posix_setpgid

(PHP 4, PHP 5)

posix_setpgid — Set process group id for job control

bool posix_setpgid ( int $pid , int $pgid )

Let the process pid join the process group pgid.

成功时返回 TRUE，或者在失败时返回 FALSE.

See POSIX.1 and the setsid(2) manual page on the POSIX system for more informations on process groups and job control.