hiqdev\assetpackagist\helpers\Locker::release PHP Method

    public function release()
    {
        if ($this->_count < 1) {
            throw new Exception('no lock to release');
        }
        if ($this->_count === 1) {
            if (!flock($this->getHandle(), LOCK_UN)) {
                throw new Exception('failed release lock');
            }
        }
        --$this->_count;
    }