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 .

如果成功则返回 TRUE，失败则返回 FALSE。

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