PHP Manual
POSIX 函数
Return the current process group identifier

posix_getpgrp

(PHP 4, PHP 5, PHP 7)

posix_getpgrp — Return the current process group identifier

说明

posix_getpgrp ( void ) : int

Return the process group identifier of the current process.

返回值

Returns the identifier, as an integer.

参见

POSIX.1 and the getpgrp(2) manual page on the POSIX system for more information on process groups.

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