posix_getpgid

(PHP 4, PHP 5)

posix_getpgid — Get process group id for job control

Popis

int posix_getpgid ( int $pid )

Returns the process group identifier of the process pid.

Seznam parametrů

pid: The process id.

Návratové hodnoty

Returns the identifier, as an integer.

Poznámky

Poznámka: This is not a POSIX function, but is common on BSD and System V systems. If your system does not support this function at system level, this PHP function will always return FALSE.

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posix_getpgid

bozo_z_clown at yahoo dot com
02-Feb-2008 03:07


posix_getpgid() returns NULL if the given pid doesn't exist and can therefore be used to determine if a particular pid refers to an existing process.  Beware, however, that pids are recycled so this method can result in false positives.

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posix_getpgrp

posix_getlogin

Last updated: Sat, 24 Mar 2007