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处理控制 | Process Control

posix_getpgid

posix_getpgid

(PHP 4, PHP 5, PHP 7)

posix_getpgid — Get process group id for job control

Description

int posix_getpgid ( int $pid )

Returns the process group identifier of the process pid or FALSE on failure.

Parameters

pid

The process id.

Return Values

Returns the identifier, as an integer.

Examples

Example #1 Example use of posix_getpgid()

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

Notes

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().

See Also

  • posix_getppid() - Return the parent process identifier

  • man page SETPGID(2)

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https://secure.php.net/manual/en/function.posix-getpgid.php