Method empty

src/util/ThreadBlockingQueue.h:196–199

* Check if the queue is empty. * \return true if queue is empty. */

     * \return true if queue is empty.
     */
    bool empty() const {
        std::lock_guard < SpinMutex > lock(m_mutex);
        return m_queue.empty();
    }

    /**
     *  Check if the queue is full.