Method hasState

src/threaded_queue.hh:46–52

  std::condition_variable_any cv;

  static bool hasState(std::initializer_list<BaseThreadQueue *> queues) {
    for (BaseThreadQueue *queue : queues) {
      if (!queue->isEmpty())
        return true;
    }
    return false;
  }

  template <typename... BaseThreadQueue> bool wait(std::atomic<bool> &quit, BaseThreadQueue... queues) {
    MultiQueueLock<BaseThreadQueue...> l(queues...);