php pctnl拓展安装

进入php源码的的ext/pcntl目录下

cd /home/shenbian/php-5.3.3/ext/pcntl

[root@iZ25jw3825lZ pcntl]# phpize 
Configuring for:
PHP Api Version:         20121113
Zend Module Api No:      20121212
Zend Extension Api No:   220121212
[root@iZ25jw3825lZ pcntl]# 

[root@iZ25jw3825lZ pcntl]# 
[root@iZ25jw3825lZ pcntl]# 
[root@iZ25jw3825lZ pcntl]# ./configure
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking for a sed that does not truncate output... /bin/sed
checking for cc... cc
checking for C compiler default output file name... a.out
checking whether the C compiler works... yes
checking whether we are cross compiling... no
checking for suffix of executables... 
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether cc accepts -g... yes
checking for cc option to accept ISO C89... none needed
checking how to run the C preprocessor... cc -E
checking for icc... no
checking for suncc... no
checking whether cc understands -c and -o together... yes
checking for system library directory... lib
checking if compiler supports -R... no
checking if compiler supports -Wl,-rpath,... yes
checking build system type... x86_64-unknown-linux-gnu
checking host system type... x86_64-unknown-linux-gnu
checking target system type... x86_64-unknown-linux-gnu
configure: error: Cannot find php-config. Please use --with-php-config=PATH
[root@iZ25jw3825lZ pcntl]# 
[root@iZ25jw3825lZ pcntl]# ./configure --with-php-config=/usr/local/php/bin/ph
phar        phar.phar   php         php-config  phpize      
[root@iZ25jw3825lZ pcntl]# ./configure --with-php-config=/usr/local/php/bin/php-config 
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking for a sed that does not truncate output... /bin/sed
checking for cc... cc
checking for C compiler default output file name... a.out
checking whether the C compiler works... yes
checking whether we are cross compiling... no
checking for suffix of executables... 
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether cc accepts -g... yes
checking for cc option to accept ISO C89... none needed
checking how to run the C preprocessor... cc -E
checking for icc... no
checking for suncc... no
checking whether cc understands -c and -o together... yes
checking for system library directory... lib
checking if compiler supports -R... no
checking if compiler supports -Wl,-rpath,... yes
checking build system type... x86_64-unknown-linux-gnu
checking host system type... x86_64-unknown-linux-gnu
checking target system type... x86_64-unknown-linux-gnu
checking for PHP prefix... /usr/local/php
checking for PHP includes... -I/usr/local/php/include/php -I/usr/local/php/include/php/main -I/usr/local/php/include/php/TSRM -I/usr/local/php/include/php/Zend -I/usr/local/php/include/php/ext -I/usr/local/php/include/php/ext/date/lib
checking for PHP extension directory... /usr/local/php/lib/php/extensions/no-debug-non-zts-20090626
checking for PHP installed headers prefix... /usr/local/php/include/php
checking if debug is enabled... no
checking if zts is enabled... no
checking for re2c... no
configure: WARNING: You will need re2c 0.13.4 or later if you want to regenerate PHP parsers.
checking for gawk... gawk
checking whether to enable pcntl support... yes, shared
checking for fork... yes
checking for waitpid... yes
checking for sigaction... yes
checking for getpriority... yes
checking for setpriority... yes
checking for wait3... yes
checking for sigprocmask... yes
checking for sigwaitinfo... yes
checking for sigtimedwait... yes
checking for ld used by cc... /usr/bin/ld
checking if the linker (/usr/bin/ld) is GNU ld... yes
checking for /usr/bin/ld option to reload object files... -r
checking for BSD-compatible nm... /usr/bin/nm -B
checking whether ln -s works... yes
checking how to recognize dependent libraries... pass_all
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking dlfcn.h usability... yes
checking dlfcn.h presence... yes
checking for dlfcn.h... yes
checking the maximum length of command line arguments... 1966080
checking command to parse /usr/bin/nm -B output from cc object... ok
checking for objdir... .libs
checking for ar... ar
checking for ranlib... ranlib
checking for strip... strip
checking if cc supports -fno-rtti -fno-exceptions... no
checking for cc option to produce PIC... -fPIC
checking if cc PIC flag -fPIC works... yes
checking if cc static flag -static works... no
checking if cc supports -c -o file.o... yes
checking whether the cc linker (/usr/bin/ld -m elf_x86_64) supports shared libraries... yes
checking whether -lc should be explicitly linked in... no
checking dynamic linker characteristics... GNU/Linux ld.so
checking how to hardcode library paths into programs... immediate
checking whether stripping libraries is possible... yes
checking if libtool supports shared libraries... yes
checking whether to build shared libraries... yes
checking whether to build static libraries... no


creating libtool
appending configuration tag "CXX" to libtool
configure: creating ./config.status
config.status: creating config.h
[root@iZ25jw3825lZ pcntl]# 
[root@iZ25jw3825lZ pcntl]# 
[root@iZ25jw3825lZ pcntl]# 
[root@iZ25jw3825lZ pcntl]# make && make install
/bin/sh /home/shenbian/php-5.3.3/ext/pcntl/libtool --mode=link cc -DPHP_ATOM_INC -I/home/shenbian/php-5.3.3/ext/pcntl/include -I/home/shenbian/php-5.3.3/ext/pcntl/main -I/home/shenbian/php-5.3.3/ext/pcntl -I/usr/local/php/include/php -I/usr/local/php/include/php/main -I/usr/local/php/include/php/TSRM -I/usr/local/php/include/php/Zend -I/usr/local/php/include/php/ext -I/usr/local/php/include/php/ext/date/lib  -DHAVE_CONFIG_H  -g -O2   -o pcntl.la -export-dynamic -avoid-version -prefer-pic -module -rpath /home/shenbian/php-5.3.3/ext/pcntl/modules  pcntl.lo php_signal.lo 
mkdir .libs
cc -shared    -Wl,-soname -Wl,pcntl.so -o .libs/pcntl.so
creating pcntl.la
(cd .libs && rm -f pcntl.la && ln -s ../pcntl.la pcntl.la)
/bin/sh /home/shenbian/php-5.3.3/ext/pcntl/libtool --mode=install cp ./pcntl.la /home/shenbian/php-5.3.3/ext/pcntl/modules
cp ./.libs/pcntl.so /home/shenbian/php-5.3.3/ext/pcntl/modules/pcntl.so
cp ./.libs/pcntl.lai /home/shenbian/php-5.3.3/ext/pcntl/modules/pcntl.la
PATH="$PATH:/sbin" ldconfig -n /home/shenbian/php-5.3.3/ext/pcntl/modules
----------------------------------------------------------------------
Libraries have been installed in:
   /home/shenbian/php-5.3.3/ext/pcntl/modules


If you ever happen to want to link against installed libraries
in a given directory, LIBDIR, you must either use libtool, and
specify the full pathname of the library, or use the `-LLIBDIR'
flag during linking and do at least one of the following:
   - add LIBDIR to the `LD_LIBRARY_PATH' environment variable
     during execution
   - add LIBDIR to the `LD_RUN_PATH' environment variable
     during linking
   - use the `-Wl,--rpath -Wl,LIBDIR' linker flag
   - have your system administrator add LIBDIR to `/etc/ld.so.conf'


See any operating system documentation about shared libraries for
more information, such as the ld(1) and ld.so(8) manual pages.
----------------------------------------------------------------------


Build complete.
Don't forget to run 'make test'.


Installing shared extensions:     /usr/local/php/lib/php/extensions/no-debug-non-zts-20090626/
[root@iZ25jw3825lZ pcntl]# 
[root@iZ25jw3825lZ pcntl]# 
[root@iZ25jw3825lZ pcntl]# 
[root@iZ25jw3825lZ pcntl]# 
[root@iZ25jw3825lZ pcntl]# 
[root@iZ25jw3825lZ pcntl]# 
[root@iZ25jw3825lZ pcntl]# php -m   使用php -m查看模块命令可以查看已安装的模块
[PHP Modules]
bz2
calendar
Core
ctype
curl
date
ereg
exif
fileinfo
filter
ftp
gettext
gmp
hash
iconv
json
libxml
openssl
pcntl
pcre
Phar
posix
readline
Reflection
session
shmop
SimpleXML
sockets
SPL
standard
sysvmsg
sysvsem
sysvshm
tokenizer
xml
zip
zlib

在php.ini中添加pcntl.so

重启php-fpm:

PHP Warning:  PHP Startup: Invalid library (maybe not a PHP library) 'pcntl.so' in Unknown on line 0


Warning: PHP Startup: Invalid library (maybe not a PHP library) 'pcntl.so' in Unknown on line 0



原因是:

我在编译的php的时候已经指定了enable-pcntl,就不需要再php.ini中加extension=pcntl.so


还有  多进程只能在命令行模式下使用

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