/** Wrapper around queue that uses POSIX CV's for signalling writes. * * @file * @author Georg Martin Reinke * @copyright 2014-2020, Institute for Automation of Complex Power Systems, EONERC * @license GNU General Public License (version 3) * * VILLASnode * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . *********************************************************************************/ #pragma once #include #include namespace villas { template class Queue { protected: std::queue queue; std::mutex mtx; public: void push(T p) { std::unique_lock guard(mtx); queue.push(p); } T pop() { std::unique_lock guard(mtx); T res = queue.front(); queue.pop(); return res; } bool empty() { std::unique_lock guard(mtx); return queue.empty(); } }; } /* namespace villas */