recaptime.dev
@recaptime-dev's working patches + fork for Phorge, a community fork of Phabricator. (Upstream dev and stable branches are at upstream/main and upstream/stable respectively.)
hq.recaptime.dev/wiki/Phorge
phorge
phabricator
1<?php
2
3// TODO: See T13321. After the removal of daemon PID files this class
4// no longer makes as much sense as it once did.
5
6final class PhabricatorDaemonReference extends Phobject {
7
8 public static function isProcessRunning($pid) {
9 if (!$pid) {
10 return false;
11 }
12
13 if (function_exists('posix_kill')) {
14 // This may fail if we can't signal the process because we are running as
15 // a different user (for example, we are 'apache' and the process is some
16 // other user's, or we are a normal user and the process is root's), but
17 // we can check the error code to figure out if the process exists.
18 $is_running = posix_kill($pid, 0);
19 if (posix_get_last_error() == 1) {
20 // "Operation Not Permitted", indicates that the PID exists. If it
21 // doesn't, we'll get an error 3 ("No such process") instead.
22 $is_running = true;
23 }
24 } else {
25 // If we don't have the posix extension, just exec.
26 list($err) = exec_manual('ps %s', $pid);
27 $is_running = ($err == 0);
28 }
29
30 return $is_running;
31 }
32
33}