posix_getpgid

(PHP 4, PHP 5)

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)