Ejemplos de QueryQueue::swap en C++ (Cpp)

Ejemplo n.º 1

Archivo: accessor.cpp Proyecto: scp1513/cppserver

void Worker::run()
{
	QueryQueue query_queue;
	QueryPtr follower_query;

	while (working_)
	{
		assert(query_queue.empty());

		{
			std::unique_lock<std::mutex> lock(mutex_);
			if (!follower_query_ && query_queue_.empty())
			{
				cond_.wait(lock);
			}

			if (follower_query_)
			{
				follower_query = follower_query_;
				follower_query_.reset();
			}
			if (!query_queue_.empty())
			{
				query_queue_.swap(query_queue);
			}
		}

		while (!query_queue.empty())
		{
			handle_query(query_queue.front());
			query_queue.pop_front();
		}

		if (follower_query != nullptr)
		{
			handle_query(follower_query);
			follower_query.reset();

			on_query_finished(shared_from_this());
		}
	}
}