mirror of
https://github.com/friendica/friendica
synced 2024-12-27 20:02:18 +00:00
33 lines
588 B
PHP
33 lines
588 B
PHP
|
<?php
|
||
|
|
class pidfile {
|
||
|
|
private $_file;
|
||
|
|
private $_running;
|
||
|
|
|
||
|
|
public function __construct($dir, $name) {
|
||
|
|
$this->_file = "$dir/$name.pid";
|
||
|
|
|
||
|
|
if (file_exists($this->_file)) {
|
||
|
|
$pid = trim(file_get_contents($this->_file));
|
||
|
|
if (posix_kill($pid, 0)) {
|
||
|
|
$this->_running = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (! $this->_running) {
|
||
|
|
$pid = getmypid();
|
||
|
|
file_put_contents($this->_file, $pid);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public function __destruct() {
|
||
|
|
if ((! $this->_running) && file_exists($this->_file)) {
|
||
|
|
unlink($this->_file);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public function is_already_running() {
|
||
|
|
return $this->_running;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
?>
|