friendica/include/pidfile.php

42 wiersze
798 B
PHP
Czysty Zwykły widok Historia

<?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 $this->_running;
}
public function running_time() {
return(time() - filectime($this->_file));
}
public function kill() {
if (file_exists($this->_file))
return(posix_kill(file_get_contents($this->_file), SIGTERM));
}
}
?>