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  • posix_getpgid()

    (PHP 4, PHP 5, PHP 7)

    Get process group id for job control

    说明

    posix_getpgid(int $pid): int

    Returns the process group identifier of the process$pid或者在失败时返回FALSE.

    参数

    $pid

    The process id.

    返回值

    Returns the identifier, as an integer.

    范例

    Example use of posix_getpgid()

    <?php
    $pid = posix_getppid();
    echo posix_getpgid($pid); //35
    ?>
    

    注释

    Note:

    This is a not POSIX function, but is common on BSD and System V systems. If the system does not support this function, then it will not be included at compile time. This may be checked with function_exists().

    参见

    上篇:posix_getlogin()

    下篇:posix_getpgrp()