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