppId(app.uid) != appId) {
continue;
}
if (userId != UserHandle.USER_ALL && app.userId != userId) {
continue;
}
if (!app.pkgList.containsKey(packageName) && !isDep) {
continue;
}
}
// Process has passed all conditions, kill it!
if (!doit) {
return true;
}
app.removed = true;
procs.add(app);
}
}
int N = procs.size();
for (int i=0; i 0;
}
private final boolean forceStopPackageLocked(String name, int appId,
boolean callerWillRestart, boolean purgeCache, boolean doit,
boolean evenPersistent, boolean uninstalling, int userId, String reason) {
int i;
int N;
if (userId == UserHandle.USER_ALL && name == null) {
Slog.w(TAG, "Can't force stop all processes of all users, that is insane!");
}
if (appId < 0 && name != null) {
try {
appId = UserHandle.getAppId(
AppGlobals.getPackageManager().getPackageUid(name, 0));
} catch (RemoteException e) {
}
}
if (doit) {
if (name != null) {
Slog.i(TAG, "Force stopping " + name + " appid=" + appId
+ " user=" + userId + ": " + reason);
} else {
Slog.i(TAG, "Force stopping u" + userId + ": " + reason);
}
final ArrayMap> pmap = mProcessCrashTimes.getMap();
for (int ip=pmap.size()-1; ip>=0; ip--) {
SparseArray ba = pmap.valueAt(ip);
for (i=ba.size()-1; i>=0; i--) {
boolean remove = false;
final int entUid = ba.keyAt(i);
if (name != null) {
if (userId == UserHandle.USER_ALL) {
if (UserHandle.getAppId(entUid) == appId) {
remove = true;
}
} else {
if (entUid == UserHandle.getUid(userId, appId)) {
remove = true;
}
}
} else if (UserHandle.getUserId(entUid) == userId) {
remove = true;
}
if (remove) {
ba.removeAt(i);
}
}
if (ba.size() == 0) {
pmap.removeAt(ip);
}
}
}
boolean didSomething = killPackageProcessesLocked(name, appId, userId,
-100, callerWillRestart, true, doit, evenPersistent,
name == null ? ("stop user " + userId) : ("stop " + name));
if (mStackSupervisor.forceStopPackageLocked(name, doit, evenPersistent, userId)) {
if (!doit) {
return true;
}
didSomething = true;
}
if (mServices.forceStopLocked(name, userId, evenPersistent, doit)) {
if (!doit) {
return true;
}
didSomething = true;
}
if (name == null) {
// Remove all sticky broadcasts from this user.
mStickyBroadcasts.remove(userId);
}
ArrayList providers = new ArrayList();
if (mProviderMap.collectForceStopProviders(name, appId, doit, evenPersistent,
userId, providers)) {
if (!doit) {
return true;
}
didSomething = true;
}
N = providers.size();
for (i=0; i 0) {
Iterator> it
= mIntentSenderRecords.values().iterator();
while (it.hasNext()) {
WeakReference wpir = it.next();
if (wpir == null) {
it.remove();
continue;
}
PendingIntentRecord pir = wpir.get();
if (pir == null) {
it.remove();
continue;
}
if (name == null) {
// Stopping user, remove all objects for the user.
if (pir.key.userId != userId) {
// Not the same user, skip it.
continue;
}
} else {
if (UserHandle.getAppId(pir.uid) != appId) {
// Different app id, skip it.
continue;
}
if (userId != UserHandle.USER_ALL && pir.key.userId != userId) {
// Different user, skip it.
continue;
}
if (!pir.key.packageName.equals(name)) {
// Different package, skip it.
continue;
}
}
if (!doit) {
return true;
}
didSomething = true;
it.remove();
pir.canceled = true;
if (pir.key.activity != null && pir.key.activity.pendingResults != null) {
pir.key.activity.pendingResults.remove(pir.ref);
}
}
}
}
if (doit) {
if (purgeCache && name != null) {
AttributeCache ac = AttributeCache.instance();
if (ac != null) {
ac.removePackage(name);
}
}
if (mBooted) {
mStackSupervisor.resumeTopActivitiesLocked();
mStackSupervisor.scheduleIdleLocked();
}
}
return didSomething;
}
private final boolean removeProcessLocked(ProcessRecord app,
boolean callerWillRestart, boolean allowRestart, String reason) {
final String name = app.processName;
final int uid = app.uid;
if (DEBUG_PROCESSES) Slog.d(
TAG, "Force removing proc " + app.toShortString() + " (" + name
+ "/" + uid + ")");
mProcessNames.remove(name, uid);
mIsolatedProcesses.remove(app.uid);
if (mHeavyWeightProcess == app) {
mHandler.sendMessage(mHandler.obtainMessage(CANCEL_HEAVY_NOTIFICATION_MSG,
mHeavyWeightProcess.userId, 0));
mHeavyWeightProcess = null;
}
boolean needRestart = false;
if (app.pid > 0 && app.pid != MY_PID) {
int pid = app.pid;
synchronized (mPidsSelfLocked) {
mPidsSelfLocked.remove(pid);
mHandler.removeMessages(PROC_START_TIMEOUT_MSG, app);
}
mBatteryStatsService.noteProcessFinish(app.processName, app.info.uid);
if (app.isolated) {
mBatteryStatsService.removeIsolatedUid(app.uid, app.info.uid);
}
app.kill(reason, true);
handleAppDiedLocked(app, true, allowRestart);
removeLruProcessLocked(app);
if (app.persistent && !app.isolated) {
if (!callerWillRestart) {
addAppLocked(app.info, false, null /* ABI override */);
} else {
needRestart = true;
}
}
} else {
mRemovedProcesses.add(app);
}
return needRestart;
}
private final void processStartTimedOutLocked(ProcessRecord app) {
final int pid = app.pid;
boolean gone = false;
synchronized (mPidsSelfLocked) {
ProcessRecord knownApp = mPidsSelfLocked.get(pid);
if (knownApp != null && knownApp.thread == null) {
mPidsSelfLocked.remove(pid);
gone = true;
}
}
if (gone) {
Slog.w(TAG, "Process " + app + " failed to attach");
EventLog.writeEvent(EventLogTags.AM_PROCESS_START_TIMEOUT, app.userId,
pid, app.uid, app.processName);
mProcessNames.remove(app.processName, app.uid);
mIsolatedProcesses.remove(app.uid);
if (mHeavyWeightProcess == app) {
mHandler.sendMessage(mHandler.obtainMessage(CANCEL_HEAVY_NOTIFICATION_MSG,
mHeavyWeightProcess.userId, 0));
mHeavyWeightProcess = null;
}
mBatteryStatsService.noteProcessFinish(app.processName, app.info.uid);
if (app.isolated) {
mBatteryStatsService.removeIsolatedUid(app.uid, app.info.uid);
}
// Take care of any launching providers waiting for this process.
checkAppInLaunchingProvidersLocked(app, true);
// Take care of any services that are waiting for the process.
mServices.processStartTimedOutLocked(app);
app.kill("start timeout", true);
if (mBackupTarget != null && mBackupTarget.app.pid == pid) {
Slog.w(TAG, "Unattached app died before backup, skipping");
try {
IBackupManager bm = IBackupManager.Stub.asInterface(
ServiceManager.getService(Context.BACKUP_SERVICE));
bm.agentDisconnected(app.info.packageName);
} catch (RemoteException e) {
// Can't happen; the backup manager is local
}
}
if (isPendingBroadcastProcessLocked(pid)) {
Slog.w(TAG, "Unattached app died before broadcast acknowledged, skipping");
skipPendingBroadcastLocked(pid);
}
} else {
Slog.w(TAG, "Spurious process start timeout - pid not known for " + app);
}
}
private final boolean attachApplicationLocked(IApplicationThread thread,
int pid) {
// Find the application record that is being attached... either via
// the pid if we are running in multiple processes, or just pull the
// next app record if we are emulating process with anonymous threads.
ProcessRecord app;
if (pid != MY_PID && pid >= 0) {
synchronized (mPidsSelfLocked) {
app = mPidsSelfLocked.get(pid);
}
} else {
app = null;
}
if (app == null) {
Slog.w(TAG, "No pending application record for pid " + pid
+ " (IApplicationThread " + thread + "); dropping process");
EventLog.writeEvent(EventLogTags.AM_DROP_PROCESS, pid);
if (pid > 0 && pid != MY_PID) {
Process.killProcessQuiet(pid);
//TODO: Process.killProcessGroup(app.info.uid, pid);
} else {
try {
thread.scheduleExit();
} catch (Exception e) {
// Ignore exceptions.
}
}
return false;
}
// If this application record is still attached to a previous
// process, clean it up now.
if (app.thread != null) {
handleAppDiedLocked(app, true, true);
}
// Tell the process all about itself.
if (localLOGV) Slog.v(
TAG, "Binding process pid " + pid + " to record " + app);
final String processName = app.processName;
try {
AppDeathRecipient adr = new AppDeathRecipient(
app, pid, thread);
thread.asBinder().linkToDeath(adr, 0);
app.deathRecipient = adr;
} catch (RemoteException e) {
app.resetPackageList(mProcessStats);
startProcessLocked(app, "link fail", processName);
return false;
}
EventLog.writeEvent(EventLogTags.AM_PROC_BOUND, app.userId, app.pid, app.processName);
app.makeActive(thread, mProcessStats);
app.curAdj = app.setAdj = -100;
app.curSchedGroup = app.setSchedGroup = Process.THREAD_GROUP_DEFAULT;
app.forcingToForeground = null;
updateProcessForegroundLocked(app, false, false);
app.hasShownUi = false;
app.debugging = false;
app.cached = false;
app.killedByAm = false;
mHandler.removeMessages(PROC_START_TIMEOUT_MSG, app);
boolean normalMode = mProcessesReady || isAllowedWhileBooting(app.info);
List providers = normalMode ? generateApplicationProvidersLocked(app) : null;
if (!normalMode) {
Slog.i(TAG, "Launching preboot mode app: " + app);
}
if (localLOGV) Slog.v(
TAG, "New app record " + app
+ " thread=" + thread.asBinder() + " pid=" + pid);
try {
int testMode = IApplicationThread.DEBUG_OFF;
if (mDebugApp != null && mDebugApp.equals(processName)) {
testMode = mWaitForDebugger
? IApplicationThread.DEBUG_WAIT
: IApplicationThread.DEBUG_ON;
app.debugging = true;
if (mDebugTransient) {
mDebugApp = mOrigDebugApp;
mWaitForDebugger = mOrigWaitForDebugger;
}
}
String profileFile = app.instrumentationProfileFile;
ParcelFileDescriptor profileFd = null;
int samplingInterval = 0;
boolean profileAutoStop = false;
if (mProfileApp != null && mProfileApp.equals(processName)) {
mProfileProc = app;
profileFile = mProfileFile;
profileFd = mProfileFd;
samplingInterval = mSamplingInterval;
profileAutoStop = mAutoStopProfiler;
}
boolean enableOpenGlTrace = false;
if (mOpenGlTraceApp != null && mOpenGlTraceApp.equals(processName)) {
enableOpenGlTrace = true;
mOpenGlTraceApp = null;
}
// If the app is being launched for restore or full backup, set it up specially
boolean isRestrictedBackupMode = false;
if (mBackupTarget != null && mBackupAppName.equals(processName)) {
isRestrictedBackupMode = (mBackupTarget.backupMode == BackupRecord.RESTORE)
|| (mBackupTarget.backupMode == BackupRecord.RESTORE_FULL)
|| (mBackupTarget.backupMode == BackupRecord.BACKUP_FULL);
}
ensurePackageDexOpt(app.instrumentationInfo != null
? app.instrumentationInfo.packageName
: app.info.packageName);
if (app.instrumentationClass != null) {
ensurePackageDexOpt(app.instrumentationClass.getPackageName());
}
if (DEBUG_CONFIGURATION) Slog.v(TAG, "Binding proc "
+ processName + " with config " + mConfiguration);
ApplicationInfo appInfo = app.instrumentationInfo != null
? app.instrumentationInfo : app.info;
app.compat = compatibilityInfoForPackageLocked(appInfo);
if (profileFd != null) {
profileFd = profileFd.dup();
}
ProfilerInfo profilerInfo = profileFile == null ? null
: new ProfilerInfo(profileFile, profileFd, samplingInterval, profileAutoStop);
thread.bindApplication(processName, appInfo, providers, app.instrumentationClass,
profilerInfo, app.instrumentationArguments, app.instrumentationWatcher,
app.instrumentationUiAutomationConnection, testMode, enableOpenGlTrace,
isRestrictedBackupMode || !normalMode, app.persistent,
new Configuration(mConfiguration), app.compat,
getCommonServicesLocked(app.isolated),
mCoreSettingsObserver.getCoreSettingsLocked());
updateLruProcessLocked(app, false, null);
app.lastRequestedGc = app.lastLowMemory = SystemClock.uptimeMillis();
} catch (Exception e) {
// todo: Yikes! What should we do? For now we will try to
// start another process, but that could easily get us in
// an infinite loop of restarting processes...
Slog.wtf(TAG, "Exception thrown during bind of " + app, e);
app.resetPackageList(mProcessStats);
app.unlinkDeathRecipient();
startProcessLocked(app, "bind fail", processName);
return false;
}
// Remove this record from the list of starting applications.
mPersistentStartingProcesses.remove(app);
if (DEBUG_PROCESSES && mProcessesOnHold.contains(app)) Slog.v(TAG,
"Attach application locked removing on hold: " + app);
mProcessesOnHold.remove(app);
boolean badApp = false;
boolean didSomething = false;
// See if the top visible activity is waiting to run in this process...
if (normalMode) {
try {
if (mStackSupervisor.attachApplicationLocked(app)) {
didSomething = true;
}
} catch (Exception e) {
Slog.wtf(TAG, "Exception thrown launching activities in " + app, e);
badApp = true;
}
}
// Find any services that should be running in this process...
if (!badApp) {
try {
didSomething |= mServices.attachApplicationLocked(app, processName);
} catch (Exception e) {
Slog.wtf(TAG, "Exception thrown starting services in " + app, e);
badApp = true;
}
}
// Check if a next-broadcast receiver is in this process...
if (!badApp && isPendingBroadcastProcessLocked(pid)) {
try {
didSomething |= sendPendingBroadcastsLocked(app);
} catch (Exception e) {
// If the app died trying to launch the receiver we declare it 'bad'
Slog.wtf(TAG, "Exception thrown dispatching broadcasts in " + app, e);
badApp = true;
}
}
// Check whether the next backup agent is in this process...
if (!badApp && mBackupTarget != null && mBackupTarget.appInfo.uid == app.uid) {
if (DEBUG_BACKUP) Slog.v(TAG, "New app is backup target, launching agent for " + app);
ensurePackageDexOpt(mBackupTarget.appInfo.packageName);
try {
thread.scheduleCreateBackupAgent(mBackupTarget.appInfo,
compatibilityInfoForPackageLocked(mBackupTarget.appInfo),
mBackupTarget.backupMode);
} catch (Exception e) {
Slog.wtf(TAG, "Exception thrown creating backup agent in " + app, e);
badApp = true;
}
}
if (badApp) {
app.kill("error during init", true);
handleAppDiedLocked(app, false, true);
return false;
}
if (!didSomething) {
updateOomAdjLocked();
}
return true;
}
@Override
public final void attachApplication(IApplicationThread thread) {
synchronized (this) {
int callingPid = Binder.getCallingPid();
final long origId = Binder.clearCallingIdentity();
attachApplicationLocked(thread, callingPid);
Binder.restoreCallingIdentity(origId);
}
}
@Override
public final void activityIdle(IBinder token, Configuration config, boolean stopProfiling) {
final long origId = Binder.clearCallingIdentity();
synchronized (this) {
ActivityStack stack = ActivityRecord.getStackLocked(token);
if (stack != null) {
ActivityRecord r =
mStackSupervisor.activityIdleInternalLocked(token, false, config);
if (stopProfiling) {
if ((mProfileProc == r.app) && (mProfileFd != null)) {
try {
mProfileFd.close();
} catch (IOException e) {
}
clearProfilerLocked();
}
}
}
}
Binder.restoreCallingIdentity(origId);
}
void postFinishBooting(boolean finishBooting, boolean enableScreen) {
mHandler.sendMessage(mHandler.obtainMessage(FINISH_BOOTING_MSG,
finishBooting? 1 : 0, enableScreen ? 1 : 0));
}
void enableScreenAfterBoot() {
EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_ENABLE_SCREEN,
SystemClock.uptimeMillis());
mWindowManager.enableScreenAfterBoot();
synchronized (this) {
updateEventDispatchingLocked();
}
}
@Override
public void showBootMessage(final CharSequence msg, final boolean always) {
enforceNotIsolatedCaller("showBootMessage");
mWindowManager.showBootMessage(msg, always);
}
@Override
public void keyguardWaitingForActivityDrawn() {
enforceNotIsolatedCaller("keyguardWaitingForActivityDrawn");
final long token = Binder.clearCallingIdentity();
try {
synchronized (this) {
if (DEBUG_LOCKSCREEN) logLockScreen("");
mWindowManager.keyguardWaitingForActivityDrawn();
if (mLockScreenShown == LOCK_SCREEN_SHOWN) {
mLockScreenShown = LOCK_SCREEN_LEAVING;
updateSleepIfNeededLocked();
}
}
} finally {
Binder.restoreCallingIdentity(token);
}
}
final void finishBooting() {
synchronized (this) {
if (!mBootAnimationComplete) {
mCallFinishBooting = true;
return;
}
mCallFinishBooting = false;
}
ArraySet completedIsas = new ArraySet();
for (String abi : Build.SUPPORTED_ABIS) {
Process.establishZygoteConnectionForAbi(abi);
final String instructionSet = VMRuntime.getInstructionSet(abi);
if (!completedIsas.contains(instructionSet)) {
if (mInstaller.markBootComplete(VMRuntime.getInstructionSet(abi)) != 0) {
Slog.e(TAG, "Unable to mark boot complete for abi: " + abi);
}
completedIsas.add(instructionSet);
}
}
IntentFilter pkgFilter = new IntentFilter();
pkgFilter.addAction(Intent.ACTION_QUERY_PACKAGE_RESTART);
pkgFilter.addDataScheme("package");
mContext.registerReceiver(new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
String[] pkgs = intent.getStringArrayExtra(Intent.EXTRA_PACKAGES);
if (pkgs != null) {
for (String pkg : pkgs) {
synchronized (ActivityManagerService.this) {
if (forceStopPackageLocked(pkg, -1, false, false, false, false, false,
0, "finished booting")) {
setResultCode(Activity.RESULT_OK);
return;
}
}
}
}
}
}, pkgFilter);
// Let system services know.
mSystemServiceManager.startBootPhase(SystemService.PHASE_BOOT_COMPLETED);
synchronized (this) {
// Ensure that any processes we had put on hold are now started
// up.
final int NP = mProcessesOnHold.size();
if (NP > 0) {
ArrayList procs =
new ArrayList(mProcessesOnHold);
for (int ip=0; ip= 1");
}
for (int i=0; i= 0) {
// First... does the target actually need this permission?
if (checkHoldingPermissionsLocked(pm, pi, grantUri, targetUid, modeFlags)) {
// No need to grant the target this permission.
if (DEBUG_URI_PERMISSION) Slog.v(TAG,
"Target " + targetPkg + " already has full permission to " + grantUri);
return -1;
}
} else {
// First... there is no target package, so can anyone access it?
boolean allowed = pi.exported;
if ((modeFlags&Intent.FLAG_GRANT_READ_URI_PERMISSION) != 0) {
if (pi.readPermission != null) {
allowed = false;
}
}
if ((modeFlags&Intent.FLAG_GRANT_WRITE_URI_PERMISSION) != 0) {
if (pi.writePermission != null) {
allowed = false;
}
}
if (allowed) {
return -1;
}
}
/* There is a special cross user grant if:
* - The target is on another user.
* - Apps on the current user can access the uri without any uid permissions.
* In this case, we grant a uri permission, even if the ContentProvider does not normally
* grant uri permissions.
*/
boolean specialCrossUserGrant = UserHandle.getUserId(targetUid) != grantUri.sourceUserId
&& checkHoldingPermissionsInternalLocked(pm, pi, grantUri, callingUid,
modeFlags, false /*without considering the uid permissions*/);
// Second... is the provider allowing granting of URI permissions?
if (!specialCrossUserGrant) {
if (!pi.grantUriPermissions) {
throw new SecurityException("Provider " + pi.packageName
+ "/" + pi.name
+ " does not allow granting of Uri permissions (uri "
+ grantUri + ")");
}
if (pi.uriPermissionPatterns != null) {
final int N = pi.uriPermissionPatterns.length;
boolean allowed = false;
for (int i=0; i {
final String targetPkg;
final int targetUid;
final int flags;
NeededUriGrants(String targetPkg, int targetUid, int flags) {
this.targetPkg = targetPkg;
this.targetUid = targetUid;
this.flags = flags;
}
}
/**
* Like checkGrantUriPermissionLocked, but takes an Intent.
*/
NeededUriGrants checkGrantUriPermissionFromIntentLocked(int callingUid,
String targetPkg, Intent intent, int mode, NeededUriGrants needed, int targetUserId) {
if (DEBUG_URI_PERMISSION) Slog.v(TAG,
"Checking URI perm to data=" + (intent != null ? intent.getData() : null)
+ " clip=" + (intent != null ? intent.getClipData() : null)
+ " from " + intent + "; flags=0x"
+ Integer.toHexString(intent != null ? intent.getFlags() : 0));
if (targetPkg == null) {
throw new NullPointerException("targetPkg");
}
if (intent == null) {
return null;
}
Uri data = intent.getData();
ClipData clip = intent.getClipData();
if (data == null && clip == null) {
return null;
}
// Default userId for uris in the intent (if they don't specify it themselves)
int contentUserHint = intent.getContentUserHint();
if (contentUserHint == UserHandle.USER_CURRENT) {
contentUserHint = UserHandle.getUserId(callingUid);
}
final IPackageManager pm = AppGlobals.getPackageManager();
int targetUid;
if (needed != null) {
targetUid = needed.targetUid;
} else {
try {
targetUid = pm.getPackageUid(targetPkg, targetUserId);
} catch (RemoteException ex) {
return null;
}
if (targetUid < 0) {
if (DEBUG_URI_PERMISSION) {
Slog.v(TAG, "Can't grant URI permission no uid for: " + targetPkg
+ " on user " + targetUserId);
}
return null;
}
}
if (data != null) {
GrantUri grantUri = GrantUri.resolve(contentUserHint, data);
targetUid = checkGrantUriPermissionLocked(callingUid, targetPkg, grantUri, mode,
targetUid);
if (targetUid > 0) {
if (needed == null) {
needed = new NeededUriGrants(targetPkg, targetUid, mode);
}
needed.add(grantUri);
}
}
if (clip != null) {
for (int i=0; i 0) {
if (needed == null) {
needed = new NeededUriGrants(targetPkg, targetUid, mode);
}
needed.add(grantUri);
}
} else {
Intent clipIntent = clip.getItemAt(i).getIntent();
if (clipIntent != null) {
NeededUriGrants newNeeded = checkGrantUriPermissionFromIntentLocked(
callingUid, targetPkg, clipIntent, mode, needed, targetUserId);
if (newNeeded != null) {
needed = newNeeded;
}
}
}
}
}
return needed;
}
/**
* Like grantUriPermissionUncheckedLocked, but takes an Intent.
*/
void grantUriPermissionUncheckedFromIntentLocked(NeededUriGrants needed,
UriPermissionOwner owner) {
if (needed != null) {
for (int i=0; i perms = mGrantedUriPermissions.get(
perm.targetUid);
if (perms != null) {
if (DEBUG_URI_PERMISSION) Slog.v(TAG,
"Removing " + perm.targetUid + " permission to " + perm.uri);
perms.remove(perm.uri);
if (perms.isEmpty()) {
mGrantedUriPermissions.remove(perm.targetUid);
}
}
}
}
private void revokeUriPermissionLocked(int callingUid, GrantUri grantUri, final int modeFlags) {
if (DEBUG_URI_PERMISSION) Slog.v(TAG, "Revoking all granted permissions to " + grantUri);
final IPackageManager pm = AppGlobals.getPackageManager();
final String authority = grantUri.uri.getAuthority();
final ProviderInfo pi = getProviderInfoLocked(authority, grantUri.sourceUserId);
if (pi == null) {
Slog.w(TAG, "No content provider found for permission revoke: "
+ grantUri.toSafeString());
return;
}
// Does the caller have this permission on the URI?
if (!checkHoldingPermissionsLocked(pm, pi, grantUri, callingUid, modeFlags)) {
// If they don't have direct access to the URI, then revoke any
// ownerless URI permissions that have been granted to them.
final ArrayMap perms = mGrantedUriPermissions.get(callingUid);
if (perms != null) {
boolean persistChanged = false;
for (Iterator it = perms.values().iterator(); it.hasNext();) {
final UriPermission perm = it.next();
if (perm.uri.sourceUserId == grantUri.sourceUserId
&& perm.uri.uri.isPathPrefixMatch(grantUri.uri)) {
if (DEBUG_URI_PERMISSION)
Slog.v(TAG, "Revoking non-owned " + perm.targetUid +
" permission to " + perm.uri);
persistChanged |= perm.revokeModes(
modeFlags | Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION, false);
if (perm.modeFlags == 0) {
it.remove();
}
}
}
if (perms.isEmpty()) {
mGrantedUriPermissions.remove(callingUid);
}
if (persistChanged) {
schedulePersistUriGrants();
}
}
return;
}
boolean persistChanged = false;
// Go through all of the permissions and remove any that match.
int N = mGrantedUriPermissions.size();
for (int i = 0; i < N; i++) {
final int targetUid = mGrantedUriPermissions.keyAt(i);
final ArrayMap perms = mGrantedUriPermissions.valueAt(i);
for (Iterator it = perms.values().iterator(); it.hasNext();) {
final UriPermission perm = it.next();
if (perm.uri.sourceUserId == grantUri.sourceUserId
&& perm.uri.uri.isPathPrefixMatch(grantUri.uri)) {
if (DEBUG_URI_PERMISSION)
Slog.v(TAG,
"Revoking " + perm.targetUid + " permission to " + perm.uri);
persistChanged |= perm.revokeModes(
modeFlags | Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION, true);
if (perm.modeFlags == 0) {
it.remove();
}
}
}
if (perms.isEmpty()) {
mGrantedUriPermissions.remove(targetUid);
N--;
i--;
}
}
if (persistChanged) {
schedulePersistUriGrants();
}
}
/**
* @param uri This uri must NOT contain an embedded userId.
* @param userId The userId in which the uri is to be resolved.
*/
@Override
public void revokeUriPermission(IApplicationThread caller, Uri uri, final int modeFlags,
int userId) {
enforceNotIsolatedCaller("revokeUriPermission");
synchronized(this) {
final ProcessRecord r = getRecordForAppLocked(caller);
if (r == null) {
throw new SecurityException("Unable to find app for caller "
+ caller
+ " when revoking permission to uri " + uri);
}
if (uri == null) {
Slog.w(TAG, "revokeUriPermission: null uri");
return;
}
if (!Intent.isAccessUriMode(modeFlags)) {
return;
}
final IPackageManager pm = AppGlobals.getPackageManager();
final String authority = uri.getAuthority();
final ProviderInfo pi = getProviderInfoLocked(authority, userId);
if (pi == null) {
Slog.w(TAG, "No content provider found for permission revoke: "
+ uri.toSafeString());
return;
}
revokeUriPermissionLocked(r.uid, new GrantUri(userId, uri, false), modeFlags);
}
}
/**
* Remove any {@link UriPermission} granted from or to the
* given package.
*
* @param packageName Package name to match, or {@code null} to apply to all
* packages.
* @param userHandle User to match, or {@link UserHandle#USER_ALL} to apply
* to all users.
* @param persistable If persistable grants should be removed.
*/
private void removeUriPermissionsForPackageLocked(
String packageName, int userHandle, boolean persistable) {
if (userHandle == UserHandle.USER_ALL && packageName == null) {
throw new IllegalArgumentException("Must narrow by either package or user");
}
boolean persistChanged = false;
int N = mGrantedUriPermissions.size();
for (int i = 0; i < N; i++) {
final int targetUid = mGrantedUriPermissions.keyAt(i);
final ArrayMap perms = mGrantedUriPermissions.valueAt(i);
// Only inspect grants matching user
if (userHandle == UserHandle.USER_ALL
|| userHandle == UserHandle.getUserId(targetUid)) {
for (Iterator it = perms.values().iterator(); it.hasNext();) {
final UriPermission perm = it.next();
// Only inspect grants matching package
if (packageName == null || perm.sourcePkg.equals(packageName)
|| perm.targetPkg.equals(packageName)) {
persistChanged |= perm.revokeModes(persistable
? ~0 : ~Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION, true);
// Only remove when no modes remain; any persisted grants
// will keep this alive.
if (perm.modeFlags == 0) {
it.remove();
}
}
}
if (perms.isEmpty()) {
mGrantedUriPermissions.remove(targetUid);
N--;
i--;
}
}
}
if (persistChanged) {
schedulePersistUriGrants();
}
}
@Override
public IBinder newUriPermissionOwner(String name) {
enforceNotIsolatedCaller("newUriPermissionOwner");
synchronized(this) {
UriPermissionOwner owner = new UriPermissionOwner(this, name);
return owner.getExternalTokenLocked();
}
}
/**
* @param uri This uri must NOT contain an embedded userId.
* @param sourceUserId The userId in which the uri is to be resolved.
* @param targetUserId The userId of the app that receives the grant.
*/
@Override
public void grantUriPermissionFromOwner(IBinder token, int fromUid, String targetPkg, Uri uri,
final int modeFlags, int sourceUserId, int targetUserId) {
targetUserId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(),
targetUserId, false, ALLOW_FULL_ONLY, "grantUriPermissionFromOwner", null);
synchronized(this) {
UriPermissionOwner owner = UriPermissionOwner.fromExternalToken(token);
if (owner == null) {
throw new IllegalArgumentException("Unknown owner: " + token);
}
if (fromUid != Binder.getCallingUid()) {
if (Binder.getCallingUid() != Process.myUid()) {
// Only system code can grant URI permissions on behalf
// of other users.
throw new SecurityException("nice try");
}
}
if (targetPkg == null) {
throw new IllegalArgumentException("null target");
}
if (uri == null) {
throw new IllegalArgumentException("null uri");
}
grantUriPermissionLocked(fromUid, targetPkg, new GrantUri(sourceUserId, uri, false),
modeFlags, owner, targetUserId);
}
}
/**
* @param uri This uri must NOT contain an embedded userId.
* @param userId The userId in which the uri is to be resolved.
*/
@Override
public void revokeUriPermissionFromOwner(IBinder token, Uri uri, int mode, int userId) {
synchronized(this) {
UriPermissionOwner owner = UriPermissionOwner.fromExternalToken(token);
if (owner == null) {
throw new IllegalArgumentException("Unknown owner: " + token);
}
if (uri == null) {
owner.removeUriPermissionsLocked(mode);
} else {
owner.removeUriPermissionLocked(new GrantUri(userId, uri, false), mode);
}
}
}
private void schedulePersistUriGrants() {
if (!mHandler.hasMessages(PERSIST_URI_GRANTS_MSG)) {
mHandler.sendMessageDelayed(mHandler.obtainMessage(PERSIST_URI_GRANTS_MSG),
10 * DateUtils.SECOND_IN_MILLIS);
}
}
private void writeGrantedUriPermissions() {
if (DEBUG_URI_PERMISSION) Slog.v(TAG, "writeGrantedUriPermissions()");
// Snapshot permissions so we can persist without lock
ArrayList persist = Lists.newArrayList();
synchronized (this) {
final int size = mGrantedUriPermissions.size();
for (int i = 0; i < size; i++) {
final ArrayMap perms = mGrantedUriPermissions.valueAt(i);
for (UriPermission perm : perms.values()) {
if (perm.persistedModeFlags != 0) {
persist.add(perm.snapshot());
}
}
}
}
FileOutputStream fos = null;
try {
fos = mGrantFile.startWrite();
XmlSerializer out = new FastXmlSerializer();
out.setOutput(fos, "utf-8");
out.startDocument(null, true);
out.startTag(null, TAG_URI_GRANTS);
for (UriPermission.Snapshot perm : persist) {
out.startTag(null, TAG_URI_GRANT);
writeIntAttribute(out, ATTR_SOURCE_USER_ID, perm.uri.sourceUserId);
writeIntAttribute(out, ATTR_TARGET_USER_ID, perm.targetUserId);
out.attribute(null, ATTR_SOURCE_PKG, perm.sourcePkg);
out.attribute(null, ATTR_TARGET_PKG, perm.targetPkg);
out.attribute(null, ATTR_URI, String.valueOf(perm.uri.uri));
writeBooleanAttribute(out, ATTR_PREFIX, perm.uri.prefix);
writeIntAttribute(out, ATTR_MODE_FLAGS, perm.persistedModeFlags);
writeLongAttribute(out, ATTR_CREATED_TIME, perm.persistedCreateTime);
out.endTag(null, TAG_URI_GRANT);
}
out.endTag(null, TAG_URI_GRANTS);
out.endDocument();
mGrantFile.finishWrite(fos);
} catch (IOException e) {
if (fos != null) {
mGrantFile.failWrite(fos);
}
}
}
private void readGrantedUriPermissionsLocked() {
if (DEBUG_URI_PERMISSION) Slog.v(TAG, "readGrantedUriPermissions()");
final long now = System.currentTimeMillis();
FileInputStream fis = null;
try {
fis = mGrantFile.openRead();
final XmlPullParser in = Xml.newPullParser();
in.setInput(fis, null);
int type;
while ((type = in.next()) != END_DOCUMENT) {
final String tag = in.getName();
if (type == START_TAG) {
if (TAG_URI_GRANT.equals(tag)) {
final int sourceUserId;
final int targetUserId;
final int userHandle = readIntAttribute(in,
ATTR_USER_HANDLE, UserHandle.USER_NULL);
if (userHandle != UserHandle.USER_NULL) {
// For backwards compatibility.
sourceUserId = userHandle;
targetUserId = userHandle;
} else {
sourceUserId = readIntAttribute(in, ATTR_SOURCE_USER_ID);
targetUserId = readIntAttribute(in, ATTR_TARGET_USER_ID);
}
final String sourcePkg = in.getAttributeValue(null, ATTR_SOURCE_PKG);
final String targetPkg = in.getAttributeValue(null, ATTR_TARGET_PKG);
final Uri uri = Uri.parse(in.getAttributeValue(null, ATTR_URI));
final boolean prefix = readBooleanAttribute(in, ATTR_PREFIX);
final int modeFlags = readIntAttribute(in, ATTR_MODE_FLAGS);
final long createdTime = readLongAttribute(in, ATTR_CREATED_TIME, now);
// Sanity check that provider still belongs to source package
final ProviderInfo pi = getProviderInfoLocked(
uri.getAuthority(), sourceUserId);
if (pi != null && sourcePkg.equals(pi.packageName)) {
int targetUid = -1;
try {
targetUid = AppGlobals.getPackageManager()
.getPackageUid(targetPkg, targetUserId);
} catch (RemoteException e) {
}
if (targetUid != -1) {
final UriPermission perm = findOrCreateUriPermissionLocked(
sourcePkg, targetPkg, targetUid,
new GrantUri(sourceUserId, uri, prefix));
perm.initPersistedModes(modeFlags, createdTime);
}
} else {
Slog.w(TAG, "Persisted grant for " + uri + " had source " + sourcePkg
+ " but instead found " + pi);
}
}
}
}
} catch (FileNotFoundException e) {
// Missing grants is okay
} catch (IOException e) {
Slog.wtf(TAG, "Failed reading Uri grants", e);
} catch (XmlPullParserException e) {
Slog.wtf(TAG, "Failed reading Uri grants", e);
} finally {
IoUtils.closeQuietly(fis);
}
}
/**
* @param uri This uri must NOT contain an embedded userId.
* @param userId The userId in which the uri is to be resolved.
*/
@Override
public void takePersistableUriPermission(Uri uri, final int modeFlags, int userId) {
enforceNotIsolatedCaller("takePersistableUriPermission");
Preconditions.checkFlagsArgument(modeFlags,
Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
synchronized (this) {
final int callingUid = Binder.getCallingUid();
boolean persistChanged = false;
GrantUri grantUri = new GrantUri(userId, uri, false);
UriPermission exactPerm = findUriPermissionLocked(callingUid,
new GrantUri(userId, uri, false));
UriPermission prefixPerm = findUriPermissionLocked(callingUid,
new GrantUri(userId, uri, true));
final boolean exactValid = (exactPerm != null)
&& ((modeFlags & exactPerm.persistableModeFlags) == modeFlags);
final boolean prefixValid = (prefixPerm != null)
&& ((modeFlags & prefixPerm.persistableModeFlags) == modeFlags);
if (!(exactValid || prefixValid)) {
throw new SecurityException("No persistable permission grants found for UID "
+ callingUid + " and Uri " + grantUri.toSafeString());
}
if (exactValid) {
persistChanged |= exactPerm.takePersistableModes(modeFlags);
}
if (prefixValid) {
persistChanged |= prefixPerm.takePersistableModes(modeFlags);
}
persistChanged |= maybePrunePersistedUriGrantsLocked(callingUid);
if (persistChanged) {
schedulePersistUriGrants();
}
}
}
/**
* @param uri This uri must NOT contain an embedded userId.
* @param userId The userId in which the uri is to be resolved.
*/
@Override
public void releasePersistableUriPermission(Uri uri, final int modeFlags, int userId) {
enforceNotIsolatedCaller("releasePersistableUriPermission");
Preconditions.checkFlagsArgument(modeFlags,
Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
synchronized (this) {
final int callingUid = Binder.getCallingUid();
boolean persistChanged = false;
UriPermission exactPerm = findUriPermissionLocked(callingUid,
new GrantUri(userId, uri, false));
UriPermission prefixPerm = findUriPermissionLocked(callingUid,
new GrantUri(userId, uri, true));
if (exactPerm == null && prefixPerm == null) {
throw new SecurityException("No permission grants found for UID " + callingUid
+ " and Uri " + uri.toSafeString());
}
if (exactPerm != null) {
persistChanged |= exactPerm.releasePersistableModes(modeFlags);
removeUriPermissionIfNeededLocked(exactPerm);
}
if (prefixPerm != null) {
persistChanged |= prefixPerm.releasePersistableModes(modeFlags);
removeUriPermissionIfNeededLocked(prefixPerm);
}
if (persistChanged) {
schedulePersistUriGrants();
}
}
}
/**
* Prune any older {@link UriPermission} for the given UID until outstanding
* persisted grants are below {@link #MAX_PERSISTED_URI_GRANTS}.
*
* @return if any mutations occured that require persisting.
*/
private boolean maybePrunePersistedUriGrantsLocked(int uid) {
final ArrayMap perms = mGrantedUriPermissions.get(uid);
if (perms == null) return false;
if (perms.size() < MAX_PERSISTED_URI_GRANTS) return false;
final ArrayList persisted = Lists.newArrayList();
for (UriPermission perm : perms.values()) {
if (perm.persistedModeFlags != 0) {
persisted.add(perm);
}
}
final int trimCount = persisted.size() - MAX_PERSISTED_URI_GRANTS;
if (trimCount <= 0) return false;
Collections.sort(persisted, new UriPermission.PersistedTimeComparator());
for (int i = 0; i < trimCount; i++) {
final UriPermission perm = persisted.get(i);
if (DEBUG_URI_PERMISSION) {
Slog.v(TAG, "Trimming grant created at " + perm.persistedCreateTime);
}
perm.releasePersistableModes(~0);
removeUriPermissionIfNeededLocked(perm);
}
return true;
}
@Override
public ParceledListSlice getPersistedUriPermissions(
String packageName, boolean incoming) {
enforceNotIsolatedCaller("getPersistedUriPermissions");
Preconditions.checkNotNull(packageName, "packageName");
final int callingUid = Binder.getCallingUid();
final IPackageManager pm = AppGlobals.getPackageManager();
try {
final int packageUid = pm.getPackageUid(packageName, UserHandle.getUserId(callingUid));
if (packageUid != callingUid) {
throw new SecurityException(
"Package " + packageName + " does not belong to calling UID " + callingUid);
}
} catch (RemoteException e) {
throw new SecurityException("Failed to verify package name ownership");
}
final ArrayList result = Lists.newArrayList();
synchronized (this) {
if (incoming) {
final ArrayMap perms = mGrantedUriPermissions.get(
callingUid);
if (perms == null) {
Slog.w(TAG, "No permission grants found for " + packageName);
} else {
for (UriPermission perm : perms.values()) {
if (packageName.equals(perm.targetPkg) && perm.persistedModeFlags != 0) {
result.add(perm.buildPersistedPublicApiObject());
}
}
}
} else {
final int size = mGrantedUriPermissions.size();
for (int i = 0; i < size; i++) {
final ArrayMap perms =
mGrantedUriPermissions.valueAt(i);
for (UriPermission perm : perms.values()) {
if (packageName.equals(perm.sourcePkg) && perm.persistedModeFlags != 0) {
result.add(perm.buildPersistedPublicApiObject());
}
}
}
}
}
return new ParceledListSlice(result);
}
@Override
public void showWaitingForDebugger(IApplicationThread who, boolean waiting) {
synchronized (this) {
ProcessRecord app =
who != null ? getRecordForAppLocked(who) : null;
if (app == null) return;
Message msg = Message.obtain();
msg.what = WAIT_FOR_DEBUGGER_MSG;
msg.obj = app;
msg.arg1 = waiting ? 1 : 0;
mHandler.sendMessage(msg);
}
}
@Override
public void getMemoryInfo(ActivityManager.MemoryInfo outInfo) {
final long homeAppMem = mProcessList.getMemLevel(ProcessList.HOME_APP_ADJ);
final long cachedAppMem = mProcessList.getMemLevel(ProcessList.CACHED_APP_MIN_ADJ);
outInfo.availMem = Process.getFreeMemory();
outInfo.totalMem = Process.getTotalMemory();
outInfo.threshold = homeAppMem;
outInfo.lowMemory = outInfo.availMem < (homeAppMem + ((cachedAppMem-homeAppMem)/2));
outInfo.hiddenAppThreshold = cachedAppMem;
outInfo.secondaryServerThreshold = mProcessList.getMemLevel(
ProcessList.SERVICE_ADJ);
outInfo.visibleAppThreshold = mProcessList.getMemLevel(
ProcessList.VISIBLE_APP_ADJ);
outInfo.foregroundAppThreshold = mProcessList.getMemLevel(
ProcessList.FOREGROUND_APP_ADJ);
}
// =========================================================
// TASK MANAGEMENT
// =========================================================
@Override
public List getAppTasks(String callingPackage) {
int callingUid = Binder.getCallingUid();
long ident = Binder.clearCallingIdentity();
synchronized(this) {
ArrayList list = new ArrayList();
try {
if (localLOGV) Slog.v(TAG, "getAppTasks");
final int N = mRecentTasks.size();
for (int i = 0; i < N; i++) {
TaskRecord tr = mRecentTasks.get(i);
// Skip tasks that do not match the caller. We don't need to verify
// callingPackage, because we are also limiting to callingUid and know
// that will limit to the correct security sandbox.
if (tr.effectiveUid != callingUid) {
continue;
}
Intent intent = tr.getBaseIntent();
if (intent == null ||
!callingPackage.equals(intent.getComponent().getPackageName())) {
continue;
}
ActivityManager.RecentTaskInfo taskInfo =
createRecentTaskInfoFromTaskRecord(tr);
AppTaskImpl taskImpl = new AppTaskImpl(taskInfo.persistentId, callingUid);
list.add(taskImpl);
}
} finally {
Binder.restoreCallingIdentity(ident);
}
return list;
}
}
@Override
public List getTasks(int maxNum, int flags) {
final int callingUid = Binder.getCallingUid();
ArrayList list = new ArrayList();
synchronized(this) {
if (localLOGV) Slog.v(
TAG, "getTasks: max=" + maxNum + ", flags=" + flags);
final boolean allowed = isGetTasksAllowed("getTasks", Binder.getCallingPid(),
callingUid);
// TODO: Improve with MRU list from all ActivityStacks.
mStackSupervisor.getTasksLocked(maxNum, list, callingUid, allowed);
}
return list;
}
/**
* Creates a new RecentTaskInfo from a TaskRecord.
*/
private ActivityManager.RecentTaskInfo createRecentTaskInfoFromTaskRecord(TaskRecord tr) {
// Update the task description to reflect any changes in the task stack
tr.updateTaskDescription();
// Compose the recent task info
ActivityManager.RecentTaskInfo rti = new ActivityManager.RecentTaskInfo();
rti.id = tr.getTopActivity() == null ? INVALID_TASK_ID : tr.taskId;
rti.persistentId = tr.taskId;
rti.baseIntent = new Intent(tr.getBaseIntent());
rti.origActivity = tr.origActivity;
rti.description = tr.lastDescription;
rti.stackId = tr.stack != null ? tr.stack.mStackId : -1;
rti.userId = tr.userId;
rti.taskDescription = new ActivityManager.TaskDescription(tr.lastTaskDescription);
rti.firstActiveTime = tr.firstActiveTime;
rti.lastActiveTime = tr.lastActiveTime;
rti.affiliatedTaskId = tr.mAffiliatedTaskId;
rti.affiliatedTaskColor = tr.mAffiliatedTaskColor;
return rti;
}
private boolean isGetTasksAllowed(String caller, int callingPid, int callingUid) {
boolean allowed = checkPermission(android.Manifest.permission.REAL_GET_TASKS,
callingPid, callingUid) == PackageManager.PERMISSION_GRANTED;
if (!allowed) {
if (checkPermission(android.Manifest.permission.GET_TASKS,
callingPid, callingUid) == PackageManager.PERMISSION_GRANTED) {
// Temporary compatibility: some existing apps on the system image may
// still be requesting the old permission and not switched to the new
// one; if so, we'll still allow them full access. This means we need
// to see if they are holding the old permission and are a system app.
try {
if (AppGlobals.getPackageManager().isUidPrivileged(callingUid)) {
allowed = true;
Slog.w(TAG, caller + ": caller " + callingUid
+ " is using old GET_TASKS but privileged; allowing");
}
} catch (RemoteException e) {
}
}
}
if (!allowed) {
Slog.w(TAG, caller + ": caller " + callingUid
+ " does not hold GET_TASKS; limiting output");
}
return allowed;
}
@Override
public List getRecentTasks(int maxNum, int flags, int userId) {
final int callingUid = Binder.getCallingUid();
userId = handleIncomingUser(Binder.getCallingPid(), callingUid, userId,
false, ALLOW_FULL_ONLY, "getRecentTasks", null);
final boolean includeProfiles = (flags & ActivityManager.RECENT_INCLUDE_PROFILES) != 0;
final boolean withExcluded = (flags&ActivityManager.RECENT_WITH_EXCLUDED) != 0;
synchronized (this) {
final boolean allowed = isGetTasksAllowed("getRecentTasks", Binder.getCallingPid(),
callingUid);
final boolean detailed = checkCallingPermission(
android.Manifest.permission.GET_DETAILED_TASKS)
== PackageManager.PERMISSION_GRANTED;
final int N = mRecentTasks.size();
ArrayList res
= new ArrayList(
maxNum < N ? maxNum : N);
final Set includedUsers;
if (includeProfiles) {
includedUsers = getProfileIdsLocked(userId);
} else {
includedUsers = new HashSet();
}
includedUsers.add(Integer.valueOf(userId));
for (int i=0; i 0; i++) {
TaskRecord tr = mRecentTasks.get(i);
// Only add calling user or related users recent tasks
if (!includedUsers.contains(Integer.valueOf(tr.userId))) {
if (DEBUG_RECENTS) Slog.d(TAG, "Skipping, not user: " + tr);
continue;
}
// Return the entry if desired by the caller. We always return
// the first entry, because callers always expect this to be the
// foreground app. We may filter others if the caller has
// not supplied RECENT_WITH_EXCLUDED and there is some reason
// we should exclude the entry.
if (i == 0
|| withExcluded
|| (tr.intent == null)
|| ((tr.intent.getFlags() & Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS)
== 0)) {
if (!allowed) {
// If the caller doesn't have the GET_TASKS permission, then only
// allow them to see a small subset of tasks -- their own and home.
if (!tr.isHomeTask() && tr.effectiveUid != callingUid) {
if (DEBUG_RECENTS) Slog.d(TAG, "Skipping, not allowed: " + tr);
continue;
}
}
if ((flags & ActivityManager.RECENT_IGNORE_HOME_STACK_TASKS) != 0) {
if (tr.stack != null && tr.stack.isHomeStack()) {
if (DEBUG_RECENTS) Slog.d(TAG, "Skipping, home stack task: " + tr);
continue;
}
}
if (tr.autoRemoveRecents && tr.getTopActivity() == null) {
// Don't include auto remove tasks that are finished or finishing.
if (DEBUG_RECENTS) Slog.d(TAG, "Skipping, auto-remove without activity: "
+ tr);
continue;
}
if ((flags&ActivityManager.RECENT_IGNORE_UNAVAILABLE) != 0
&& !tr.isAvailable) {
if (DEBUG_RECENTS) Slog.d(TAG, "Skipping, unavail real act: " + tr);
continue;
}
ActivityManager.RecentTaskInfo rti = createRecentTaskInfoFromTaskRecord(tr);
if (!detailed) {
rti.baseIntent.replaceExtras((Bundle)null);
}
res.add(rti);
maxNum--;
}
}
return res;
}
}
TaskRecord recentTaskForIdLocked(int id) {
final int N = mRecentTasks.size();
for (int i=0; i procsToKill = new ArrayList();
ArrayMap> pmap = mProcessNames.getMap();
for (int i = 0; i < pmap.size(); i++) {
SparseArray uids = pmap.valueAt(i);
for (int j = 0; j < uids.size(); j++) {
ProcessRecord proc = uids.valueAt(j);
if (proc.userId != tr.userId) {
// Don't kill process for a different user.
continue;
}
if (proc == mHomeProcess) {
// Don't kill the home process along with tasks from the same package.
continue;
}
if (!proc.pkgList.containsKey(pkg)) {
// Don't kill process that is not associated with this task.
continue;
}
for (int k = 0; k < proc.activities.size(); k++) {
TaskRecord otherTask = proc.activities.get(k).task;
if (tr.taskId != otherTask.taskId && otherTask.inRecents) {
// Don't kill process(es) that has an activity in a different task that is
// also in recents.
return;
}
}
// Add process to kill list.
procsToKill.add(proc);
}
}
// Find any running services associated with this app and stop if needed.
mServices.cleanUpRemovedTaskLocked(tr, component, new Intent(tr.getBaseIntent()));
// Kill the running processes.
for (int i = 0; i < procsToKill.size(); i++) {
ProcessRecord pr = procsToKill.get(i);
if (pr.setSchedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE) {
pr.kill("remove task", true);
} else {
pr.waitingToKill = "remove task";
}
}
}
private void removeTasksByPackageNameLocked(String packageName, int userId) {
// Remove all tasks with activities in the specified package from the list of recent tasks
for (int i = mRecentTasks.size() - 1; i >= 0; i--) {
TaskRecord tr = mRecentTasks.get(i);
if (tr.userId != userId) continue;
ComponentName cn = tr.intent.getComponent();
if (cn != null && cn.getPackageName().equals(packageName)) {
// If the package name matches, remove the task.
removeTaskByIdLocked(tr.taskId, true);
}
}
}
private void removeTasksByRemovedPackageComponentsLocked(String packageName, int userId) {
final IPackageManager pm = AppGlobals.getPackageManager();
final HashSet componentsKnownToExist = new HashSet();
for (int i = mRecentTasks.size() - 1; i >= 0; i--) {
TaskRecord tr = mRecentTasks.get(i);
if (tr.userId != userId) continue;
ComponentName cn = tr.intent.getComponent();
if (cn != null && cn.getPackageName().equals(packageName)) {
// Skip if component still exists in the package.
if (componentsKnownToExist.contains(cn)) continue;
try {
ActivityInfo info = pm.getActivityInfo(cn, 0, userId);
if (info != null) {
componentsKnownToExist.add(cn);
} else {
removeTaskByIdLocked(tr.taskId, false);
}
} catch (RemoteException e) {
Log.e(TAG, "Activity info query failed. component=" + cn, e);
}
}
}
}
/**
* Removes the task with the specified task id.
*
* @param taskId Identifier of the task to be removed.
* @param killProcess Kill any process associated with the task if possible.
* @return Returns true if the given task was found and removed.
*/
private boolean removeTaskByIdLocked(int taskId, boolean killProcess) {
TaskRecord tr = mStackSupervisor.anyTaskForIdLocked(taskId);
if (tr != null) {
tr.removeTaskActivitiesLocked();
cleanUpRemovedTaskLocked(tr, killProcess);
if (tr.isPersistable) {
notifyTaskPersisterLocked(null, true);
}
return true;
}
Slog.w(TAG, "Request to remove task ignored for non-existent task " + taskId);
return false;
}
@Override
public boolean removeTask(int taskId) {
synchronized (this) {
enforceCallingPermission(android.Manifest.permission.REMOVE_TASKS,
"removeTask()");
long ident = Binder.clearCallingIdentity();
try {
return removeTaskByIdLocked(taskId, true);
} finally {
Binder.restoreCallingIdentity(ident);
}
}
}
/**
* TODO: Add mController hook
*/
@Override
public void moveTaskToFront(int taskId, int flags, Bundle options) {
enforceCallingPermission(android.Manifest.permission.REORDER_TASKS,
"moveTaskToFront()");
if (DEBUG_STACK) Slog.d(TAG, "moveTaskToFront: moving taskId=" + taskId);
synchronized(this) {
moveTaskToFrontLocked(taskId, flags, options);
}
}
void moveTaskToFrontLocked(int taskId, int flags, Bundle options) {
if (!checkAppSwitchAllowedLocked(Binder.getCallingPid(),
Binder.getCallingUid(), -1, -1, "Task to front")) {
ActivityOptions.abort(options);
return;
}
final long origId = Binder.clearCallingIdentity();
try {
final TaskRecord task = mStackSupervisor.anyTaskForIdLocked(taskId);
if (task == null) {
Slog.d(TAG, "Could not find task for id: "+ taskId);
return;
}
if (mStackSupervisor.isLockTaskModeViolation(task)) {
mStackSupervisor.showLockTaskToast();
Slog.e(TAG, "moveTaskToFront: Attempt to violate Lock Task Mode");
return;
}
final ActivityRecord prev = mStackSupervisor.topRunningActivityLocked();
if (prev != null && prev.isRecentsActivity()) {
task.setTaskToReturnTo(ActivityRecord.RECENTS_ACTIVITY_TYPE);
}
mStackSupervisor.findTaskToMoveToFrontLocked(task, flags, options, "moveTaskToFront");
} finally {
Binder.restoreCallingIdentity(origId);
}
ActivityOptions.abort(options);
}
@Override
public void moveTaskToBack(int taskId) {
enforceCallingPermission(android.Manifest.permission.REORDER_TASKS,
"moveTaskToBack()");
synchronized(this) {
TaskRecord tr = mStackSupervisor.anyTaskForIdLocked(taskId);
if (tr != null) {
if (tr == mStackSupervisor.mLockTaskModeTask) {
mStackSupervisor.showLockTaskToast();
return;
}
if (DEBUG_STACK) Slog.d(TAG, "moveTaskToBack: moving task=" + tr);
ActivityStack stack = tr.stack;
if (stack.mResumedActivity != null && stack.mResumedActivity.task == tr) {
if (!checkAppSwitchAllowedLocked(Binder.getCallingPid(),
Binder.getCallingUid(), -1, -1, "Task to back")) {
return;
}
}
final long origId = Binder.clearCallingIdentity();
try {
stack.moveTaskToBackLocked(taskId);
} finally {
Binder.restoreCallingIdentity(origId);
}
}
}
}
/**
* Moves an activity, and all of the other activities within the same task, to the bottom
* of the history stack. The activity's order within the task is unchanged.
*
* @param token A reference to the activity we wish to move
* @param nonRoot If false then this only works if the activity is the root
* of a task; if true it will work for any activity in a task.
* @return Returns true if the move completed, false if not.
*/
@Override
public boolean moveActivityTaskToBack(IBinder token, boolean nonRoot) {
enforceNotIsolatedCaller("moveActivityTaskToBack");
synchronized(this) {
final long origId = Binder.clearCallingIdentity();
try {
int taskId = ActivityRecord.getTaskForActivityLocked(token, !nonRoot);
if (taskId >= 0) {
if ((mStackSupervisor.mLockTaskModeTask != null)
&& (mStackSupervisor.mLockTaskModeTask.taskId == taskId)) {
mStackSupervisor.showLockTaskToast();
return false;
}
return ActivityRecord.getStackLocked(token).moveTaskToBackLocked(taskId);
}
} finally {
Binder.restoreCallingIdentity(origId);
}
}
return false;
}
@Override
public void moveTaskBackwards(int task) {
enforceCallingPermission(android.Manifest.permission.REORDER_TASKS,
"moveTaskBackwards()");
synchronized(this) {
if (!checkAppSwitchAllowedLocked(Binder.getCallingPid(),
Binder.getCallingUid(), -1, -1, "Task backwards")) {
return;
}
final long origId = Binder.clearCallingIdentity();
moveTaskBackwardsLocked(task);
Binder.restoreCallingIdentity(origId);
}
}
private final void moveTaskBackwardsLocked(int task) {
Slog.e(TAG, "moveTaskBackwards not yet implemented!");
}
@Override
public IBinder getHomeActivityToken() throws RemoteException {
enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS,
"getHomeActivityToken()");
synchronized (this) {
return mStackSupervisor.getHomeActivityToken();
}
}
@Override
public IActivityContainer createActivityContainer(IBinder parentActivityToken,
IActivityContainerCallback callback) throws RemoteException {
enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS,
"createActivityContainer()");
synchronized (this) {
if (parentActivityToken == null) {
throw new IllegalArgumentException("parent token must not be null");
}
ActivityRecord r = ActivityRecord.forToken(parentActivityToken);
if (r == null) {
return null;
}
if (callback == null) {
throw new IllegalArgumentException("callback must not be null");
}
return mStackSupervisor.createActivityContainer(r, callback);
}
}
@Override
public void deleteActivityContainer(IActivityContainer container) throws RemoteException {
enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS,
"deleteActivityContainer()");
synchronized (this) {
mStackSupervisor.deleteActivityContainer(container);
}
}
@Override
public int getActivityDisplayId(IBinder activityToken) throws RemoteException {
synchronized (this) {
ActivityStack stack = ActivityRecord.getStackLocked(activityToken);
if (stack != null && stack.mActivityContainer.isAttachedLocked()) {
return stack.mActivityContainer.getDisplayId();
}
return Display.DEFAULT_DISPLAY;
}
}
@Override
public void moveTaskToStack(int taskId, int stackId, boolean toTop) {
enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS,
"moveTaskToStack()");
if (stackId == HOME_STACK_ID) {
Slog.e(TAG, "moveTaskToStack: Attempt to move task " + taskId + " to home stack",
new RuntimeException("here").fillInStackTrace());
}
synchronized (this) {
long ident = Binder.clearCallingIdentity();
try {
if (DEBUG_STACK) Slog.d(TAG, "moveTaskToStack: moving task=" + taskId + " to stackId="
+ stackId + " toTop=" + toTop);
mStackSupervisor.moveTaskToStackLocked(taskId, stackId, toTop);
} finally {
Binder.restoreCallingIdentity(ident);
}
}
}
@Override
public void resizeStack(int stackBoxId, Rect bounds) {
enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS,
"resizeStackBox()");
long ident = Binder.clearCallingIdentity();
try {
mWindowManager.resizeStack(stackBoxId, bounds);
} finally {
Binder.restoreCallingIdentity(ident);
}
}
@Override
public List getAllStackInfos() {
enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS,
"getAllStackInfos()");
long ident = Binder.clearCallingIdentity();
try {
synchronized (this) {
return mStackSupervisor.getAllStackInfosLocked();
}
} finally {
Binder.restoreCallingIdentity(ident);
}
}
@Override
public StackInfo getStackInfo(int stackId) {
enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS,
"getStackInfo()");
long ident = Binder.clearCallingIdentity();
try {
synchronized (this) {
return mStackSupervisor.getStackInfoLocked(stackId);
}
} finally {
Binder.restoreCallingIdentity(ident);
}
}
@Override
public boolean isInHomeStack(int taskId) {
enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS,
"getStackInfo()");
long ident = Binder.clearCallingIdentity();
try {
synchronized (this) {
TaskRecord tr = mStackSupervisor.anyTaskForIdLocked(taskId);
return tr != null && tr.stack != null && tr.stack.isHomeStack();
}
} finally {
Binder.restoreCallingIdentity(ident);
}
}
@Override
public int getTaskForActivity(IBinder token, boolean onlyRoot) {
synchronized(this) {
return ActivityRecord.getTaskForActivityLocked(token, onlyRoot);
}
}
private boolean isLockTaskAuthorized(String pkg) {
final DevicePolicyManager dpm = (DevicePolicyManager)
mContext.getSystemService(Context.DEVICE_POLICY_SERVICE);
try {
int uid = mContext.getPackageManager().getPackageUid(pkg,
Binder.getCallingUserHandle().getIdentifier());
return (uid == Binder.getCallingUid()) && dpm != null && dpm.isLockTaskPermitted(pkg);
} catch (NameNotFoundException e) {
return false;
}
}
void startLockTaskMode(TaskRecord task) {
final String pkg;
synchronized (this) {
pkg = task.intent.getComponent().getPackageName();
}
boolean isSystemInitiated = Binder.getCallingUid() == Process.SYSTEM_UID;
if (!isSystemInitiated && !isLockTaskAuthorized(pkg)) {
StatusBarManagerInternal statusBarManager = LocalServices.getService(
StatusBarManagerInternal.class);
if (statusBarManager != null) {
statusBarManager.showScreenPinningRequest();
}
return;
}
long ident = Binder.clearCallingIdentity();
try {
synchronized (this) {
// Since we lost lock on task, make sure it is still there.
task = mStackSupervisor.anyTaskForIdLocked(task.taskId);
if (task != null) {
if (!isSystemInitiated
&& ((mStackSupervisor.getFocusedStack() == null)
|| (task != mStackSupervisor.getFocusedStack().topTask()))) {
throw new IllegalArgumentException("Invalid task, not in foreground");
}
mStackSupervisor.setLockTaskModeLocked(task, !isSystemInitiated,
"startLockTask");
}
}
} finally {
Binder.restoreCallingIdentity(ident);
}
}
@Override
public void startLockTaskMode(int taskId) {
final TaskRecord task;
long ident = Binder.clearCallingIdentity();
try {
synchronized (this) {
task = mStackSupervisor.anyTaskForIdLocked(taskId);
}
} finally {
Binder.restoreCallingIdentity(ident);
}
if (task != null) {
startLockTaskMode(task);
}
}
@Override
public void startLockTaskMode(IBinder token) {
final TaskRecord task;
long ident = Binder.clearCallingIdentity();
try {
synchronized (this) {
final ActivityRecord r = ActivityRecord.forToken(token);
if (r == null) {
return;
}
task = r.task;
}
} finally {
Binder.restoreCallingIdentity(ident);
}
if (task != null) {
startLockTaskMode(task);
}
}
@Override
public void startLockTaskModeOnCurrent() throws RemoteException {
enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS,
"startLockTaskModeOnCurrent");
long ident = Binder.clearCallingIdentity();
try {
ActivityRecord r = null;
synchronized (this) {
r = mStackSupervisor.topRunningActivityLocked();
}
startLockTaskMode(r.task);
} finally {
Binder.restoreCallingIdentity(ident);
}
}
@Override
public void stopLockTaskMode() {
// Verify that the user matches the package of the intent for the TaskRecord
// we are locked to or systtem. This will ensure the same caller for startLockTaskMode
// and stopLockTaskMode.
final int callingUid = Binder.getCallingUid();
if (callingUid != Process.SYSTEM_UID) {
try {
String pkg =
mStackSupervisor.mLockTaskModeTask.intent.getComponent().getPackageName();
int uid = mContext.getPackageManager().getPackageUid(pkg,
Binder.getCallingUserHandle().getIdentifier());
if (uid != callingUid) {
throw new SecurityException("Invalid uid, expected " + uid);
}
} catch (NameNotFoundException e) {
Log.d(TAG, "stopLockTaskMode " + e);
return;
}
}
long ident = Binder.clearCallingIdentity();
try {
Log.d(TAG, "stopLockTaskMode");
// Stop lock task
synchronized (this) {
mStackSupervisor.setLockTaskModeLocked(null, false, "stopLockTask");
}
} finally {
Binder.restoreCallingIdentity(ident);
}
}
@Override
public void stopLockTaskModeOnCurrent() throws RemoteException {
enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS,
"stopLockTaskModeOnCurrent");
long ident = Binder.clearCallingIdentity();
try {
stopLockTaskMode();
} finally {
Binder.restoreCallingIdentity(ident);
}
}
@Override
public boolean isInLockTaskMode() {
synchronized (this) {
return mStackSupervisor.isInLockTaskMode();
}
}
// =========================================================
// CONTENT PROVIDERS
// =========================================================
private final List generateApplicationProvidersLocked(ProcessRecord app) {
List providers = null;
try {
providers = AppGlobals.getPackageManager().
queryContentProviders(app.processName, app.uid,
STOCK_PM_FLAGS | PackageManager.GET_URI_PERMISSION_PATTERNS);
} catch (RemoteException ex) {
}
if (DEBUG_MU)
Slog.v(TAG_MU, "generateApplicationProvidersLocked, app.info.uid = " + app.uid);
int userId = app.userId;
if (providers != null) {
int N = providers.size();
app.pubProviders.ensureCapacity(N + app.pubProviders.size());
for (int i=0; i 0) {
i--;
PathPermission pp = pps[i];
String pprperm = pp.getReadPermission();
if (pprperm != null && checkComponentPermission(pprperm, callingPid, callingUid,
cpi.applicationInfo.uid, cpi.exported)
== PackageManager.PERMISSION_GRANTED) {
return null;
}
String ppwperm = pp.getWritePermission();
if (ppwperm != null && checkComponentPermission(ppwperm, callingPid, callingUid,
cpi.applicationInfo.uid, cpi.exported)
== PackageManager.PERMISSION_GRANTED) {
return null;
}
}
}
if (!checkedGrants && checkAuthorityGrants(callingUid, cpi, userId, checkUser)) {
return null;
}
String msg;
if (!cpi.exported) {
msg = "Permission Denial: opening provider " + cpi.name
+ " from " + (r != null ? r : "(null)") + " (pid=" + callingPid
+ ", uid=" + callingUid + ") that is not exported from uid "
+ cpi.applicationInfo.uid;
} else {
msg = "Permission Denial: opening provider " + cpi.name
+ " from " + (r != null ? r : "(null)") + " (pid=" + callingPid
+ ", uid=" + callingUid + ") requires "
+ cpi.readPermission + " or " + cpi.writePermission;
}
Slog.w(TAG, msg);
return msg;
}
/**
* Returns if the ContentProvider has granted a uri to callingUid
*/
boolean checkAuthorityGrants(int callingUid, ProviderInfo cpi, int userId, boolean checkUser) {
final ArrayMap perms = mGrantedUriPermissions.get(callingUid);
if (perms != null) {
for (int i=perms.size()-1; i>=0; i--) {
GrantUri grantUri = perms.keyAt(i);
if (grantUri.sourceUserId == userId || !checkUser) {
if (matchesProvider(grantUri.uri, cpi)) {
return true;
}
}
}
}
return false;
}
/**
* Returns true if the uri authority is one of the authorities specified in the provider.
*/
boolean matchesProvider(Uri uri, ProviderInfo cpi) {
String uriAuth = uri.getAuthority();
String cpiAuth = cpi.authority;
if (cpiAuth.indexOf(';') == -1) {
return cpiAuth.equals(uriAuth);
}
String[] cpiAuths = cpiAuth.split(";");
int length = cpiAuths.length;
for (int i = 0; i < length; i++) {
if (cpiAuths[i].equals(uriAuth)) return true;
}
return false;
}
ContentProviderConnection incProviderCountLocked(ProcessRecord r,
final ContentProviderRecord cpr, IBinder externalProcessToken, boolean stable) {
if (r != null) {
for (int i=0; i= N) {
final long origId = Binder.clearCallingIdentity();
try {
// Content provider is now in use, its package can't be stopped.
try {
checkTime(startTime, "getContentProviderImpl: before set stopped state");
AppGlobals.getPackageManager().setPackageStoppedState(
cpr.appInfo.packageName, false, userId);
checkTime(startTime, "getContentProviderImpl: after set stopped state");
} catch (RemoteException e) {
} catch (IllegalArgumentException e) {
Slog.w(TAG, "Failed trying to unstop package "
+ cpr.appInfo.packageName + ": " + e);
}
// Use existing process if already started
checkTime(startTime, "getContentProviderImpl: looking for process record");
ProcessRecord proc = getProcessRecordLocked(
cpi.processName, cpr.appInfo.uid, false);
if (proc != null && proc.thread != null) {
if (DEBUG_PROVIDER) {
Slog.d(TAG, "Installing in existing process " + proc);
}
checkTime(startTime, "getContentProviderImpl: scheduling install");
proc.pubProviders.put(cpi.name, cpr);
try {
proc.thread.scheduleInstallProvider(cpi);
} catch (RemoteException e) {
}
} else {
checkTime(startTime, "getContentProviderImpl: before start process");
proc = startProcessLocked(cpi.processName,
cpr.appInfo, false, 0, "content provider",
new ComponentName(cpi.applicationInfo.packageName,
cpi.name), false, false, false);
checkTime(startTime, "getContentProviderImpl: after start process");
if (proc == null) {
Slog.w(TAG, "Unable to launch app "
+ cpi.applicationInfo.packageName + "/"
+ cpi.applicationInfo.uid + " for provider "
+ name + ": process is bad");
return null;
}
}
cpr.launchingApp = proc;
mLaunchingProviders.add(cpr);
} finally {
Binder.restoreCallingIdentity(origId);
}
}
checkTime(startTime, "getContentProviderImpl: updating data structures");
// Make sure the provider is published (the same provider class
// may be published under multiple names).
if (firstClass) {
mProviderMap.putProviderByClass(comp, cpr);
}
mProviderMap.putProviderByName(name, cpr);
conn = incProviderCountLocked(r, cpr, token, stable);
if (conn != null) {
conn.waiting = true;
}
}
checkTime(startTime, "getContentProviderImpl: done!");
}
// Wait for the provider to be published...
synchronized (cpr) {
while (cpr.provider == null) {
if (cpr.launchingApp == null) {
Slog.w(TAG, "Unable to launch app "
+ cpi.applicationInfo.packageName + "/"
+ cpi.applicationInfo.uid + " for provider "
+ name + ": launching app became null");
EventLog.writeEvent(EventLogTags.AM_PROVIDER_LOST_PROCESS,
UserHandle.getUserId(cpi.applicationInfo.uid),
cpi.applicationInfo.packageName,
cpi.applicationInfo.uid, name);
return null;
}
try {
if (DEBUG_MU) {
Slog.v(TAG_MU, "Waiting to start provider " + cpr + " launchingApp="
+ cpr.launchingApp);
}
if (conn != null) {
conn.waiting = true;
}
cpr.wait();
} catch (InterruptedException ex) {
} finally {
if (conn != null) {
conn.waiting = false;
}
}
}
}
return cpr != null ? cpr.newHolder(conn) : null;
}
@Override
public final ContentProviderHolder getContentProvider(
IApplicationThread caller, String name, int userId, boolean stable) {
enforceNotIsolatedCaller("getContentProvider");
if (caller == null) {
String msg = "null IApplicationThread when getting content provider "
+ name;
Slog.w(TAG, msg);
throw new SecurityException(msg);
}
// The incoming user check is now handled in checkContentProviderPermissionLocked() to deal
// with cross-user grant.
return getContentProviderImpl(caller, name, null, stable, userId);
}
public ContentProviderHolder getContentProviderExternal(
String name, int userId, IBinder token) {
enforceCallingPermission(android.Manifest.permission.ACCESS_CONTENT_PROVIDERS_EXTERNALLY,
"Do not have permission in call getContentProviderExternal()");
userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), userId,
false, ALLOW_FULL_ONLY, "getContentProvider", null);
return getContentProviderExternalUnchecked(name, token, userId);
}
private ContentProviderHolder getContentProviderExternalUnchecked(String name,
IBinder token, int userId) {
return getContentProviderImpl(null, name, token, true, userId);
}
/**
* Drop a content provider from a ProcessRecord's bookkeeping
*/
public void removeContentProvider(IBinder connection, boolean stable) {
enforceNotIsolatedCaller("removeContentProvider");
long ident = Binder.clearCallingIdentity();
try {
synchronized (this) {
ContentProviderConnection conn;
try {
conn = (ContentProviderConnection)connection;
} catch (ClassCastException e) {
String msg ="removeContentProvider: " + connection
+ " not a ContentProviderConnection";
Slog.w(TAG, msg);
throw new IllegalArgumentException(msg);
}
if (conn == null) {
throw new NullPointerException("connection is null");
}
if (decProviderCountLocked(conn, null, null, stable)) {
updateOomAdjLocked();
}
}
} finally {
Binder.restoreCallingIdentity(ident);
}
}
public void removeContentProviderExternal(String name, IBinder token) {
enforceCallingPermission(android.Manifest.permission.ACCESS_CONTENT_PROVIDERS_EXTERNALLY,
"Do not have permission in call removeContentProviderExternal()");
int userId = UserHandle.getCallingUserId();
long ident = Binder.clearCallingIdentity();
try {
removeContentProviderExternalUnchecked(name, token, userId);
} finally {
Binder.restoreCallingIdentity(ident);
}
}
private void removeContentProviderExternalUnchecked(String name, IBinder token, int userId) {
synchronized (this) {
ContentProviderRecord cpr = mProviderMap.getProviderByName(name, userId);
if(cpr == null) {
//remove from mProvidersByClass
if(localLOGV) Slog.v(TAG, name+" content provider not found in providers list");
return;
}
//update content provider record entry info
ComponentName comp = new ComponentName(cpr.info.packageName, cpr.info.name);
ContentProviderRecord localCpr = mProviderMap.getProviderByClass(comp, userId);
if (localCpr.hasExternalProcessHandles()) {
if (localCpr.removeExternalProcessHandleLocked(token)) {
updateOomAdjLocked();
} else {
Slog.e(TAG, "Attmpt to remove content provider " + localCpr
+ " with no external reference for token: "
+ token + ".");
}
} else {
Slog.e(TAG, "Attmpt to remove content provider: " + localCpr
+ " with no external references.");
}
}
}
public final void publishContentProviders(IApplicationThread caller,
List providers) {
if (providers == null) {
return;
}
enforceNotIsolatedCaller("publishContentProviders");
synchronized (this) {
final ProcessRecord r = getRecordForAppLocked(caller);
if (DEBUG_MU)
Slog.v(TAG_MU, "ProcessRecord uid = " + r.uid);
if (r == null) {
throw new SecurityException(
"Unable to find app for caller " + caller
+ " (pid=" + Binder.getCallingPid()
+ ") when publishing content providers");
}
final long origId = Binder.clearCallingIdentity();
final int N = providers.size();
for (int i=0; i 0) {
conn.numStableIncs += stable;
}
stable = conn.stableCount + stable;
if (stable < 0) {
throw new IllegalStateException("stableCount < 0: " + stable);
}
if (unstable > 0) {
conn.numUnstableIncs += unstable;
}
unstable = conn.unstableCount + unstable;
if (unstable < 0) {
throw new IllegalStateException("unstableCount < 0: " + unstable);
}
if ((stable+unstable) <= 0) {
throw new IllegalStateException("ref counts can't go to zero here: stable="
+ stable + " unstable=" + unstable);
}
conn.stableCount = stable;
conn.unstableCount = unstable;
return !conn.dead;
}
}
public void unstableProviderDied(IBinder connection) {
ContentProviderConnection conn;
try {
conn = (ContentProviderConnection)connection;
} catch (ClassCastException e) {
String msg ="refContentProvider: " + connection
+ " not a ContentProviderConnection";
Slog.w(TAG, msg);
throw new IllegalArgumentException(msg);
}
if (conn == null) {
throw new NullPointerException("connection is null");
}
// Safely retrieve the content provider associated with the connection.
IContentProvider provider;
synchronized (this) {
provider = conn.provider.provider;
}
if (provider == null) {
// Um, yeah, we're way ahead of you.
return;
}
// Make sure the caller is being honest with us.
if (provider.asBinder().pingBinder()) {
// Er, no, still looks good to us.
synchronized (this) {
Slog.w(TAG, "unstableProviderDied: caller " + Binder.getCallingUid()
+ " says " + conn + " died, but we don't agree");
return;
}
}
// Well look at that! It's dead!
synchronized (this) {
if (conn.provider.provider != provider) {
// But something changed... good enough.
return;
}
ProcessRecord proc = conn.provider.proc;
if (proc == null || proc.thread == null) {
// Seems like the process is already cleaned up.
return;
}
// As far as we're concerned, this is just like receiving a
// death notification... just a bit prematurely.
Slog.i(TAG, "Process " + proc.processName + " (pid " + proc.pid
+ ") early provider death");
final long ident = Binder.clearCallingIdentity();
try {
appDiedLocked(proc);
} finally {
Binder.restoreCallingIdentity(ident);
}
}
}
@Override
public void appNotRespondingViaProvider(IBinder connection) {
enforceCallingPermission(
android.Manifest.permission.REMOVE_TASKS, "appNotRespondingViaProvider()");
final ContentProviderConnection conn = (ContentProviderConnection) connection;
if (conn == null) {
Slog.w(TAG, "ContentProviderConnection is null");
return;
}
final ProcessRecord host = conn.provider.proc;
if (host == null) {
Slog.w(TAG, "Failed to find hosting ProcessRecord");
return;
}
final long token = Binder.clearCallingIdentity();
try {
appNotResponding(host, null, null, false, "ContentProvider not responding");
} finally {
Binder.restoreCallingIdentity(token);
}
}
public final void installSystemProviders() {
List providers;
synchronized (this) {
ProcessRecord app = mProcessNames.get("system", Process.SYSTEM_UID);
providers = generateApplicationProvidersLocked(app);
if (providers != null) {
for (int i=providers.size()-1; i>=0; i--) {
ProviderInfo pi = (ProviderInfo)providers.get(i);
if ((pi.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) == 0) {
Slog.w(TAG, "Not installing system proc provider " + pi.name
+ ": not system .apk");
providers.remove(i);
}
}
}
}
if (providers != null) {
mSystemThread.installSystemProviders(providers);
}
mCoreSettingsObserver = new CoreSettingsObserver(this);
//mUsageStatsService.monitorPackages();
}
/**
* Allows apps to retrieve the MIME type of a URI.
* If an app is in the same user as the ContentProvider, or if it is allowed to interact across
* users, then it does not need permission to access the ContentProvider.
* Either, it needs cross-user uri grants.
*
* CTS tests for this functionality can be run with "runtest cts-appsecurity".
*
* Test cases are at cts/tests/appsecurity-tests/test-apps/UsePermissionDiffCert/
* src/com/android/cts/usespermissiondiffcertapp/AccessPermissionWithDiffSigTest.java
*/
public String getProviderMimeType(Uri uri, int userId) {
enforceNotIsolatedCaller("getProviderMimeType");
final String name = uri.getAuthority();
int callingUid = Binder.getCallingUid();
int callingPid = Binder.getCallingPid();
long ident = 0;
boolean clearedIdentity = false;
userId = unsafeConvertIncomingUser(userId);
if (canClearIdentity(callingPid, callingUid, userId)) {
clearedIdentity = true;
ident = Binder.clearCallingIdentity();
}
ContentProviderHolder holder = null;
try {
holder = getContentProviderExternalUnchecked(name, null, userId);
if (holder != null) {
return holder.provider.getType(uri);
}
} catch (RemoteException e) {
Log.w(TAG, "Content provider dead retrieving " + uri, e);
return null;
} finally {
// We need to clear the identity to call removeContentProviderExternalUnchecked
if (!clearedIdentity) {
ident = Binder.clearCallingIdentity();
}
try {
if (holder != null) {
removeContentProviderExternalUnchecked(name, null, userId);
}
} finally {
Binder.restoreCallingIdentity(ident);
}
}
return null;
}
private boolean canClearIdentity(int callingPid, int callingUid, int userId) {
if (UserHandle.getUserId(callingUid) == userId) {
return true;
}
if (checkComponentPermission(INTERACT_ACROSS_USERS, callingPid,
callingUid, -1, true) == PackageManager.PERMISSION_GRANTED
|| checkComponentPermission(INTERACT_ACROSS_USERS_FULL, callingPid,
callingUid, -1, true) == PackageManager.PERMISSION_GRANTED) {
return true;
}
return false;
}
// =========================================================
// GLOBAL MANAGEMENT
// =========================================================
final ProcessRecord newProcessRecordLocked(ApplicationInfo info, String customProcess,
boolean isolated, int isolatedUid) {
String proc = customProcess != null ? customProcess : info.processName;
BatteryStatsImpl.Uid.Proc ps = null;
BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics();
int uid = info.uid;
if (isolated) {
if (isolatedUid == 0) {
int userId = UserHandle.getUserId(uid);
int stepsLeft = Process.LAST_ISOLATED_UID - Process.FIRST_ISOLATED_UID + 1;
while (true) {
if (mNextIsolatedProcessUid < Process.FIRST_ISOLATED_UID
|| mNextIsolatedProcessUid > Process.LAST_ISOLATED_UID) {
mNextIsolatedProcessUid = Process.FIRST_ISOLATED_UID;
}
uid = UserHandle.getUid(userId, mNextIsolatedProcessUid);
mNextIsolatedProcessUid++;
if (mIsolatedProcesses.indexOfKey(uid) < 0) {
// No process for this uid, use it.
break;
}
stepsLeft--;
if (stepsLeft <= 0) {
return null;
}
}
} else {
// Special case for startIsolatedProcess (internal only), where
// the uid of the isolated process is specified by the caller.
uid = isolatedUid;
}
}
return new ProcessRecord(stats, info, proc, uid);
}
final ProcessRecord addAppLocked(ApplicationInfo info, boolean isolated,
String abiOverride) {
ProcessRecord app;
if (!isolated) {
app = getProcessRecordLocked(info.processName, info.uid, true);
} else {
app = null;
}
if (app == null) {
app = newProcessRecordLocked(info, null, isolated, 0);
mProcessNames.put(info.processName, app.uid, app);
if (isolated) {
mIsolatedProcesses.put(app.uid, app);
}
updateLruProcessLocked(app, false, null);
updateOomAdjLocked();
}
// This package really, really can not be stopped.
try {
AppGlobals.getPackageManager().setPackageStoppedState(
info.packageName, false, UserHandle.getUserId(app.uid));
} catch (RemoteException e) {
} catch (IllegalArgumentException e) {
Slog.w(TAG, "Failed trying to unstop package "
+ info.packageName + ": " + e);
}
if ((info.flags&(ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PERSISTENT))
== (ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PERSISTENT)) {
app.persistent = true;
app.maxAdj = ProcessList.PERSISTENT_PROC_ADJ;
}
if (app.thread == null && mPersistentStartingProcesses.indexOf(app) < 0) {
mPersistentStartingProcesses.add(app);
startProcessLocked(app, "added application", app.processName, abiOverride,
null /* entryPoint */, null /* entryPointArgs */);
}
return app;
}
public void unhandledBack() {
enforceCallingPermission(android.Manifest.permission.FORCE_BACK,
"unhandledBack()");
synchronized(this) {
final long origId = Binder.clearCallingIdentity();
try {
getFocusedStack().unhandledBackLocked();
} finally {
Binder.restoreCallingIdentity(origId);
}
}
}
public ParcelFileDescriptor openContentUri(Uri uri) throws RemoteException {
enforceNotIsolatedCaller("openContentUri");
final int userId = UserHandle.getCallingUserId();
String name = uri.getAuthority();
ContentProviderHolder cph = getContentProviderExternalUnchecked(name, null, userId);
ParcelFileDescriptor pfd = null;
if (cph != null) {
// We record the binder invoker's uid in thread-local storage before
// going to the content provider to open the file. Later, in the code
// that handles all permissions checks, we look for this uid and use
// that rather than the Activity Manager's own uid. The effect is that
// we do the check against the caller's permissions even though it looks
// to the content provider like the Activity Manager itself is making
// the request.
Binder token = new Binder();
sCallerIdentity.set(new Identity(
token, Binder.getCallingPid(), Binder.getCallingUid()));
try {
pfd = cph.provider.openFile(null, uri, "r", null, token);
} catch (FileNotFoundException e) {
// do nothing; pfd will be returned null
} finally {
// Ensure that whatever happens, we clean up the identity state
sCallerIdentity.remove();
}
// We've got the fd now, so we're done with the provider.
removeContentProviderExternalUnchecked(name, null, userId);
} else {
Slog.d(TAG, "Failed to get provider for authority '" + name + "'");
}
return pfd;
}
// Actually is sleeping or shutting down or whatever else in the future
// is an inactive state.
public boolean isSleepingOrShuttingDown() {
return isSleeping() || mShuttingDown;
}
public boolean isSleeping() {
return mSleeping;
}
void onWakefulnessChanged(int wakefulness) {
synchronized(this) {
mWakefulness = wakefulness;
updateSleepIfNeededLocked();
}
}
void finishRunningVoiceLocked() {
if (mRunningVoice) {
mRunningVoice = false;
updateSleepIfNeededLocked();
}
}
void updateSleepIfNeededLocked() {
if (mSleeping && !shouldSleepLocked()) {
mSleeping = false;
mStackSupervisor.comeOutOfSleepIfNeededLocked();
} else if (!mSleeping && shouldSleepLocked()) {
mSleeping = true;
mStackSupervisor.goingToSleepLocked();
// Initialize the wake times of all processes.
checkExcessivePowerUsageLocked(false);
mHandler.removeMessages(CHECK_EXCESSIVE_WAKE_LOCKS_MSG);
Message nmsg = mHandler.obtainMessage(CHECK_EXCESSIVE_WAKE_LOCKS_MSG);
mHandler.sendMessageDelayed(nmsg, POWER_CHECK_DELAY);
}
}
private boolean shouldSleepLocked() {
// Resume applications while running a voice interactor.
if (mRunningVoice) {
return false;
}
switch (mWakefulness) {
case PowerManagerInternal.WAKEFULNESS_AWAKE:
case PowerManagerInternal.WAKEFULNESS_DREAMING:
// If we're interactive but applications are already paused then defer
// resuming them until the lock screen is hidden.
return mSleeping && mLockScreenShown != LOCK_SCREEN_HIDDEN;
case PowerManagerInternal.WAKEFULNESS_DOZING:
// If we're dozing then pause applications whenever the lock screen is shown.
return mLockScreenShown != LOCK_SCREEN_HIDDEN;
case PowerManagerInternal.WAKEFULNESS_ASLEEP:
default:
// If we're asleep then pause applications unconditionally.
return true;
}
}
/** Pokes the task persister. */
void notifyTaskPersisterLocked(TaskRecord task, boolean flush) {
if (task != null && task.stack != null && task.stack.isHomeStack()) {
// Never persist the home stack.
return;
}
mTaskPersister.wakeup(task, flush);
}
/** Notifies all listeners when the task stack has changed. */
void notifyTaskStackChangedLocked() {
mHandler.removeMessages(NOTIFY_TASK_STACK_CHANGE_LISTENERS_MSG);
Message nmsg = mHandler.obtainMessage(NOTIFY_TASK_STACK_CHANGE_LISTENERS_MSG);
mHandler.sendMessageDelayed(nmsg, NOTIFY_TASK_STACK_CHANGE_LISTENERS_DELAY);
}
@Override
public boolean shutdown(int timeout) {
if (checkCallingPermission(android.Manifest.permission.SHUTDOWN)
!= PackageManager.PERMISSION_GRANTED) {
throw new SecurityException("Requires permission "
+ android.Manifest.permission.SHUTDOWN);
}
boolean timedout = false;
synchronized(this) {
mShuttingDown = true;
updateEventDispatchingLocked();
timedout = mStackSupervisor.shutdownLocked(timeout);
}
mAppOpsService.shutdown();
if (mUsageStatsService != null) {
mUsageStatsService.prepareShutdown();
}
mBatteryStatsService.shutdown();
synchronized (this) {
mProcessStats.shutdownLocked();
notifyTaskPersisterLocked(null, true);
}
return timedout;
}
public final void activitySlept(IBinder token) {
if (localLOGV) Slog.v(TAG, "Activity slept: token=" + token);
final long origId = Binder.clearCallingIdentity();
synchronized (this) {
final ActivityRecord r = ActivityRecord.isInStackLocked(token);
if (r != null) {
mStackSupervisor.activitySleptLocked(r);
}
}
Binder.restoreCallingIdentity(origId);
}
private String lockScreenShownToString() {
switch (mLockScreenShown) {
case LOCK_SCREEN_HIDDEN: return "LOCK_SCREEN_HIDDEN";
case LOCK_SCREEN_LEAVING: return "LOCK_SCREEN_LEAVING";
case LOCK_SCREEN_SHOWN: return "LOCK_SCREEN_SHOWN";
default: return "Unknown=" + mLockScreenShown;
}
}
void logLockScreen(String msg) {
if (DEBUG_LOCKSCREEN) Slog.d(TAG, Debug.getCallers(2) + ":" + msg
+ " mLockScreenShown=" + lockScreenShownToString() + " mWakefulness="
+ PowerManagerInternal.wakefulnessToString(mWakefulness)
+ " mSleeping=" + mSleeping);
}
void startRunningVoiceLocked() {
if (!mRunningVoice) {
mRunningVoice = true;
updateSleepIfNeededLocked();
}
}
private void updateEventDispatchingLocked() {
mWindowManager.setEventDispatching(mBooted && !mShuttingDown);
}
public void setLockScreenShown(boolean shown) {
if (checkCallingPermission(android.Manifest.permission.DEVICE_POWER)
!= PackageManager.PERMISSION_GRANTED) {
throw new SecurityException("Requires permission "
+ android.Manifest.permission.DEVICE_POWER);
}
synchronized(this) {
long ident = Binder.clearCallingIdentity();
try {
if (DEBUG_LOCKSCREEN) logLockScreen(" shown=" + shown);
mLockScreenShown = shown ? LOCK_SCREEN_SHOWN : LOCK_SCREEN_HIDDEN;
updateSleepIfNeededLocked();
} finally {
Binder.restoreCallingIdentity(ident);
}
}
}
@Override
public void stopAppSwitches() {
if (checkCallingPermission(android.Manifest.permission.STOP_APP_SWITCHES)
!= PackageManager.PERMISSION_GRANTED) {
throw new SecurityException("Requires permission "
+ android.Manifest.permission.STOP_APP_SWITCHES);
}
synchronized(this) {
mAppSwitchesAllowedTime = SystemClock.uptimeMillis()
+ APP_SWITCH_DELAY_TIME;
mDidAppSwitch = false;
mHandler.removeMessages(DO_PENDING_ACTIVITY_LAUNCHES_MSG);
Message msg = mHandler.obtainMessage(DO_PENDING_ACTIVITY_LAUNCHES_MSG);
mHandler.sendMessageDelayed(msg, APP_SWITCH_DELAY_TIME);
}
}
public void resumeAppSwitches() {
if (checkCallingPermission(android.Manifest.permission.STOP_APP_SWITCHES)
!= PackageManager.PERMISSION_GRANTED) {
throw new SecurityException("Requires permission "
+ android.Manifest.permission.STOP_APP_SWITCHES);
}
synchronized(this) {
// Note that we don't execute any pending app switches... we will
// let those wait until either the timeout, or the next start
// activity request.
mAppSwitchesAllowedTime = 0;
}
}
boolean checkAppSwitchAllowedLocked(int sourcePid, int sourceUid,
int callingPid, int callingUid, String name) {
if (mAppSwitchesAllowedTime < SystemClock.uptimeMillis()) {
return true;
}
int perm = checkComponentPermission(
android.Manifest.permission.STOP_APP_SWITCHES, sourcePid,
sourceUid, -1, true);
if (perm == PackageManager.PERMISSION_GRANTED) {
return true;
}
// If the actual IPC caller is different from the logical source, then
// also see if they are allowed to control app switches.
if (callingUid != -1 && callingUid != sourceUid) {
perm = checkComponentPermission(
android.Manifest.permission.STOP_APP_SWITCHES, callingPid,
callingUid, -1, true);
if (perm == PackageManager.PERMISSION_GRANTED) {
return true;
}
}
Slog.w(TAG, name + " request from " + sourceUid + " stopped");
return false;
}
public void setDebugApp(String packageName, boolean waitForDebugger,
boolean persistent) {
enforceCallingPermission(android.Manifest.permission.SET_DEBUG_APP,
"setDebugApp()");
long ident = Binder.clearCallingIdentity();
try {
// Note that this is not really thread safe if there are multiple
// callers into it at the same time, but that's not a situation we
// care about.
if (persistent) {
final ContentResolver resolver = mContext.getContentResolver();
Settings.Global.putString(
resolver, Settings.Global.DEBUG_APP,
packageName);
Settings.Global.putInt(
resolver, Settings.Global.WAIT_FOR_DEBUGGER,
waitForDebugger ? 1 : 0);
}
synchronized (this) {
if (!persistent) {
mOrigDebugApp = mDebugApp;
mOrigWaitForDebugger = mWaitForDebugger;
}
mDebugApp = packageName;
mWaitForDebugger = waitForDebugger;
mDebugTransient = !persistent;
if (packageName != null) {
forceStopPackageLocked(packageName, -1, false, false, true, true,
false, UserHandle.USER_ALL, "set debug app");
}
}
} finally {
Binder.restoreCallingIdentity(ident);
}
}
void setOpenGlTraceApp(ApplicationInfo app, String processName) {
synchronized (this) {
boolean isDebuggable = "1".equals(SystemProperties.get(SYSTEM_DEBUGGABLE, "0"));
if (!isDebuggable) {
if ((app.flags&ApplicationInfo.FLAG_DEBUGGABLE) == 0) {
throw new SecurityException("Process not debuggable: " + app.packageName);
}
}
mOpenGlTraceApp = processName;
}
}
void setProfileApp(ApplicationInfo app, String processName, ProfilerInfo profilerInfo) {
synchronized (this) {
boolean isDebuggable = "1".equals(SystemProperties.get(SYSTEM_DEBUGGABLE, "0"));
if (!isDebuggable) {
if ((app.flags&ApplicationInfo.FLAG_DEBUGGABLE) == 0) {
throw new SecurityException("Process not debuggable: " + app.packageName);
}
}
mProfileApp = processName;
mProfileFile = profilerInfo.profileFile;
if (mProfileFd != null) {
try {
mProfileFd.close();
} catch (IOException e) {
}
mProfileFd = null;
}
mProfileFd = profilerInfo.profileFd;
mSamplingInterval = profilerInfo.samplingInterval;
mAutoStopProfiler = profilerInfo.autoStopProfiler;
mProfileType = 0;
}
}
@Override
public void setAlwaysFinish(boolean enabled) {
enforceCallingPermission(android.Manifest.permission.SET_ALWAYS_FINISH,
"setAlwaysFinish()");
Settings.Global.putInt(
mContext.getContentResolver(),
Settings.Global.ALWAYS_FINISH_ACTIVITIES, enabled ? 1 : 0);
synchronized (this) {
mAlwaysFinishActivities = enabled;
}
}
@Override
public void setActivityController(IActivityController controller) {
enforceCallingPermission(android.Manifest.permission.SET_ACTIVITY_WATCHER,
"setActivityController()");
synchronized (this) {
mController = controller;
Watchdog.getInstance().setActivityController(controller);
}
}
@Override
public void setUserIsMonkey(boolean userIsMonkey) {
synchronized (this) {
synchronized (mPidsSelfLocked) {
final int callingPid = Binder.getCallingPid();
ProcessRecord precessRecord = mPidsSelfLocked.get(callingPid);
if (precessRecord == null) {
throw new SecurityException("Unknown process: " + callingPid);
}
if (precessRecord.instrumentationUiAutomationConnection == null) {
throw new SecurityException("Only an instrumentation process "
+ "with a UiAutomation can call setUserIsMonkey");
}
}
mUserIsMonkey = userIsMonkey;
}
}
@Override
public boolean isUserAMonkey() {
synchronized (this) {
// If there is a controller also implies the user is a monkey.
return (mUserIsMonkey || mController != null);
}
}
public void requestBugReport() {
enforceCallingPermission(android.Manifest.permission.DUMP, "requestBugReport");
SystemProperties.set("ctl.start", "bugreport");
}
public static long getInputDispatchingTimeoutLocked(ActivityRecord r) {
return r != null ? getInputDispatchingTimeoutLocked(r.app) : KEY_DISPATCHING_TIMEOUT;
}
public static long getInputDispatchingTimeoutLocked(ProcessRecord r) {
if (r != null && (r.instrumentationClass != null || r.usingWrapper)) {
return INSTRUMENTATION_KEY_DISPATCHING_TIMEOUT;
}
return KEY_DISPATCHING_TIMEOUT;
}
@Override
public long inputDispatchingTimedOut(int pid, final boolean aboveSystem, String reason) {
if (checkCallingPermission(android.Manifest.permission.FILTER_EVENTS)
!= PackageManager.PERMISSION_GRANTED) {
throw new SecurityException("Requires permission "
+ android.Manifest.permission.FILTER_EVENTS);
}
ProcessRecord proc;
long timeout;
synchronized (this) {
synchronized (mPidsSelfLocked) {
proc = mPidsSelfLocked.get(pid);
}
timeout = getInputDispatchingTimeoutLocked(proc);
}
if (!inputDispatchingTimedOut(proc, null, null, aboveSystem, reason)) {
return -1;
}
return timeout;
}
/**
* Handle input dispatching timeouts.
* Returns whether input dispatching should be aborted or not.
*/
public boolean inputDispatchingTimedOut(final ProcessRecord proc,
final ActivityRecord activity, final ActivityRecord parent,
final boolean aboveSystem, String reason) {
if (checkCallingPermission(android.Manifest.permission.FILTER_EVENTS)
!= PackageManager.PERMISSION_GRANTED) {
throw new SecurityException("Requires permission "
+ android.Manifest.permission.FILTER_EVENTS);
}
final String annotation;
if (reason == null) {
annotation = "Input dispatching timed out";
} else {
annotation = "Input dispatching timed out (" + reason + ")";
}
if (proc != null) {
synchronized (this) {
if (proc.debugging) {
return false;
}
if (mDidDexOpt) {
// Give more time since we were dexopting.
mDidDexOpt = false;
return false;
}
if (proc.instrumentationClass != null) {
Bundle info = new Bundle();
info.putString("shortMsg", "keyDispatchingTimedOut");
info.putString("longMsg", annotation);
finishInstrumentationLocked(proc, Activity.RESULT_CANCELED, info);
return true;
}
}
mHandler.post(new Runnable() {
@Override
public void run() {
appNotResponding(proc, activity, parent, aboveSystem, annotation);
}
});
}
return true;
}
public Bundle getAssistContextExtras(int requestType) {
PendingAssistExtras pae = enqueueAssistContext(requestType, null, null,
UserHandle.getCallingUserId());
if (pae == null) {
return null;
}
synchronized (pae) {
while (!pae.haveResult) {
try {
pae.wait();
} catch (InterruptedException e) {
}
}
if (pae.result != null) {
pae.extras.putBundle(Intent.EXTRA_ASSIST_CONTEXT, pae.result);
}
}
synchronized (this) {
mPendingAssistExtras.remove(pae);
mHandler.removeCallbacks(pae);
}
return pae.extras;
}
private PendingAssistExtras enqueueAssistContext(int requestType, Intent intent, String hint,
int userHandle) {
enforceCallingPermission(android.Manifest.permission.GET_TOP_ACTIVITY_INFO,
"getAssistContextExtras()");
PendingAssistExtras pae;
Bundle extras = new Bundle();
synchronized (this) {
ActivityRecord activity = getFocusedStack().mResumedActivity;
if (activity == null) {
Slog.w(TAG, "getAssistContextExtras failed: no resumed activity");
return null;
}
extras.putString(Intent.EXTRA_ASSIST_PACKAGE, activity.packageName);
if (activity.app == null || activity.app.thread == null) {
Slog.w(TAG, "getAssistContextExtras failed: no process for " + activity);
return null;
}
if (activity.app.pid == Binder.getCallingPid()) {
Slog.w(TAG, "getAssistContextExtras failed: request process same as " + activity);
return null;
}
pae = new PendingAssistExtras(activity, extras, intent, hint, userHandle);
try {
activity.app.thread.requestAssistContextExtras(activity.appToken, pae,
requestType);
mPendingAssistExtras.add(pae);
mHandler.postDelayed(pae, PENDING_ASSIST_EXTRAS_TIMEOUT);
} catch (RemoteException e) {
Slog.w(TAG, "getAssistContextExtras failed: crash calling " + activity);
return null;
}
return pae;
}
}
public void reportAssistContextExtras(IBinder token, Bundle extras) {
PendingAssistExtras pae = (PendingAssistExtras)token;
synchronized (pae) {
pae.result = extras;
pae.haveResult = true;
pae.notifyAll();
if (pae.intent == null) {
// Caller is just waiting for the result.
return;
}
}
// We are now ready to launch the assist activity.
synchronized (this) {
boolean exists = mPendingAssistExtras.remove(pae);
mHandler.removeCallbacks(pae);
if (!exists) {
// Timed out.
return;
}
}
pae.intent.replaceExtras(extras);
if (pae.hint != null) {
pae.intent.putExtra(pae.hint, true);
}
pae.intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
| Intent.FLAG_ACTIVITY_SINGLE_TOP
| Intent.FLAG_ACTIVITY_CLEAR_TOP);
closeSystemDialogs("assist");
try {
mContext.startActivityAsUser(pae.intent, new UserHandle(pae.userHandle));
} catch (ActivityNotFoundException e) {
Slog.w(TAG, "No activity to handle assist action.", e);
}
}
public boolean launchAssistIntent(Intent intent, int requestType, String hint, int userHandle) {
return enqueueAssistContext(requestType, intent, hint, userHandle) != null;
}
public void registerProcessObserver(IProcessObserver observer) {
enforceCallingPermission(android.Manifest.permission.SET_ACTIVITY_WATCHER,
"registerProcessObserver()");
synchronized (this) {
mProcessObservers.register(observer);
}
}
@Override
public void unregisterProcessObserver(IProcessObserver observer) {
synchronized (this) {
mProcessObservers.unregister(observer);
}
}
@Override
public boolean convertFromTranslucent(IBinder token) {
final long origId = Binder.clearCallingIdentity();
try {
synchronized (this) {
final ActivityRecord r = ActivityRecord.isInStackLocked(token);
if (r == null) {
return false;
}
final boolean translucentChanged = r.changeWindowTranslucency(true);
if (translucentChanged) {
r.task.stack.releaseBackgroundResources();
mStackSupervisor.ensureActivitiesVisibleLocked(null, 0);
}
mWindowManager.setAppFullscreen(token, true);
return translucentChanged;
}
} finally {
Binder.restoreCallingIdentity(origId);
}
}
@Override
public boolean convertToTranslucent(IBinder token, ActivityOptions options) {
final long origId = Binder.clearCallingIdentity();
try {
synchronized (this) {
final ActivityRecord r = ActivityRecord.isInStackLocked(token);
if (r == null) {
return false;
}
int index = r.task.mActivities.lastIndexOf(r);
if (index > 0) {
ActivityRecord under = r.task.mActivities.get(index - 1);
under.returningOptions = options;
}
final boolean translucentChanged = r.changeWindowTranslucency(false);
if (translucentChanged) {
r.task.stack.convertToTranslucent(r);
}
mStackSupervisor.ensureActivitiesVisibleLocked(null, 0);
mWindowManager.setAppFullscreen(token, false);
return translucentChanged;
}
} finally {
Binder.restoreCallingIdentity(origId);
}
}
@Override
public boolean requestVisibleBehind(IBinder token, boolean visible) {
final long origId = Binder.clearCallingIdentity();
try {
synchronized (this) {
final ActivityRecord r = ActivityRecord.isInStackLocked(token);
if (r != null) {
return mStackSupervisor.requestVisibleBehindLocked(r, visible);
}
}
return false;
} finally {
Binder.restoreCallingIdentity(origId);
}
}
@Override
public boolean isBackgroundVisibleBehind(IBinder token) {
final long origId = Binder.clearCallingIdentity();
try {
synchronized (this) {
final ActivityStack stack = ActivityRecord.getStackLocked(token);
final boolean visible = stack == null ? false : stack.hasVisibleBehindActivity();
if (ActivityStackSupervisor.DEBUG_VISIBLE_BEHIND) Slog.d(TAG,
"isBackgroundVisibleBehind: stack=" + stack + " visible=" + visible);
return visible;
}
} finally {
Binder.restoreCallingIdentity(origId);
}
}
@Override
public ActivityOptions getActivityOptions(IBinder token) {
final long origId = Binder.clearCallingIdentity();
try {
synchronized (this) {
final ActivityRecord r = ActivityRecord.isInStackLocked(token);
if (r != null) {
final ActivityOptions activityOptions = r.pendingOptions;
r.pendingOptions = null;
return activityOptions;
}
return null;
}
} finally {
Binder.restoreCallingIdentity(origId);
}
}
@Override
public void setImmersive(IBinder token, boolean immersive) {
synchronized(this) {
final ActivityRecord r = ActivityRecord.isInStackLocked(token);
if (r == null) {
throw new IllegalArgumentException();
}
r.immersive = immersive;
// update associated state if we're frontmost
if (r == mFocusedActivity) {
if (DEBUG_IMMERSIVE) {
Slog.d(TAG, "Frontmost changed immersion: "+ r);
}
applyUpdateLockStateLocked(r);
}
}
}
@Override
public boolean isImmersive(IBinder token) {
synchronized (this) {
ActivityRecord r = ActivityRecord.isInStackLocked(token);
if (r == null) {
throw new IllegalArgumentException();
}
return r.immersive;
}
}
public boolean isTopActivityImmersive() {
enforceNotIsolatedCaller("startActivity");
synchronized (this) {
ActivityRecord r = getFocusedStack().topRunningActivityLocked(null);
return (r != null) ? r.immersive : false;
}
}
@Override
public boolean isTopOfTask(IBinder token) {
synchronized (this) {
ActivityRecord r = ActivityRecord.isInStackLocked(token);
if (r == null) {
throw new IllegalArgumentException();
}
return r.task.getTopActivity() == r;
}
}
public final void enterSafeMode() {
synchronized(this) {
// It only makes sense to do this before the system is ready
// and started launching other packages.
if (!mSystemReady) {
try {
AppGlobals.getPackageManager().enterSafeMode();
} catch (RemoteException e) {
}
}
mSafeMode = true;
}
}
public final void showSafeModeOverlay() {
View v = LayoutInflater.from(mContext).inflate(
com.android.internal.R.layout.safe_mode, null);
WindowManager.LayoutParams lp = new WindowManager.LayoutParams();
lp.type = WindowManager.LayoutParams.TYPE_SECURE_SYSTEM_OVERLAY;
lp.width = WindowManager.LayoutParams.WRAP_CONTENT;
lp.height = WindowManager.LayoutParams.WRAP_CONTENT;
lp.gravity = Gravity.BOTTOM | Gravity.START;
lp.format = v.getBackground().getOpacity();
lp.flags = WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
| WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE;
lp.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS;
((WindowManager)mContext.getSystemService(
Context.WINDOW_SERVICE)).addView(v, lp);
}
public void noteWakeupAlarm(IIntentSender sender, int sourceUid, String sourcePkg) {
if (!(sender instanceof PendingIntentRecord)) {
return;
}
BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics();
synchronized (stats) {
if (mBatteryStatsService.isOnBattery()) {
mBatteryStatsService.enforceCallingPermission();
PendingIntentRecord rec = (PendingIntentRecord)sender;
int MY_UID = Binder.getCallingUid();
int uid = rec.uid == MY_UID ? Process.SYSTEM_UID : rec.uid;
BatteryStatsImpl.Uid.Pkg pkg =
stats.getPackageStatsLocked(sourceUid >= 0 ? sourceUid : uid,
sourcePkg != null ? sourcePkg : rec.key.packageName);
pkg.incWakeupsLocked();
}
}
}
public boolean killPids(int[] pids, String pReason, boolean secure) {
if (Binder.getCallingUid() != Process.SYSTEM_UID) {
throw new SecurityException("killPids only available to the system");
}
String reason = (pReason == null) ? "Unknown" : pReason;
// XXX Note: don't acquire main activity lock here, because the window
// manager calls in with its locks held.
boolean killed = false;
synchronized (mPidsSelfLocked) {
int[] types = new int[pids.length];
int worstType = 0;
for (int i=0; i worstType) {
worstType = type;
}
}
}
// If the worst oom_adj is somewhere in the cached proc LRU range,
// then constrain it so we will kill all cached procs.
if (worstType < ProcessList.CACHED_APP_MAX_ADJ
&& worstType > ProcessList.CACHED_APP_MIN_ADJ) {
worstType = ProcessList.CACHED_APP_MIN_ADJ;
}
// If this is not a secure call, don't let it kill processes that
// are important.
if (!secure && worstType < ProcessList.SERVICE_ADJ) {
worstType = ProcessList.SERVICE_ADJ;
}
Slog.w(TAG, "Killing processes " + reason + " at adjustment " + worstType);
for (int i=0; i= worstType && !proc.killedByAm) {
proc.kill(reason, true);
killed = true;
}
}
}
return killed;
}
@Override
public void killUid(int uid, String reason) {
if (Binder.getCallingUid() != Process.SYSTEM_UID) {
throw new SecurityException("killUid only available to the system");
}
synchronized (this) {
killPackageProcessesLocked(null, UserHandle.getAppId(uid), UserHandle.getUserId(uid),
ProcessList.FOREGROUND_APP_ADJ-1, false, true, true, false,
reason != null ? reason : "kill uid");
}
}
@Override
public boolean killProcessesBelowForeground(String reason) {
if (Binder.getCallingUid() != Process.SYSTEM_UID) {
throw new SecurityException("killProcessesBelowForeground() only available to system");
}
return killProcessesBelowAdj(ProcessList.FOREGROUND_APP_ADJ, reason);
}
private boolean killProcessesBelowAdj(int belowAdj, String reason) {
if (Binder.getCallingUid() != Process.SYSTEM_UID) {
throw new SecurityException("killProcessesBelowAdj() only available to system");
}
boolean killed = false;
synchronized (mPidsSelfLocked) {
final int size = mPidsSelfLocked.size();
for (int i = 0; i < size; i++) {
final int pid = mPidsSelfLocked.keyAt(i);
final ProcessRecord proc = mPidsSelfLocked.valueAt(i);
if (proc == null) continue;
final int adj = proc.setAdj;
if (adj > belowAdj && !proc.killedByAm) {
proc.kill(reason, true);
killed = true;
}
}
}
return killed;
}
@Override
public void hang(final IBinder who, boolean allowRestart) {
if (checkCallingPermission(android.Manifest.permission.SET_ACTIVITY_WATCHER)
!= PackageManager.PERMISSION_GRANTED) {
throw new SecurityException("Requires permission "
+ android.Manifest.permission.SET_ACTIVITY_WATCHER);
}
final IBinder.DeathRecipient death = new DeathRecipient() {
@Override
public void binderDied() {
synchronized (this) {
notifyAll();
}
}
};
try {
who.linkToDeath(death, 0);
} catch (RemoteException e) {
Slog.w(TAG, "hang: given caller IBinder is already dead.");
return;
}
synchronized (this) {
Watchdog.getInstance().setAllowRestart(allowRestart);
Slog.i(TAG, "Hanging system process at request of pid " + Binder.getCallingPid());
synchronized (death) {
while (who.isBinderAlive()) {
try {
death.wait();
} catch (InterruptedException e) {
}
}
}
Watchdog.getInstance().setAllowRestart(true);
}
}
@Override
public void restart() {
if (checkCallingPermission(android.Manifest.permission.SET_ACTIVITY_WATCHER)
!= PackageManager.PERMISSION_GRANTED) {
throw new SecurityException("Requires permission "
+ android.Manifest.permission.SET_ACTIVITY_WATCHER);
}
Log.i(TAG, "Sending shutdown broadcast...");
BroadcastReceiver br = new BroadcastReceiver() {
@Override public void onReceive(Context context, Intent intent) {
// Now the broadcast is done, finish up the low-level shutdown.
Log.i(TAG, "Shutting down activity manager...");
shutdown(10000);
Log.i(TAG, "Shutdown complete, restarting!");
Process.killProcess(Process.myPid());
System.exit(10);
}
};
// First send the high-level shut down broadcast.
Intent intent = new Intent(Intent.ACTION_SHUTDOWN);
intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND);
intent.putExtra(Intent.EXTRA_SHUTDOWN_USERSPACE_ONLY, true);
/* For now we are not doing a clean shutdown, because things seem to get unhappy.
mContext.sendOrderedBroadcastAsUser(intent,
UserHandle.ALL, null, br, mHandler, 0, null, null);
*/
br.onReceive(mContext, intent);
}
private long getLowRamTimeSinceIdle(long now) {
return mLowRamTimeSinceLastIdle + (mLowRamStartTime > 0 ? (now-mLowRamStartTime) : 0);
}
@Override
public void performIdleMaintenance() {
if (checkCallingPermission(android.Manifest.permission.SET_ACTIVITY_WATCHER)
!= PackageManager.PERMISSION_GRANTED) {
throw new SecurityException("Requires permission "
+ android.Manifest.permission.SET_ACTIVITY_WATCHER);
}
synchronized (this) {
final long now = SystemClock.uptimeMillis();
final long timeSinceLastIdle = now - mLastIdleTime;
final long lowRamSinceLastIdle = getLowRamTimeSinceIdle(now);
mLastIdleTime = now;
mLowRamTimeSinceLastIdle = 0;
if (mLowRamStartTime != 0) {
mLowRamStartTime = now;
}
StringBuilder sb = new StringBuilder(128);
sb.append("Idle maintenance over ");
TimeUtils.formatDuration(timeSinceLastIdle, sb);
sb.append(" low RAM for ");
TimeUtils.formatDuration(lowRamSinceLastIdle, sb);
Slog.i(TAG, sb.toString());
// If at least 1/3 of our time since the last idle period has been spent
// with RAM low, then we want to kill processes.
boolean doKilling = lowRamSinceLastIdle > (timeSinceLastIdle/3);
for (int i = mLruProcesses.size() - 1 ; i >= 0 ; i--) {
ProcessRecord proc = mLruProcesses.get(i);
if (proc.notCachedSinceIdle) {
if (proc.setProcState > ActivityManager.PROCESS_STATE_TOP
&& proc.setProcState <= ActivityManager.PROCESS_STATE_SERVICE) {
if (doKilling && proc.initialIdlePss != 0
&& proc.lastPss > ((proc.initialIdlePss*3)/2)) {
sb = new StringBuilder(128);
sb.append("Kill");
sb.append(proc.processName);
sb.append(" in idle maint: pss=");
sb.append(proc.lastPss);
sb.append(", initialPss=");
sb.append(proc.initialIdlePss);
sb.append(", period=");
TimeUtils.formatDuration(timeSinceLastIdle, sb);
sb.append(", lowRamPeriod=");
TimeUtils.formatDuration(lowRamSinceLastIdle, sb);
Slog.wtfQuiet(TAG, sb.toString());
proc.kill("idle maint (pss " + proc.lastPss
+ " from " + proc.initialIdlePss + ")", true);
}
}
} else if (proc.setProcState < ActivityManager.PROCESS_STATE_HOME) {
proc.notCachedSinceIdle = true;
proc.initialIdlePss = 0;
proc.nextPssTime = ProcessList.computeNextPssTime(proc.curProcState, true,
mTestPssMode, isSleeping(), now);
}
}
mHandler.removeMessages(REQUEST_ALL_PSS_MSG);
mHandler.sendEmptyMessageDelayed(REQUEST_ALL_PSS_MSG, 2*60*1000);
}
}
private void retrieveSettings() {
final ContentResolver resolver = mContext.getContentResolver();
String debugApp = Settings.Global.getString(
resolver, Settings.Global.DEBUG_APP);
boolean waitForDebugger = Settings.Global.getInt(
resolver, Settings.Global.WAIT_FOR_DEBUGGER, 0) != 0;
boolean alwaysFinishActivities = Settings.Global.getInt(
resolver, Settings.Global.ALWAYS_FINISH_ACTIVITIES, 0) != 0;
boolean forceRtl = Settings.Global.getInt(
resolver, Settings.Global.DEVELOPMENT_FORCE_RTL, 0) != 0;
// Transfer any global setting for forcing RTL layout, into a System Property
SystemProperties.set(Settings.Global.DEVELOPMENT_FORCE_RTL, forceRtl ? "1":"0");
Configuration configuration = new Configuration();
Settings.System.getConfiguration(resolver, configuration);
if (forceRtl) {
// This will take care of setting the correct layout direction flags
configuration.setLayoutDirection(configuration.locale);
}
synchronized (this) {
mDebugApp = mOrigDebugApp = debugApp;
mWaitForDebugger = mOrigWaitForDebugger = waitForDebugger;
mAlwaysFinishActivities = alwaysFinishActivities;
// This happens before any activities are started, so we can
// change mConfiguration in-place.
updateConfigurationLocked(configuration, null, false, true);
if (DEBUG_CONFIGURATION) Slog.v(TAG, "Initial config: " + mConfiguration);
}
}
/** Loads resources after the current configuration has been set. */
private void loadResourcesOnSystemReady() {
final Resources res = mContext.getResources();
mHasRecents = res.getBoolean(com.android.internal.R.bool.config_hasRecents);
mThumbnailWidth = res.getDimensionPixelSize(com.android.internal.R.dimen.thumbnail_width);
mThumbnailHeight = res.getDimensionPixelSize(com.android.internal.R.dimen.thumbnail_height);
}
public boolean testIsSystemReady() {
// no need to synchronize(this) just to read & return the value
return mSystemReady;
}
private static File getCalledPreBootReceiversFile() {
File dataDir = Environment.getDataDirectory();
File systemDir = new File(dataDir, "system");
File fname = new File(systemDir, CALLED_PRE_BOOTS_FILENAME);
return fname;
}
private static ArrayList readLastDonePreBootReceivers() {
ArrayList lastDoneReceivers = new ArrayList();
File file = getCalledPreBootReceiversFile();
FileInputStream fis = null;
try {
fis = new FileInputStream(file);
DataInputStream dis = new DataInputStream(new BufferedInputStream(fis, 2048));
int fvers = dis.readInt();
if (fvers == LAST_PREBOOT_DELIVERED_FILE_VERSION) {
String vers = dis.readUTF();
String codename = dis.readUTF();
String build = dis.readUTF();
if (android.os.Build.VERSION.RELEASE.equals(vers)
&& android.os.Build.VERSION.CODENAME.equals(codename)
&& android.os.Build.VERSION.INCREMENTAL.equals(build)) {
int num = dis.readInt();
while (num > 0) {
num--;
String pkg = dis.readUTF();
String cls = dis.readUTF();
lastDoneReceivers.add(new ComponentName(pkg, cls));
}
}
}
} catch (FileNotFoundException e) {
} catch (IOException e) {
Slog.w(TAG, "Failure reading last done pre-boot receivers", e);
} finally {
if (fis != null) {
try {
fis.close();
} catch (IOException e) {
}
}
}
return lastDoneReceivers;
}
private static void writeLastDonePreBootReceivers(ArrayList list) {
File file = getCalledPreBootReceiversFile();
FileOutputStream fos = null;
DataOutputStream dos = null;
try {
fos = new FileOutputStream(file);
dos = new DataOutputStream(new BufferedOutputStream(fos, 2048));
dos.writeInt(LAST_PREBOOT_DELIVERED_FILE_VERSION);
dos.writeUTF(android.os.Build.VERSION.RELEASE);
dos.writeUTF(android.os.Build.VERSION.CODENAME);
dos.writeUTF(android.os.Build.VERSION.INCREMENTAL);
dos.writeInt(list.size());
for (int i=0; i doneReceivers, int userId) {
boolean waitingUpdate = false;
Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED);
List ris = null;
try {
ris = AppGlobals.getPackageManager().queryIntentReceivers(
intent, null, 0, userId);
} catch (RemoteException e) {
}
if (ris != null) {
for (int i=ris.size()-1; i>=0; i--) {
if ((ris.get(i).activityInfo.applicationInfo.flags
&ApplicationInfo.FLAG_SYSTEM) == 0) {
ris.remove(i);
}
}
intent.addFlags(Intent.FLAG_RECEIVER_BOOT_UPGRADE);
// For User 0, load the version number. When delivering to a new user, deliver
// to all receivers.
if (userId == UserHandle.USER_OWNER) {
ArrayList lastDoneReceivers = readLastDonePreBootReceivers();
for (int i=0; i doneReceivers = new ArrayList();
mWaitingUpdate = deliverPreBootCompleted(new Runnable() {
public void run() {
synchronized (ActivityManagerService.this) {
mDidUpdate = true;
}
writeLastDonePreBootReceivers(doneReceivers);
showBootMessage(mContext.getText(R.string.android_upgrading_complete),
false);
systemReady(goingCallback);
}
}, doneReceivers, UserHandle.USER_OWNER);
if (mWaitingUpdate) {
return;
}
mDidUpdate = true;
}
mAppOpsService.systemReady();
mSystemReady = true;
}
ArrayList procsToKill = null;
synchronized(mPidsSelfLocked) {
for (int i=mPidsSelfLocked.size()-1; i>=0; i--) {
ProcessRecord proc = mPidsSelfLocked.valueAt(i);
if (!isAllowedWhileBooting(proc.info)){
if (procsToKill == null) {
procsToKill = new ArrayList();
}
procsToKill.add(proc);
}
}
}
synchronized(this) {
if (procsToKill != null) {
for (int i=procsToKill.size()-1; i>=0; i--) {
ProcessRecord proc = procsToKill.get(i);
Slog.i(TAG, "Removing system update proc: " + proc);
removeProcessLocked(proc, true, false, "system update done");
}
}
// Now that we have cleaned up any update processes, we
// are ready to start launching real processes and know that
// we won't trample on them any more.
mProcessesReady = true;
}
Slog.i(TAG, "System now ready");
EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_AMS_READY,
SystemClock.uptimeMillis());
synchronized(this) {
// Make sure we have no pre-ready processes sitting around.
if (mFactoryTest == FactoryTest.FACTORY_TEST_LOW_LEVEL) {
ResolveInfo ri = mContext.getPackageManager()
.resolveActivity(new Intent(Intent.ACTION_FACTORY_TEST),
STOCK_PM_FLAGS);
CharSequence errorMsg = null;
if (ri != null) {
ActivityInfo ai = ri.activityInfo;
ApplicationInfo app = ai.applicationInfo;
if ((app.flags&ApplicationInfo.FLAG_SYSTEM) != 0) {
mTopAction = Intent.ACTION_FACTORY_TEST;
mTopData = null;
mTopComponent = new ComponentName(app.packageName,
ai.name);
} else {
errorMsg = mContext.getResources().getText(
com.android.internal.R.string.factorytest_not_system);
}
} else {
errorMsg = mContext.getResources().getText(
com.android.internal.R.string.factorytest_no_action);
}
if (errorMsg != null) {
mTopAction = null;
mTopData = null;
mTopComponent = null;
Message msg = Message.obtain();
msg.what = SHOW_FACTORY_ERROR_MSG;
msg.getData().putCharSequence("msg", errorMsg);
mHandler.sendMessage(msg);
}
}
}
retrieveSettings();
loadResourcesOnSystemReady();
synchronized (this) {
readGrantedUriPermissionsLocked();
}
if (goingCallback != null) goingCallback.run();
mBatteryStatsService.noteEvent(BatteryStats.HistoryItem.EVENT_USER_RUNNING_START,
Integer.toString(mCurrentUserId), mCurrentUserId);
mBatteryStatsService.noteEvent(BatteryStats.HistoryItem.EVENT_USER_FOREGROUND_START,
Integer.toString(mCurrentUserId), mCurrentUserId);
mSystemServiceManager.startUser(mCurrentUserId);
synchronized (this) {
if (mFactoryTest != FactoryTest.FACTORY_TEST_LOW_LEVEL) {
try {
List apps = AppGlobals.getPackageManager().
getPersistentApplications(STOCK_PM_FLAGS);
if (apps != null) {
int N = apps.size();
int i;
for (i=0; i 0 && app.pid != MY_PID) {
handleAppCrashLocked(app, null, null, null);
app.kill("user request after error", true);
}
}
}
private boolean handleAppCrashLocked(ProcessRecord app, String shortMsg, String longMsg,
String stackTrace) {
long now = SystemClock.uptimeMillis();
Long crashTime;
if (!app.isolated) {
crashTime = mProcessCrashTimes.get(app.info.processName, app.uid);
} else {
crashTime = null;
}
if (crashTime != null && now < crashTime+ProcessList.MIN_CRASH_INTERVAL) {
// This process loses!
Slog.w(TAG, "Process " + app.info.processName
+ " has crashed too many times: killing!");
EventLog.writeEvent(EventLogTags.AM_PROCESS_CRASHED_TOO_MUCH,
app.userId, app.info.processName, app.uid);
mStackSupervisor.handleAppCrashLocked(app);
if (!app.persistent) {
// We don't want to start this process again until the user
// explicitly does so... but for persistent process, we really
// need to keep it running. If a persistent process is actually
// repeatedly crashing, then badness for everyone.
EventLog.writeEvent(EventLogTags.AM_PROC_BAD, app.userId, app.uid,
app.info.processName);
if (!app.isolated) {
// XXX We don't have a way to mark isolated processes
// as bad, since they don't have a peristent identity.
mBadProcesses.put(app.info.processName, app.uid,
new BadProcessInfo(now, shortMsg, longMsg, stackTrace));
mProcessCrashTimes.remove(app.info.processName, app.uid);
}
app.bad = true;
app.removed = true;
// Don't let services in this process be restarted and potentially
// annoy the user repeatedly. Unless it is persistent, since those
// processes run critical code.
removeProcessLocked(app, false, false, "crash");
mStackSupervisor.resumeTopActivitiesLocked();
return false;
}
mStackSupervisor.resumeTopActivitiesLocked();
} else {
mStackSupervisor.finishTopRunningActivityLocked(app);
}
// Bump up the crash count of any services currently running in the proc.
for (int i=app.services.size()-1; i>=0; i--) {
// Any services running in the application need to be placed
// back in the pending list.
ServiceRecord sr = app.services.valueAt(i);
sr.crashCount++;
}
// If the crashing process is what we consider to be the "home process" and it has been
// replaced by a third-party app, clear the package preferred activities from packages
// with a home activity running in the process to prevent a repeatedly crashing app
// from blocking the user to manually clear the list.
final ArrayList activities = app.activities;
if (app == mHomeProcess && activities.size() > 0
&& (mHomeProcess.info.flags & ApplicationInfo.FLAG_SYSTEM) == 0) {
for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) {
final ActivityRecord r = activities.get(activityNdx);
if (r.isHomeActivity()) {
Log.i(TAG, "Clearing package preferred activities from " + r.packageName);
try {
ActivityThread.getPackageManager()
.clearPackagePreferredActivities(r.packageName);
} catch (RemoteException c) {
// pm is in same process, this will never happen.
}
}
}
}
if (!app.isolated) {
// XXX Can't keep track of crash times for isolated processes,
// because they don't have a perisistent identity.
mProcessCrashTimes.put(app.info.processName, app.uid, now);
}
if (app.crashHandler != null) mHandler.post(app.crashHandler);
return true;
}
void startAppProblemLocked(ProcessRecord app) {
// If this app is not running under the current user, then we
// can't give it a report button because that would require
// launching the report UI under a different user.
app.errorReportReceiver = null;
for (int userId : mCurrentProfileIds) {
if (app.userId == userId) {
app.errorReportReceiver = ApplicationErrorReport.getErrorReportReceiver(
mContext, app.info.packageName, app.info.flags);
}
}
skipCurrentReceiverLocked(app);
}
void skipCurrentReceiverLocked(ProcessRecord app) {
for (BroadcastQueue queue : mBroadcastQueues) {
queue.skipCurrentReceiverLocked(app);
}
}
/**
* Used by {@link com.android.internal.os.RuntimeInit} to report when an application crashes.
* The application process will exit immediately after this call returns.
* @param app object of the crashing app, null for the system server
* @param crashInfo describing the exception
*/
public void handleApplicationCrash(IBinder app, ApplicationErrorReport.CrashInfo crashInfo) {
ProcessRecord r = findAppProcess(app, "Crash");
final String processName = app == null ? "system_server"
: (r == null ? "unknown" : r.processName);
handleApplicationCrashInner("crash", r, processName, crashInfo);
}
/* Native crash reporting uses this inner version because it needs to be somewhat
* decoupled from the AM-managed cleanup lifecycle
*/
void handleApplicationCrashInner(String eventType, ProcessRecord r, String processName,
ApplicationErrorReport.CrashInfo crashInfo) {
EventLog.writeEvent(EventLogTags.AM_CRASH, Binder.getCallingPid(),
UserHandle.getUserId(Binder.getCallingUid()), processName,
r == null ? -1 : r.info.flags,
crashInfo.exceptionClassName,
crashInfo.exceptionMessage,
crashInfo.throwFileName,
crashInfo.throwLineNumber);
addErrorToDropBox(eventType, r, processName, null, null, null, null, null, crashInfo);
crashApplication(r, crashInfo);
}
public void handleApplicationStrictModeViolation(
IBinder app,
int violationMask,
StrictMode.ViolationInfo info) {
ProcessRecord r = findAppProcess(app, "StrictMode");
if (r == null) {
return;
}
if ((violationMask & StrictMode.PENALTY_DROPBOX) != 0) {
Integer stackFingerprint = info.hashCode();
boolean logIt = true;
synchronized (mAlreadyLoggedViolatedStacks) {
if (mAlreadyLoggedViolatedStacks.contains(stackFingerprint)) {
logIt = false;
// TODO: sub-sample into EventLog for these, with
// the info.durationMillis? Then we'd get
// the relative pain numbers, without logging all
// the stack traces repeatedly. We'd want to do
// likewise in the client code, which also does
// dup suppression, before the Binder call.
} else {
if (mAlreadyLoggedViolatedStacks.size() >= MAX_DUP_SUPPRESSED_STACKS) {
mAlreadyLoggedViolatedStacks.clear();
}
mAlreadyLoggedViolatedStacks.add(stackFingerprint);
}
}
if (logIt) {
logStrictModeViolationToDropBox(r, info);
}
}
if ((violationMask & StrictMode.PENALTY_DIALOG) != 0) {
AppErrorResult result = new AppErrorResult();
synchronized (this) {
final long origId = Binder.clearCallingIdentity();
Message msg = Message.obtain();
msg.what = SHOW_STRICT_MODE_VIOLATION_MSG;
HashMap data = new HashMap();
data.put("result", result);
data.put("app", r);
data.put("violationMask", violationMask);
data.put("info", info);
msg.obj = data;
mHandler.sendMessage(msg);
Binder.restoreCallingIdentity(origId);
}
int res = result.get();
Slog.w(TAG, "handleApplicationStrictModeViolation; res=" + res);
}
}
// Depending on the policy in effect, there could be a bunch of
// these in quick succession so we try to batch these together to
// minimize disk writes, number of dropbox entries, and maximize
// compression, by having more fewer, larger records.
private void logStrictModeViolationToDropBox(
ProcessRecord process,
StrictMode.ViolationInfo info) {
if (info == null) {
return;
}
final boolean isSystemApp = process == null ||
(process.info.flags & (ApplicationInfo.FLAG_SYSTEM |
ApplicationInfo.FLAG_UPDATED_SYSTEM_APP)) != 0;
final String processName = process == null ? "unknown" : process.processName;
final String dropboxTag = isSystemApp ? "system_app_strictmode" : "data_app_strictmode";
final DropBoxManager dbox = (DropBoxManager)
mContext.getSystemService(Context.DROPBOX_SERVICE);
// Exit early if the dropbox isn't configured to accept this report type.
if (dbox == null || !dbox.isTagEnabled(dropboxTag)) return;
boolean bufferWasEmpty;
boolean needsFlush;
final StringBuilder sb = isSystemApp ? mStrictModeBuffer : new StringBuilder(1024);
synchronized (sb) {
bufferWasEmpty = sb.length() == 0;
appendDropBoxProcessHeaders(process, processName, sb);
sb.append("Build: ").append(Build.FINGERPRINT).append("\n");
sb.append("System-App: ").append(isSystemApp).append("\n");
sb.append("Uptime-Millis: ").append(info.violationUptimeMillis).append("\n");
if (info.violationNumThisLoop != 0) {
sb.append("Loop-Violation-Number: ").append(info.violationNumThisLoop).append("\n");
}
if (info.numAnimationsRunning != 0) {
sb.append("Animations-Running: ").append(info.numAnimationsRunning).append("\n");
}
if (info.broadcastIntentAction != null) {
sb.append("Broadcast-Intent-Action: ").append(info.broadcastIntentAction).append("\n");
}
if (info.durationMillis != -1) {
sb.append("Duration-Millis: ").append(info.durationMillis).append("\n");
}
if (info.numInstances != -1) {
sb.append("Instance-Count: ").append(info.numInstances).append("\n");
}
if (info.tags != null) {
for (String tag : info.tags) {
sb.append("Span-Tag: ").append(tag).append("\n");
}
}
sb.append("\n");
if (info.crashInfo != null && info.crashInfo.stackTrace != null) {
sb.append(info.crashInfo.stackTrace);
}
sb.append("\n");
// Only buffer up to ~64k. Various logging bits truncate
// things at 128k.
needsFlush = (sb.length() > 64 * 1024);
}
// Flush immediately if the buffer's grown too large, or this
// is a non-system app. Non-system apps are isolated with a
// different tag & policy and not batched.
//
// Batching is useful during internal testing with
// StrictMode settings turned up high. Without batching,
// thousands of separate files could be created on boot.
if (!isSystemApp || needsFlush) {
new Thread("Error dump: " + dropboxTag) {
@Override
public void run() {
String report;
synchronized (sb) {
report = sb.toString();
sb.delete(0, sb.length());
sb.trimToSize();
}
if (report.length() != 0) {
dbox.addText(dropboxTag, report);
}
}
}.start();
return;
}
// System app batching:
if (!bufferWasEmpty) {
// An existing dropbox-writing thread is outstanding, so
// we don't need to start it up. The existing thread will
// catch the buffer appends we just did.
return;
}
// Worker thread to both batch writes and to avoid blocking the caller on I/O.
// (After this point, we shouldn't access AMS internal data structures.)
new Thread("Error dump: " + dropboxTag) {
@Override
public void run() {
// 5 second sleep to let stacks arrive and be batched together
try {
Thread.sleep(5000); // 5 seconds
} catch (InterruptedException e) {}
String errorReport;
synchronized (mStrictModeBuffer) {
errorReport = mStrictModeBuffer.toString();
if (errorReport.length() == 0) {
return;
}
mStrictModeBuffer.delete(0, mStrictModeBuffer.length());
mStrictModeBuffer.trimToSize();
}
dbox.addText(dropboxTag, errorReport);
}
}.start();
}
/**
* Used by {@link Log} via {@link com.android.internal.os.RuntimeInit} to report serious errors.
* @param app object of the crashing app, null for the system server
* @param tag reported by the caller
* @param system whether this wtf is coming from the system
* @param crashInfo describing the context of the error
* @return true if the process should exit immediately (WTF is fatal)
*/
public boolean handleApplicationWtf(final IBinder app, final String tag, boolean system,
final ApplicationErrorReport.CrashInfo crashInfo) {
final int callingUid = Binder.getCallingUid();
final int callingPid = Binder.getCallingPid();
if (system) {
// If this is coming from the system, we could very well have low-level
// system locks held, so we want to do this all asynchronously. And we
// never want this to become fatal, so there is that too.
mHandler.post(new Runnable() {
@Override public void run() {
handleApplicationWtfInner(callingUid, callingPid, app, tag, crashInfo);
}
});
return false;
}
final ProcessRecord r = handleApplicationWtfInner(callingUid, callingPid, app, tag,
crashInfo);
if (r != null && r.pid != Process.myPid() &&
Settings.Global.getInt(mContext.getContentResolver(),
Settings.Global.WTF_IS_FATAL, 0) != 0) {
crashApplication(r, crashInfo);
return true;
} else {
return false;
}
}
ProcessRecord handleApplicationWtfInner(int callingUid, int callingPid, IBinder app, String tag,
final ApplicationErrorReport.CrashInfo crashInfo) {
final ProcessRecord r = findAppProcess(app, "WTF");
final String processName = app == null ? "system_server"
: (r == null ? "unknown" : r.processName);
EventLog.writeEvent(EventLogTags.AM_WTF, UserHandle.getUserId(callingUid), callingPid,
processName, r == null ? -1 : r.info.flags, tag, crashInfo.exceptionMessage);
addErrorToDropBox("wtf", r, processName, null, null, tag, null, null, crashInfo);
return r;
}
/**
* @param app object of some object (as stored in {@link com.android.internal.os.RuntimeInit})
* @return the corresponding {@link ProcessRecord} object, or null if none could be found
*/
private ProcessRecord findAppProcess(IBinder app, String reason) {
if (app == null) {
return null;
}
synchronized (this) {
final int NP = mProcessNames.getMap().size();
for (int ip=0; ip apps = mProcessNames.getMap().valueAt(ip);
final int NA = apps.size();
for (int ia=0; ia 0) {
sb.append("\n");
// Merge several logcat streams, and take the last N lines
InputStreamReader input = null;
try {
java.lang.Process logcat = new ProcessBuilder("/system/bin/logcat",
"-v", "time", "-b", "events", "-b", "system", "-b", "main",
"-b", "crash",
"-t", String.valueOf(lines)).redirectErrorStream(true).start();
try { logcat.getOutputStream().close(); } catch (IOException e) {}
try { logcat.getErrorStream().close(); } catch (IOException e) {}
input = new InputStreamReader(logcat.getInputStream());
int num;
char[] buf = new char[8192];
while ((num = input.read(buf)) > 0) sb.append(buf, 0, num);
} catch (IOException e) {
Slog.e(TAG, "Error running logcat", e);
} finally {
if (input != null) try { input.close(); } catch (IOException e) {}
}
}
dbox.addText(dropboxTag, sb.toString());
}
};
if (process == null) {
// If process is null, we are being called from some internal code
// and may be about to die -- run this synchronously.
worker.run();
} else {
worker.start();
}
}
/**
* Bring up the "unexpected error" dialog box for a crashing app.
* Deal with edge cases (intercepts from instrumented applications,
* ActivityController, error intent receivers, that sort of thing).
* @param r the application crashing
* @param crashInfo describing the failure
*/
private void crashApplication(ProcessRecord r, ApplicationErrorReport.CrashInfo crashInfo) {
long timeMillis = System.currentTimeMillis();
String shortMsg = crashInfo.exceptionClassName;
String longMsg = crashInfo.exceptionMessage;
String stackTrace = crashInfo.stackTrace;
if (shortMsg != null && longMsg != null) {
longMsg = shortMsg + ": " + longMsg;
} else if (shortMsg != null) {
longMsg = shortMsg;
}
AppErrorResult result = new AppErrorResult();
synchronized (this) {
if (mController != null) {
try {
String name = r != null ? r.processName : null;
int pid = r != null ? r.pid : Binder.getCallingPid();
int uid = r != null ? r.info.uid : Binder.getCallingUid();
if (!mController.appCrashed(name, pid,
shortMsg, longMsg, timeMillis, crashInfo.stackTrace)) {
if ("1".equals(SystemProperties.get(SYSTEM_DEBUGGABLE, "0"))
&& "Native crash".equals(crashInfo.exceptionClassName)) {
Slog.w(TAG, "Skip killing native crashed app " + name
+ "(" + pid + ") during testing");
} else {
Slog.w(TAG, "Force-killing crashed app " + name
+ " at watcher's request");
if (r != null) {
r.kill("crash", true);
} else {
// Huh.
Process.killProcess(pid);
Process.killProcessGroup(uid, pid);
}
}
return;
}
} catch (RemoteException e) {
mController = null;
Watchdog.getInstance().setActivityController(null);
}
}
final long origId = Binder.clearCallingIdentity();
// If this process is running instrumentation, finish it.
if (r != null && r.instrumentationClass != null) {
Slog.w(TAG, "Error in app " + r.processName
+ " running instrumentation " + r.instrumentationClass + ":");
if (shortMsg != null) Slog.w(TAG, " " + shortMsg);
if (longMsg != null) Slog.w(TAG, " " + longMsg);
Bundle info = new Bundle();
info.putString("shortMsg", shortMsg);
info.putString("longMsg", longMsg);
finishInstrumentationLocked(r, Activity.RESULT_CANCELED, info);
Binder.restoreCallingIdentity(origId);
return;
}
// Log crash in battery stats.
if (r != null) {
mBatteryStatsService.noteProcessCrash(r.processName, r.uid);
}
// If we can't identify the process or it's already exceeded its crash quota,
// quit right away without showing a crash dialog.
if (r == null || !makeAppCrashingLocked(r, shortMsg, longMsg, stackTrace)) {
Binder.restoreCallingIdentity(origId);
return;
}
Message msg = Message.obtain();
msg.what = SHOW_ERROR_MSG;
HashMap data = new HashMap();
data.put("result", result);
data.put("app", r);
msg.obj = data;
mHandler.sendMessage(msg);
Binder.restoreCallingIdentity(origId);
}
int res = result.get();
Intent appErrorIntent = null;
synchronized (this) {
if (r != null && !r.isolated) {
// XXX Can't keep track of crash time for isolated processes,
// since they don't have a persistent identity.
mProcessCrashTimes.put(r.info.processName, r.uid,
SystemClock.uptimeMillis());
}
if (res == AppErrorDialog.FORCE_QUIT_AND_REPORT) {
appErrorIntent = createAppErrorIntentLocked(r, timeMillis, crashInfo);
}
}
if (appErrorIntent != null) {
try {
mContext.startActivityAsUser(appErrorIntent, new UserHandle(r.userId));
} catch (ActivityNotFoundException e) {
Slog.w(TAG, "bug report receiver dissappeared", e);
}
}
}
Intent createAppErrorIntentLocked(ProcessRecord r,
long timeMillis, ApplicationErrorReport.CrashInfo crashInfo) {
ApplicationErrorReport report = createAppErrorReportLocked(r, timeMillis, crashInfo);
if (report == null) {
return null;
}
Intent result = new Intent(Intent.ACTION_APP_ERROR);
result.setComponent(r.errorReportReceiver);
result.putExtra(Intent.EXTRA_BUG_REPORT, report);
result.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
return result;
}
private ApplicationErrorReport createAppErrorReportLocked(ProcessRecord r,
long timeMillis, ApplicationErrorReport.CrashInfo crashInfo) {
if (r.errorReportReceiver == null) {
return null;
}
if (!r.crashing && !r.notResponding && !r.forceCrashReport) {
return null;
}
ApplicationErrorReport report = new ApplicationErrorReport();
report.packageName = r.info.packageName;
report.installerPackageName = r.errorReportReceiver.getPackageName();
report.processName = r.processName;
report.time = timeMillis;
report.systemApp = (r.info.flags & ApplicationInfo.FLAG_SYSTEM) != 0;
if (r.crashing || r.forceCrashReport) {
report.type = ApplicationErrorReport.TYPE_CRASH;
report.crashInfo = crashInfo;
} else if (r.notResponding) {
report.type = ApplicationErrorReport.TYPE_ANR;
report.anrInfo = new ApplicationErrorReport.AnrInfo();
report.anrInfo.activity = r.notRespondingReport.tag;
report.anrInfo.cause = r.notRespondingReport.shortMsg;
report.anrInfo.info = r.notRespondingReport.longMsg;
}
return report;
}
public List getProcessesInErrorState() {
enforceNotIsolatedCaller("getProcessesInErrorState");
// assume our apps are happy - lazy create the list
List errList = null;
final boolean allUsers = ActivityManager.checkUidPermission(INTERACT_ACROSS_USERS_FULL,
Binder.getCallingUid()) == PackageManager.PERMISSION_GRANTED;
int userId = UserHandle.getUserId(Binder.getCallingUid());
synchronized (this) {
// iterate across all processes
for (int i=mLruProcesses.size()-1; i>=0; i--) {
ProcessRecord app = mLruProcesses.get(i);
if (!allUsers && app.userId != userId) {
continue;
}
if ((app.thread != null) && (app.crashing || app.notResponding)) {
// This one's in trouble, so we'll generate a report for it
// crashes are higher priority (in case there's a crash *and* an anr)
ActivityManager.ProcessErrorStateInfo report = null;
if (app.crashing) {
report = app.crashingReport;
} else if (app.notResponding) {
report = app.notRespondingReport;
}
if (report != null) {
if (errList == null) {
errList = new ArrayList(1);
}
errList.add(report);
} else {
Slog.w(TAG, "Missing app error report, app = " + app.processName +
" crashing = " + app.crashing +
" notResponding = " + app.notResponding);
}
}
}
}
return errList;
}
static int procStateToImportance(int procState, int memAdj,
ActivityManager.RunningAppProcessInfo currApp) {
int imp = ActivityManager.RunningAppProcessInfo.procStateToImportance(procState);
if (imp == ActivityManager.RunningAppProcessInfo.IMPORTANCE_BACKGROUND) {
currApp.lru = memAdj;
} else {
currApp.lru = 0;
}
return imp;
}
private void fillInProcMemInfo(ProcessRecord app,
ActivityManager.RunningAppProcessInfo outInfo) {
outInfo.pid = app.pid;
outInfo.uid = app.info.uid;
if (mHeavyWeightProcess == app) {
outInfo.flags |= ActivityManager.RunningAppProcessInfo.FLAG_CANT_SAVE_STATE;
}
if (app.persistent) {
outInfo.flags |= ActivityManager.RunningAppProcessInfo.FLAG_PERSISTENT;
}
if (app.activities.size() > 0) {
outInfo.flags |= ActivityManager.RunningAppProcessInfo.FLAG_HAS_ACTIVITIES;
}
outInfo.lastTrimLevel = app.trimMemoryLevel;
int adj = app.curAdj;
int procState = app.curProcState;
outInfo.importance = procStateToImportance(procState, adj, outInfo);
outInfo.importanceReasonCode = app.adjTypeCode;
outInfo.processState = app.curProcState;
}
public List getRunningAppProcesses() {
enforceNotIsolatedCaller("getRunningAppProcesses");
// Lazy instantiation of list
List runList = null;
final boolean allUsers = ActivityManager.checkUidPermission(INTERACT_ACROSS_USERS_FULL,
Binder.getCallingUid()) == PackageManager.PERMISSION_GRANTED;
int userId = UserHandle.getUserId(Binder.getCallingUid());
synchronized (this) {
// Iterate across all processes
for (int i=mLruProcesses.size()-1; i>=0; i--) {
ProcessRecord app = mLruProcesses.get(i);
if (!allUsers && app.userId != userId) {
continue;
}
if ((app.thread != null) && (!app.crashing && !app.notResponding)) {
// Generate process state info for running application
ActivityManager.RunningAppProcessInfo currApp =
new ActivityManager.RunningAppProcessInfo(app.processName,
app.pid, app.getPackageList());
fillInProcMemInfo(app, currApp);
if (app.adjSource instanceof ProcessRecord) {
currApp.importanceReasonPid = ((ProcessRecord)app.adjSource).pid;
currApp.importanceReasonImportance =
ActivityManager.RunningAppProcessInfo.procStateToImportance(
app.adjSourceProcState);
} else if (app.adjSource instanceof ActivityRecord) {
ActivityRecord r = (ActivityRecord)app.adjSource;
if (r.app != null) currApp.importanceReasonPid = r.app.pid;
}
if (app.adjTarget instanceof ComponentName) {
currApp.importanceReasonComponent = (ComponentName)app.adjTarget;
}
//Slog.v(TAG, "Proc " + app.processName + ": imp=" + currApp.importance
// + " lru=" + currApp.lru);
if (runList == null) {
runList = new ArrayList();
}
runList.add(currApp);
}
}
}
return runList;
}
public List getRunningExternalApplications() {
enforceNotIsolatedCaller("getRunningExternalApplications");
List runningApps = getRunningAppProcesses();
List retList = new ArrayList();
if (runningApps != null && runningApps.size() > 0) {
Set extList = new HashSet();
for (ActivityManager.RunningAppProcessInfo app : runningApps) {
if (app.pkgList != null) {
for (String pkg : app.pkgList) {
extList.add(pkg);
}
}
}
IPackageManager pm = AppGlobals.getPackageManager();
for (String pkg : extList) {
try {
ApplicationInfo info = pm.getApplicationInfo(pkg, 0, UserHandle.getCallingUserId());
if ((info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0) {
retList.add(info);
}
} catch (RemoteException e) {
}
}
}
return retList;
}
@Override
public void getMyMemoryState(ActivityManager.RunningAppProcessInfo outInfo) {
enforceNotIsolatedCaller("getMyMemoryState");
synchronized (this) {
ProcessRecord proc;
synchronized (mPidsSelfLocked) {
proc = mPidsSelfLocked.get(Binder.getCallingPid());
}
fillInProcMemInfo(proc, outInfo);
}
}
@Override
protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
if (checkCallingPermission(android.Manifest.permission.DUMP)
!= PackageManager.PERMISSION_GRANTED) {
pw.println("Permission Denial: can't dump ActivityManager from from pid="
+ Binder.getCallingPid()
+ ", uid=" + Binder.getCallingUid()
+ " without permission "
+ android.Manifest.permission.DUMP);
return;
}
boolean dumpAll = false;
boolean dumpClient = false;
String dumpPackage = null;
int opti = 0;
while (opti < args.length) {
String opt = args[opti];
if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') {
break;
}
opti++;
if ("-a".equals(opt)) {
dumpAll = true;
} else if ("-c".equals(opt)) {
dumpClient = true;
} else if ("-p".equals(opt)) {
if (opti < args.length) {
dumpPackage = args[opti];
opti++;
} else {
pw.println("Error: -p option requires package argument");
return;
}
dumpClient = true;
} else if ("-h".equals(opt)) {
pw.println("Activity manager dump options:");
pw.println(" [-a] [-c] [-p package] [-h] [cmd] ...");
pw.println(" cmd may be one of:");
pw.println(" a[ctivities]: activity stack state");
pw.println(" r[recents]: recent activities state");
pw.println(" b[roadcasts] [PACKAGE_NAME] [history [-s]]: broadcast state");
pw.println(" i[ntents] [PACKAGE_NAME]: pending intent state");
pw.println(" p[rocesses] [PACKAGE_NAME]: process state");
pw.println(" o[om]: out of memory management");
pw.println(" prov[iders] [COMP_SPEC ...]: content provider state");
pw.println(" provider [COMP_SPEC]: provider client-side state");
pw.println(" s[ervices] [COMP_SPEC ...]: service state");
pw.println(" as[sociations]: tracked app associations");
pw.println(" service [COMP_SPEC]: service client-side state");
pw.println(" package [PACKAGE_NAME]: all state related to given package");
pw.println(" all: dump all activities");
pw.println(" top: dump the top activity");
pw.println(" write: write all pending state to storage");
pw.println(" track-associations: enable association tracking");
pw.println(" untrack-associations: disable and clear association tracking");
pw.println(" cmd may also be a COMP_SPEC to dump activities.");
pw.println(" COMP_SPEC may be a component name (com.foo/.myApp),");
pw.println(" a partial substring in a component name, a");
pw.println(" hex object identifier.");
pw.println(" -a: include all available server state.");
pw.println(" -c: include client state.");
pw.println(" -p: limit output to given package.");
return;
} else {
pw.println("Unknown argument: " + opt + "; use -h for help");
}
}
long origId = Binder.clearCallingIdentity();
boolean more = false;
// Is the caller requesting to dump a particular piece of data?
if (opti < args.length) {
String cmd = args[opti];
opti++;
if ("activities".equals(cmd) || "a".equals(cmd)) {
synchronized (this) {
dumpActivitiesLocked(fd, pw, args, opti, true, dumpClient, dumpPackage);
}
} else if ("recents".equals(cmd) || "r".equals(cmd)) {
synchronized (this) {
dumpRecentsLocked(fd, pw, args, opti, true, dumpPackage);
}
} else if ("broadcasts".equals(cmd) || "b".equals(cmd)) {
String[] newArgs;
String name;
if (opti >= args.length) {
name = null;
newArgs = EMPTY_STRING_ARRAY;
} else {
dumpPackage = args[opti];
opti++;
newArgs = new String[args.length - opti];
if (args.length > 2) System.arraycopy(args, opti, newArgs, 0,
args.length - opti);
}
synchronized (this) {
dumpBroadcastsLocked(fd, pw, args, opti, true, dumpPackage);
}
} else if ("intents".equals(cmd) || "i".equals(cmd)) {
String[] newArgs;
String name;
if (opti >= args.length) {
name = null;
newArgs = EMPTY_STRING_ARRAY;
} else {
dumpPackage = args[opti];
opti++;
newArgs = new String[args.length - opti];
if (args.length > 2) System.arraycopy(args, opti, newArgs, 0,
args.length - opti);
}
synchronized (this) {
dumpPendingIntentsLocked(fd, pw, args, opti, true, dumpPackage);
}
} else if ("processes".equals(cmd) || "p".equals(cmd)) {
String[] newArgs;
String name;
if (opti >= args.length) {
name = null;
newArgs = EMPTY_STRING_ARRAY;
} else {
dumpPackage = args[opti];
opti++;
newArgs = new String[args.length - opti];
if (args.length > 2) System.arraycopy(args, opti, newArgs, 0,
args.length - opti);
}
synchronized (this) {
dumpProcessesLocked(fd, pw, args, opti, true, dumpPackage);
}
} else if ("oom".equals(cmd) || "o".equals(cmd)) {
synchronized (this) {
dumpOomLocked(fd, pw, args, opti, true);
}
} else if ("provider".equals(cmd)) {
String[] newArgs;
String name;
if (opti >= args.length) {
name = null;
newArgs = EMPTY_STRING_ARRAY;
} else {
name = args[opti];
opti++;
newArgs = new String[args.length - opti];
if (args.length > 2) System.arraycopy(args, opti, newArgs, 0, args.length - opti);
}
if (!dumpProvider(fd, pw, name, newArgs, 0, dumpAll)) {
pw.println("No providers match: " + name);
pw.println("Use -h for help.");
}
} else if ("providers".equals(cmd) || "prov".equals(cmd)) {
synchronized (this) {
dumpProvidersLocked(fd, pw, args, opti, true, null);
}
} else if ("service".equals(cmd)) {
String[] newArgs;
String name;
if (opti >= args.length) {
name = null;
newArgs = EMPTY_STRING_ARRAY;
} else {
name = args[opti];
opti++;
newArgs = new String[args.length - opti];
if (args.length > 2) System.arraycopy(args, opti, newArgs, 0,
args.length - opti);
}
if (!mServices.dumpService(fd, pw, name, newArgs, 0, dumpAll)) {
pw.println("No services match: " + name);
pw.println("Use -h for help.");
}
} else if ("package".equals(cmd)) {
String[] newArgs;
if (opti >= args.length) {
pw.println("package: no package name specified");
pw.println("Use -h for help.");
} else {
dumpPackage = args[opti];
opti++;
newArgs = new String[args.length - opti];
if (args.length > 2) System.arraycopy(args, opti, newArgs, 0,
args.length - opti);
args = newArgs;
opti = 0;
more = true;
}
} else if ("associations".equals(cmd) || "as".equals(cmd)) {
synchronized (this) {
dumpAssociationsLocked(fd, pw, args, opti, true, dumpClient, dumpPackage);
}
} else if ("services".equals(cmd) || "s".equals(cmd)) {
synchronized (this) {
mServices.dumpServicesLocked(fd, pw, args, opti, true, dumpClient, dumpPackage);
}
} else if ("write".equals(cmd)) {
mTaskPersister.flush();
pw.println("All tasks persisted.");
return;
} else if ("track-associations".equals(cmd)) {
synchronized (this) {
if (!mTrackingAssociations) {
mTrackingAssociations = true;
pw.println("Association tracking started.");
} else {
pw.println("Association tracking already enabled.");
}
}
return;
} else if ("untrack-associations".equals(cmd)) {
synchronized (this) {
if (mTrackingAssociations) {
mTrackingAssociations = false;
mAssociations.clear();
pw.println("Association tracking stopped.");
} else {
pw.println("Association tracking not running.");
}
}
return;
} else {
// Dumping a single activity?
if (!dumpActivity(fd, pw, cmd, args, opti, dumpAll)) {
pw.println("Bad activity command, or no activities match: " + cmd);
pw.println("Use -h for help.");
}
}
if (!more) {
Binder.restoreCallingIdentity(origId);
return;
}
}
// No piece of data specified, dump everything.
synchronized (this) {
dumpPendingIntentsLocked(fd, pw, args, opti, dumpAll, dumpPackage);
pw.println();
if (dumpAll) {
pw.println("-------------------------------------------------------------------------------");
}
dumpBroadcastsLocked(fd, pw, args, opti, dumpAll, dumpPackage);
pw.println();
if (dumpAll) {
pw.println("-------------------------------------------------------------------------------");
}
dumpProvidersLocked(fd, pw, args, opti, dumpAll, dumpPackage);
pw.println();
if (dumpAll) {
pw.println("-------------------------------------------------------------------------------");
}
mServices.dumpServicesLocked(fd, pw, args, opti, dumpAll, dumpClient, dumpPackage);
pw.println();
if (dumpAll) {
pw.println("-------------------------------------------------------------------------------");
}
dumpRecentsLocked(fd, pw, args, opti, dumpAll, dumpPackage);
pw.println();
if (dumpAll) {
pw.println("-------------------------------------------------------------------------------");
}
dumpActivitiesLocked(fd, pw, args, opti, dumpAll, dumpClient, dumpPackage);
if (mAssociations.size() > 0) {
pw.println();
if (dumpAll) {
pw.println("-------------------------------------------------------------------------------");
}
dumpAssociationsLocked(fd, pw, args, opti, dumpAll, dumpClient, dumpPackage);
}
pw.println();
if (dumpAll) {
pw.println("-------------------------------------------------------------------------------");
}
dumpProcessesLocked(fd, pw, args, opti, dumpAll, dumpPackage);
}
Binder.restoreCallingIdentity(origId);
}
void dumpActivitiesLocked(FileDescriptor fd, PrintWriter pw, String[] args,
int opti, boolean dumpAll, boolean dumpClient, String dumpPackage) {
pw.println("ACTIVITY MANAGER ACTIVITIES (dumpsys activity activities)");
boolean printedAnything = mStackSupervisor.dumpActivitiesLocked(fd, pw, dumpAll, dumpClient,
dumpPackage);
boolean needSep = printedAnything;
boolean printed = ActivityStackSupervisor.printThisActivity(pw, mFocusedActivity,
dumpPackage, needSep, " mFocusedActivity: ");
if (printed) {
printedAnything = true;
needSep = false;
}
if (dumpPackage == null) {
if (needSep) {
pw.println();
}
needSep = true;
printedAnything = true;
mStackSupervisor.dump(pw, " ");
}
if (!printedAnything) {
pw.println(" (nothing)");
}
}
void dumpRecentsLocked(FileDescriptor fd, PrintWriter pw, String[] args,
int opti, boolean dumpAll, String dumpPackage) {
pw.println("ACTIVITY MANAGER RECENT TASKS (dumpsys activity recents)");
boolean printedAnything = false;
if (mRecentTasks != null && mRecentTasks.size() > 0) {
boolean printedHeader = false;
final int N = mRecentTasks.size();
for (int i=0; i>> targetComponents
= mAssociations.valueAt(i1);
for (int i2=0, N2=targetComponents.size(); i2> sourceUids
= targetComponents.valueAt(i2);
for (int i3=0, N3=sourceUids.size(); i3 sourceProcesses = sourceUids.valueAt(i3);
for (int i4=0, N4=sourceProcesses.size(); i4 0) {
dur += now - ass.mStartTime;
}
TimeUtils.formatDuration(dur, pw);
pw.print(" (");
pw.print(ass.mCount);
pw.println(" times)");
if (ass.mNesting > 0) {
pw.print(" ");
pw.print(" Currently active: ");
TimeUtils.formatDuration(now - ass.mStartTime, pw);
pw.println();
}
}
}
}
}
if (!printedAnything) {
pw.println(" (nothing)");
}
}
void dumpProcessesLocked(FileDescriptor fd, PrintWriter pw, String[] args,
int opti, boolean dumpAll, String dumpPackage) {
boolean needSep = false;
boolean printedAnything = false;
int numPers = 0;
pw.println("ACTIVITY MANAGER RUNNING PROCESSES (dumpsys activity processes)");
if (dumpAll) {
final int NP = mProcessNames.getMap().size();
for (int ip=0; ip procs = mProcessNames.getMap().valueAt(ip);
final int NA = procs.size();
for (int ia=0; ia 0) {
boolean printed = false;
for (int i=0; i 0) {
if (needSep) {
pw.println();
}
pw.print(" Process LRU list (sorted by oom_adj, "); pw.print(mLruProcesses.size());
pw.print(" total, non-act at ");
pw.print(mLruProcesses.size()-mLruProcessActivityStart);
pw.print(", non-svc at ");
pw.print(mLruProcesses.size()-mLruProcessServiceStart);
pw.println("):");
dumpProcessOomList(pw, this, mLruProcesses, " ", "Proc", "PERS", false, dumpPackage);
needSep = true;
printedAnything = true;
}
if (dumpAll || dumpPackage != null) {
synchronized (mPidsSelfLocked) {
boolean printed = false;
for (int i=0; i 0) {
synchronized (mPidsSelfLocked) {
boolean printed = false;
for (int i=0; i 0) {
if (needSep) pw.println();
needSep = true;
printedAnything = true;
pw.println(" Persisent processes that are starting:");
dumpProcessList(pw, this, mPersistentStartingProcesses, " ",
"Starting Norm", "Restarting PERS", dumpPackage);
}
if (mRemovedProcesses.size() > 0) {
if (needSep) pw.println();
needSep = true;
printedAnything = true;
pw.println(" Processes that are being removed:");
dumpProcessList(pw, this, mRemovedProcesses, " ",
"Removed Norm", "Removed PERS", dumpPackage);
}
if (mProcessesOnHold.size() > 0) {
if (needSep) pw.println();
needSep = true;
printedAnything = true;
pw.println(" Processes that are on old until the system is ready:");
dumpProcessList(pw, this, mProcessesOnHold, " ",
"OnHold Norm", "OnHold PERS", dumpPackage);
}
needSep = dumpProcessesToGc(fd, pw, args, opti, needSep, dumpAll, dumpPackage);
if (mProcessCrashTimes.getMap().size() > 0) {
boolean printed = false;
long now = SystemClock.uptimeMillis();
final ArrayMap> pmap = mProcessCrashTimes.getMap();
final int NP = pmap.size();
for (int ip=0; ip uids = pmap.valueAt(ip);
final int N = uids.size();
for (int i=0; i 0) {
boolean printed = false;
final ArrayMap> pmap = mBadProcesses.getMap();
final int NP = pmap.size();
for (int ip=0; ip uids = pmap.valueAt(ip);
final int N = uids.size();
for (int i=0; i 0) pw.print(", ");
pw.print(mStartedUserArray[i]);
}
pw.println("]");
pw.print(" mUserLru: [");
for (int i=0; i 0) pw.print(", ");
pw.print(mUserLru.get(i));
}
pw.println("]");
if (dumpAll) {
pw.print(" mStartedUserArray: "); pw.println(Arrays.toString(mStartedUserArray));
}
synchronized (mUserProfileGroupIdsSelfLocked) {
if (mUserProfileGroupIdsSelfLocked.size() > 0) {
pw.println(" mUserProfileGroupIds:");
for (int i=0; i profile #");
pw.println(mUserProfileGroupIdsSelfLocked.valueAt(i));
}
}
}
}
if (mHomeProcess != null && (dumpPackage == null
|| mHomeProcess.pkgList.containsKey(dumpPackage))) {
if (needSep) {
pw.println();
needSep = false;
}
pw.println(" mHomeProcess: " + mHomeProcess);
}
if (mPreviousProcess != null && (dumpPackage == null
|| mPreviousProcess.pkgList.containsKey(dumpPackage))) {
if (needSep) {
pw.println();
needSep = false;
}
pw.println(" mPreviousProcess: " + mPreviousProcess);
}
if (dumpAll) {
StringBuilder sb = new StringBuilder(128);
sb.append(" mPreviousProcessVisibleTime: ");
TimeUtils.formatDuration(mPreviousProcessVisibleTime, sb);
pw.println(sb);
}
if (mHeavyWeightProcess != null && (dumpPackage == null
|| mHeavyWeightProcess.pkgList.containsKey(dumpPackage))) {
if (needSep) {
pw.println();
needSep = false;
}
pw.println(" mHeavyWeightProcess: " + mHeavyWeightProcess);
}
if (dumpPackage == null) {
pw.println(" mConfiguration: " + mConfiguration);
}
if (dumpAll) {
pw.println(" mConfigWillChange: " + getFocusedStack().mConfigWillChange);
if (mCompatModePackages.getPackages().size() > 0) {
boolean printed = false;
for (Map.Entry entry
: mCompatModePackages.getPackages().entrySet()) {
String pkg = entry.getKey();
int mode = entry.getValue();
if (dumpPackage != null && !dumpPackage.equals(pkg)) {
continue;
}
if (!printed) {
pw.println(" mScreenCompatPackages:");
printed = true;
}
pw.print(" "); pw.print(pkg); pw.print(": ");
pw.print(mode); pw.println();
}
}
}
if (dumpPackage == null) {
pw.println(" mWakefulness="
+ PowerManagerInternal.wakefulnessToString(mWakefulness));
pw.println(" mSleeping=" + mSleeping + " mLockScreenShown="
+ lockScreenShownToString());
pw.println(" mShuttingDown=" + mShuttingDown + " mRunningVoice=" + mRunningVoice
+ " mTestPssMode=" + mTestPssMode);
}
if (mDebugApp != null || mOrigDebugApp != null || mDebugTransient
|| mOrigWaitForDebugger) {
if (dumpPackage == null || dumpPackage.equals(mDebugApp)
|| dumpPackage.equals(mOrigDebugApp)) {
if (needSep) {
pw.println();
needSep = false;
}
pw.println(" mDebugApp=" + mDebugApp + "/orig=" + mOrigDebugApp
+ " mDebugTransient=" + mDebugTransient
+ " mOrigWaitForDebugger=" + mOrigWaitForDebugger);
}
}
if (mOpenGlTraceApp != null) {
if (dumpPackage == null || dumpPackage.equals(mOpenGlTraceApp)) {
if (needSep) {
pw.println();
needSep = false;
}
pw.println(" mOpenGlTraceApp=" + mOpenGlTraceApp);
}
}
if (mProfileApp != null || mProfileProc != null || mProfileFile != null
|| mProfileFd != null) {
if (dumpPackage == null || dumpPackage.equals(mProfileApp)) {
if (needSep) {
pw.println();
needSep = false;
}
pw.println(" mProfileApp=" + mProfileApp + " mProfileProc=" + mProfileProc);
pw.println(" mProfileFile=" + mProfileFile + " mProfileFd=" + mProfileFd);
pw.println(" mSamplingInterval=" + mSamplingInterval + " mAutoStopProfiler="
+ mAutoStopProfiler);
pw.println(" mProfileType=" + mProfileType);
}
}
if (dumpPackage == null) {
if (mAlwaysFinishActivities || mController != null) {
pw.println(" mAlwaysFinishActivities=" + mAlwaysFinishActivities
+ " mController=" + mController);
}
if (dumpAll) {
pw.println(" Total persistent processes: " + numPers);
pw.println(" mProcessesReady=" + mProcessesReady
+ " mSystemReady=" + mSystemReady
+ " mBooted=" + mBooted
+ " mFactoryTest=" + mFactoryTest);
pw.println(" mBooting=" + mBooting
+ " mCallFinishBooting=" + mCallFinishBooting
+ " mBootAnimationComplete=" + mBootAnimationComplete);
pw.print(" mLastPowerCheckRealtime=");
TimeUtils.formatDuration(mLastPowerCheckRealtime, pw);
pw.println("");
pw.print(" mLastPowerCheckUptime=");
TimeUtils.formatDuration(mLastPowerCheckUptime, pw);
pw.println("");
pw.println(" mGoingToSleep=" + mStackSupervisor.mGoingToSleep);
pw.println(" mLaunchingActivity=" + mStackSupervisor.mLaunchingActivity);
pw.println(" mAdjSeq=" + mAdjSeq + " mLruSeq=" + mLruSeq);
pw.println(" mNumNonCachedProcs=" + mNumNonCachedProcs
+ " (" + mLruProcesses.size() + " total)"
+ " mNumCachedHiddenProcs=" + mNumCachedHiddenProcs
+ " mNumServiceProcs=" + mNumServiceProcs
+ " mNewNumServiceProcs=" + mNewNumServiceProcs);
pw.println(" mAllowLowerMemLevel=" + mAllowLowerMemLevel
+ " mLastMemoryLevel" + mLastMemoryLevel
+ " mLastNumProcesses" + mLastNumProcesses);
long now = SystemClock.uptimeMillis();
pw.print(" mLastIdleTime=");
TimeUtils.formatDuration(now, mLastIdleTime, pw);
pw.print(" mLowRamSinceLastIdle=");
TimeUtils.formatDuration(getLowRamTimeSinceIdle(now), pw);
pw.println();
}
}
if (!printedAnything) {
pw.println(" (nothing)");
}
}
boolean dumpProcessesToGc(FileDescriptor fd, PrintWriter pw, String[] args,
int opti, boolean needSep, boolean dumpAll, String dumpPackage) {
if (mProcessesToGc.size() > 0) {
boolean printed = false;
long now = SystemClock.uptimeMillis();
for (int i=0; i= 0) {
pw.print(' ');
if (adj < 10) pw.print(' ');
} else {
if (adj > -10) pw.print(' ');
}
pw.print(adj);
pw.print(": ");
pw.print(name);
pw.print(" (");
pw.print(mProcessList.getMemLevel(adj)/1024);
pw.println(" kB)");
}
boolean dumpOomLocked(FileDescriptor fd, PrintWriter pw, String[] args,
int opti, boolean dumpAll) {
boolean needSep = false;
if (mLruProcesses.size() > 0) {
if (needSep) pw.println();
needSep = true;
pw.println(" OOM levels:");
printOomLevel(pw, "SYSTEM_ADJ", ProcessList.SYSTEM_ADJ);
printOomLevel(pw, "PERSISTENT_PROC_ADJ", ProcessList.PERSISTENT_PROC_ADJ);
printOomLevel(pw, "PERSISTENT_SERVICE_ADJ", ProcessList.PERSISTENT_SERVICE_ADJ);
printOomLevel(pw, "FOREGROUND_APP_ADJ", ProcessList.FOREGROUND_APP_ADJ);
printOomLevel(pw, "VISIBLE_APP_ADJ", ProcessList.VISIBLE_APP_ADJ);
printOomLevel(pw, "PERCEPTIBLE_APP_ADJ", ProcessList.PERCEPTIBLE_APP_ADJ);
printOomLevel(pw, "BACKUP_APP_ADJ", ProcessList.BACKUP_APP_ADJ);
printOomLevel(pw, "HEAVY_WEIGHT_APP_ADJ", ProcessList.HEAVY_WEIGHT_APP_ADJ);
printOomLevel(pw, "SERVICE_ADJ", ProcessList.SERVICE_ADJ);
printOomLevel(pw, "HOME_APP_ADJ", ProcessList.HOME_APP_ADJ);
printOomLevel(pw, "PREVIOUS_APP_ADJ", ProcessList.PREVIOUS_APP_ADJ);
printOomLevel(pw, "SERVICE_B_ADJ", ProcessList.SERVICE_B_ADJ);
printOomLevel(pw, "CACHED_APP_MIN_ADJ", ProcessList.CACHED_APP_MIN_ADJ);
printOomLevel(pw, "CACHED_APP_MAX_ADJ", ProcessList.CACHED_APP_MAX_ADJ);
if (needSep) pw.println();
pw.print(" Process OOM control ("); pw.print(mLruProcesses.size());
pw.print(" total, non-act at ");
pw.print(mLruProcesses.size()-mLruProcessActivityStart);
pw.print(", non-svc at ");
pw.print(mLruProcesses.size()-mLruProcessServiceStart);
pw.println("):");
dumpProcessOomList(pw, this, mLruProcesses, " ", "Proc", "PERS", true, null);
needSep = true;
}
dumpProcessesToGc(fd, pw, args, opti, needSep, dumpAll, null);
pw.println();
pw.println(" mHomeProcess: " + mHomeProcess);
pw.println(" mPreviousProcess: " + mPreviousProcess);
if (mHeavyWeightProcess != null) {
pw.println(" mHeavyWeightProcess: " + mHeavyWeightProcess);
}
return true;
}
/**
* There are three ways to call this:
* - no provider specified: dump all the providers
* - a flattened component name that matched an existing provider was specified as the
* first arg: dump that one provider
* - the first arg isn't the flattened component name of an existing provider:
* dump all providers whose component contains the first arg as a substring
*/
protected boolean dumpProvider(FileDescriptor fd, PrintWriter pw, String name, String[] args,
int opti, boolean dumpAll) {
return mProviderMap.dumpProvider(fd, pw, name, args, opti, dumpAll);
}
static class ItemMatcher {
ArrayList components;
ArrayList strings;
ArrayList objects;
boolean all;
ItemMatcher() {
all = true;
}
void build(String name) {
ComponentName componentName = ComponentName.unflattenFromString(name);
if (componentName != null) {
if (components == null) {
components = new ArrayList();
}
components.add(componentName);
all = false;
} else {
int objectId = 0;
// Not a '/' separated full component name; maybe an object ID?
try {
objectId = Integer.parseInt(name, 16);
if (objects == null) {
objects = new ArrayList();
}
objects.add(objectId);
all = false;
} catch (RuntimeException e) {
// Not an integer; just do string match.
if (strings == null) {
strings = new ArrayList();
}
strings.add(name);
all = false;
}
}
}
int build(String[] args, int opti) {
for (; opti activities;
synchronized (this) {
activities = mStackSupervisor.getDumpActivitiesLocked(name);
}
if (activities.size() <= 0) {
return false;
}
String[] newArgs = new String[args.length - opti];
System.arraycopy(args, opti, newArgs, 0, args.length - opti);
TaskRecord lastTask = null;
boolean needSep = false;
for (int i=activities.size()-1; i>=0; i--) {
ActivityRecord r = activities.get(i);
if (needSep) {
pw.println();
}
needSep = true;
synchronized (this) {
if (lastTask != r.task) {
lastTask = r.task;
pw.print("TASK "); pw.print(lastTask.affinity);
pw.print(" id="); pw.println(lastTask.taskId);
if (dumpAll) {
lastTask.dump(pw, " ");
}
}
}
dumpActivity(" ", fd, pw, activities.get(i), newArgs, dumpAll);
}
return true;
}
/**
* Invokes IApplicationThread.dumpActivity() on the thread of the specified activity if
* there is a thread associated with the activity.
*/
private void dumpActivity(String prefix, FileDescriptor fd, PrintWriter pw,
final ActivityRecord r, String[] args, boolean dumpAll) {
String innerPrefix = prefix + " ";
synchronized (this) {
pw.print(prefix); pw.print("ACTIVITY "); pw.print(r.shortComponentName);
pw.print(" "); pw.print(Integer.toHexString(System.identityHashCode(r)));
pw.print(" pid=");
if (r.app != null) pw.println(r.app.pid);
else pw.println("(not running)");
if (dumpAll) {
r.dump(pw, innerPrefix);
}
}
if (r.app != null && r.app.thread != null) {
// flush anything that is already in the PrintWriter since the thread is going
// to write to the file descriptor directly
pw.flush();
try {
TransferPipe tp = new TransferPipe();
try {
r.app.thread.dumpActivity(tp.getWriteFd().getFileDescriptor(),
r.appToken, innerPrefix, args);
tp.go(fd);
} finally {
tp.kill();
}
} catch (IOException e) {
pw.println(innerPrefix + "Failure while dumping the activity: " + e);
} catch (RemoteException e) {
pw.println(innerPrefix + "Got a RemoteException while dumping the activity");
}
}
}
void dumpBroadcastsLocked(FileDescriptor fd, PrintWriter pw, String[] args,
int opti, boolean dumpAll, String dumpPackage) {
boolean needSep = false;
boolean onlyHistory = false;
boolean printedAnything = false;
if ("history".equals(dumpPackage)) {
if (opti < args.length && "-s".equals(args[opti])) {
dumpAll = false;
}
onlyHistory = true;
dumpPackage = null;
}
pw.println("ACTIVITY MANAGER BROADCAST STATE (dumpsys activity broadcasts)");
if (!onlyHistory && dumpAll) {
if (mRegisteredReceivers.size() > 0) {
boolean printed = false;
Iterator it = mRegisteredReceivers.values().iterator();
while (it.hasNext()) {
ReceiverList r = (ReceiverList)it.next();
if (dumpPackage != null && (r.app == null ||
!dumpPackage.equals(r.app.info.packageName))) {
continue;
}
if (!printed) {
pw.println(" Registered Receivers:");
needSep = true;
printed = true;
printedAnything = true;
}
pw.print(" * "); pw.println(r);
r.dump(pw, " ");
}
}
if (mReceiverResolver.dump(pw, needSep ?
"\n Receiver Resolver Table:" : " Receiver Resolver Table:",
" ", dumpPackage, false, false)) {
needSep = true;
printedAnything = true;
}
}
for (BroadcastQueue q : mBroadcastQueues) {
needSep = q.dumpLocked(fd, pw, args, opti, dumpAll, dumpPackage, needSep);
printedAnything |= needSep;
}
needSep = true;
if (!onlyHistory && mStickyBroadcasts != null && dumpPackage == null) {
for (int user=0; user> ent
: mStickyBroadcasts.valueAt(user).entrySet()) {
pw.print(" * Sticky action "); pw.print(ent.getKey());
if (dumpAll) {
pw.println(":");
ArrayList intents = ent.getValue();
final int N = intents.size();
for (int i=0; i 0) {
boolean printed = false;
for (int i=mLaunchingProviders.size()-1; i>=0; i--) {
ContentProviderRecord r = mLaunchingProviders.get(i);
if (dumpPackage != null && !dumpPackage.equals(r.name.getPackageName())) {
continue;
}
if (!printed) {
if (needSep) pw.println();
needSep = true;
pw.println(" Launching content providers:");
printed = true;
printedAnything = true;
}
pw.print(" Launching #"); pw.print(i); pw.print(": ");
pw.println(r);
}
}
if (mGrantedUriPermissions.size() > 0) {
boolean printed = false;
int dumpUid = -2;
if (dumpPackage != null) {
try {
dumpUid = mContext.getPackageManager().getPackageUid(dumpPackage, 0);
} catch (NameNotFoundException e) {
dumpUid = -1;
}
}
for (int i=0; i= -1 && UserHandle.getAppId(uid) != dumpUid) {
continue;
}
final ArrayMap perms = mGrantedUriPermissions.valueAt(i);
if (!printed) {
if (needSep) pw.println();
needSep = true;
pw.println(" Granted Uri Permissions:");
printed = true;
printedAnything = true;
}
pw.print(" * UID "); pw.print(uid); pw.println(" holds:");
for (UriPermission perm : perms.values()) {
pw.print(" "); pw.println(perm);
if (dumpAll) {
perm.dump(pw, " ");
}
}
}
}
if (!printedAnything) {
pw.println(" (nothing)");
}
}
void dumpPendingIntentsLocked(FileDescriptor fd, PrintWriter pw, String[] args,
int opti, boolean dumpAll, String dumpPackage) {
boolean printed = false;
pw.println("ACTIVITY MANAGER PENDING INTENTS (dumpsys activity intents)");
if (mIntentSenderRecords.size() > 0) {
Iterator> it
= mIntentSenderRecords.values().iterator();
while (it.hasNext()) {
WeakReference ref = it.next();
PendingIntentRecord rec = ref != null ? ref.get(): null;
if (dumpPackage != null && (rec == null
|| !dumpPackage.equals(rec.key.packageName))) {
continue;
}
printed = true;
if (rec != null) {
pw.print(" * "); pw.println(rec);
if (dumpAll) {
rec.dump(pw, " ");
}
} else {
pw.print(" * "); pw.println(ref);
}
}
}
if (!printed) {
pw.println(" (nothing)");
}
}
private static final int dumpProcessList(PrintWriter pw,
ActivityManagerService service, List list,
String prefix, String normalLabel, String persistentLabel,
String dumpPackage) {
int numPers = 0;
final int N = list.size()-1;
for (int i=N; i>=0; i--) {
ProcessRecord r = (ProcessRecord)list.get(i);
if (dumpPackage != null && !dumpPackage.equals(r.info.packageName)) {
continue;
}
pw.println(String.format("%s%s #%2d: %s",
prefix, (r.persistent ? persistentLabel : normalLabel),
i, r.toString()));
if (r.persistent) {
numPers++;
}
}
return numPers;
}
private static final boolean dumpProcessOomList(PrintWriter pw,
ActivityManagerService service, List origList,
String prefix, String normalLabel, String persistentLabel,
boolean inclDetails, String dumpPackage) {
ArrayList> list
= new ArrayList