Summary: Get process group id for job control
PHP 5Related methods: posix_getppid
int posix_getpgid(int $pid)
Returns the process group identifier of the process
FALSE on failure.
Returns the identifier, as an integer.
- int $pid: The process id.
Example #1 Example use of posix_getpgid()
$pid = posix_getppid();
echo posix_getpgid($pid); //35
- 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().