posix_kill

(PHP 4, PHP 5, PHP 7)

posix_kill — Send a signal to a process

bool posix_kill ( int $pid , int $sig )

Send the signal sig to the process with the process identifier pid.

成功时返回 TRUE，或者在失败时返回 FALSE。

The kill(2) manual page of the POSIX system, which contains additional information about negative process identifiers, the special pid 0, the special pid -1, and the signal number 0.