PHP進程鎖類PHPLock程式碼

程式碼如下

代碼如下

複製代碼

<?php //+---------------------------------------------- //|    Usage: //+---------------------------------------------- //|    public function _initialize(){ //|        import('@.Util.PHPLock'); //| //|        if(PHPLock::islocked()){ //|            echo "[+] Status: Locked＼n"; //|            echo "[+] Exit＼n"; //|            exit(); //|        }else{ //|            echo "[+] Status: Unlocked＼n"; //|            echo "[-] Locking Now＼n"; //|            PHPLock::lock(); //|        } //|    } //| //|    function __destruct(){ //|        if(true === PHPLock::unlock()){ //|            echo "[+] Unlock Success＼n"; //|        } //|    } //+---------------------------------------------- class PHPLock {     const PHPLOCK_TIMEOUT = 1200;     static private $pid = null;         static public function lock(){         $key = self::__getKey();         self::$pid = time();         F($key, self::$pid);         return true;     }         static public function unlock(){         $key = self::__getKey();         if(self::$pid){             F($key, null);             return true;         }         return;     }         static public function islocked(){         $key = self::__getKey();         $time = F($key);         if(!$time){             return false;         }elseif(time() - $time >= self::getTimeout()){             self::unlock();             return false;         }else{             return true;         }     }         static public function getTimeout(){         $key = str_replace(self::__getKey(), '_Lock', '_TIMEOUT');         $expire = C($key) ? C($key) : self::PHPLOCK_TIMEOUT;         return $expire;     }         static private function __getKey(){         return (defined('GROUP_NAME') ? GROUP_NAME.'_' : '') . MODULE_NAME . '_' . ACTION_NAME . '_Lock';     } } ?>