posix_getpgid Get process group id for job control php函数


posix_getpgid

(PHP 4, PHP 5)

posix_getpgidGet process group id for job control

说明

int posix_getpgid ( int $pid )

Returns the process group identifier of the process pid 或者在失败时返回 FALSE.

参数

pid

The process id.

返回值

Returns the identifier, as an integer.

范例

Example #1 Example use of posix_getpgid()

<?php
$pid 
posix_getppid();
echo 
posix_getpgid($pid); //35
?>

注释

Note:

This is a not POSIX function, but is common on BSD and System V systems. If the system does not support this function, then it will not be included at compile time. This may be checked with function_exists().

参见

  • posix_getppid() - Return the parent process identifier
  • man page SETPGID(2)



相关阅读:
posix_getpgrp Return the current process group identifier
posix_getpid Return the current process identifier
posix_getppid Return the parent process identifier
posix_getpwnam Return info about a user by username
posix_getpwuid Return info about a user by user id
posix_getrlimit Return info about system resource limits
posix_getsid Get the current sid of the process
posix_getuid Return the real user ID of the current process
posix_get_last_error Retrieve the error number set by the last posix function that failed
posix_initgroups Calculate the group access list
posix_isatty Determine if a file descriptor is an interactive terminal
posix_kill Send a signal to a process
posix_mkfifo Create a fifo special file (a named pipe)
posix_mknod Create a special or ordinary file (POSIX.1)
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