malkusch\lock\mutex\SpinlockMutex::lock PHP Метод

    protected function lock()
    {
        $this->loop->execute(function () {
            $this->acquired = microtime(true);
            /*
             * The expiration time for the lock is increased by one second
             * to ensure that we delete only our keys. This will prevent the
             * case that this key expires before the timeout, and another process
             * acquires successfully the same key which would then be deleted
             * by this process.
             */
            if ($this->acquire($this->key, $this->timeout + 1)) {
                $this->loop->end();
            }
        });
    }