多线程的例子，火车票同步

#include
#include


DWORD WINAPI Fun1Proc(
  LPVOID lpParameter   // thread data
);


DWORD WINAPI Fun2Proc(
  LPVOID lpParameter   // thread data
);
int index=0;
int tickets=100;
HANDLE hMutex;
void main()
{
HANDLE hThread1;
HANDLE hThread2;
hThread1=CreateThread(NULL,0,Fun1Proc,NULL,0,NULL);
hThread2=CreateThread(NULL,0,Fun2Proc,NULL,0,NULL);
CloseHandle(hThread1);
CloseHandle(hThread2);


// hMutex=CreateMutex(NULL,TRUE,NULL);
// hMutex=CreateMutex(NULL,TRUE,"tickets");
if(hMutex)
// if(0)
{
if(ERROR_ALREADY_EXISTS==GetLastError())
{
cout<<"only one instance can run!"< return;
}
}
WaitForSingleObject(hMutex,INFINITE);//用来检测 hMutex的状态,Infinite被定义为了一个timeout宏
ReleaseMutex(hMutex);
ReleaseMutex(hMutex);


Sleep(4000);
}


DWORD WINAPI Fun1Proc(
  LPVOID lpParameter   // thread data
)
{
while(TRUE)
{
WaitForSingleObject(hMutex,INFINITE);
if(tickets>0)
{
Sleep(1);
cout<<"thread1 sell ticket : "< }
else
break;
ReleaseMutex(hMutex);
}


WaitForSingleObject(hMutex,INFINITE);
cout<<"thread1 is running"<

return 0;
}


DWORD WINAPI Fun2Proc(
  LPVOID lpParameter   // thread data
)
{
while(TRUE)
{
WaitForSingleObject(hMutex,INFINITE);
if(tickets>0)
{
Sleep(1);
cout<<"thread2 sell ticket : "< }
else
break;
ReleaseMutex(hMutex);
}




WaitForSingleObject(hMutex,INFINITE);
cout<<"thread2 is running"< return 0;
}