73 lines
1.1 KiB
PHP
73 lines
1.1 KiB
PHP
|
<?php
|
||
|
|
/**
|
||
|
|
* @file src/Util/Pidfile.php
|
||
|
|
*/
|
||
|
|
namespace Friendica\Util;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Pidfile class
|
||
|
|
*/
|
||
|
|
class Pidfile
|
||
|
|
{
|
||
|
|
private $file;
|
||
|
|
private $running;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param string $dir path
|
||
|
|
* @param string $name filename
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
public function __construct($dir, $name)
|
||
|
|
{
|
||
|
|
$this->_file = "$dir/$name.pid";
|
||
|
|
|
||
|
|
if (file_exists($this->_file)) {
|
||
|
|
$pid = trim(@file_get_contents($this->file));
|
||
|
|
if (($pid != "") && posix_kill($pid, 0)) {
|
||
|
|
$this->running = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (! $this->running) {
|
||
|
|
$pid = getmypid();
|
||
|
|
file_put_contents($this->file, $pid);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
public function __destruct()
|
||
|
|
{
|
||
|
|
if ((! $this->running) && file_exists($this->file)) {
|
||
|
|
@unlink($this->file);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @return boolean
|
||
|
|
*/
|
||
|
|
public static function isRunning()
|
||
|
|
{
|
||
|
|
return self::$running;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @return object
|
||
|
|
*/
|
||
|
|
public static function runningTime()
|
||
|
|
{
|
||
|
|
return time() - @filectime(self::$file);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @return boolean
|
||
|
|
*/
|
||
|
|
public static function kill()
|
||
|
|
{
|
||
|
|
if (file_exists(self::$file)) {
|
||
|
|
return posix_kill(file_get_contents(self::$file), SIGTERM);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|