Php/docs/function.posix-getpgid
来自菜鸟教程
posix_getpgid
(PHP 4, PHP 5, PHP 7)
posix_getpgid — Get process group id for job control
说明
posix_getpgid
( int $pid
) : int|false
Returns the process group identifier of the process
pid 或者在失败时返回 false.
参数
pid- The process id.
返回值
Returns the identifier, as an int.
范例
Example #1 Example use of posix_getpgid()
<?php$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().
