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extern/audaspace/src/util/Barrier.cpp
- This file was added.
| /******************************************************************************* | |||||
| * Copyright 2015-2016 Juan Francisco Crespo Galán | |||||
| * | |||||
| * Licensed under the Apache License, Version 2.0 (the "License"); | |||||
| * you may not use this file except in compliance with the License. | |||||
| * You may obtain a copy of the License at | |||||
| * | |||||
| * http://www.apache.org/licenses/LICENSE-2.0 | |||||
| * | |||||
| * Unless required by applicable law or agreed to in writing, software | |||||
| * distributed under the License is distributed on an "AS IS" BASIS, | |||||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |||||
| * See the License for the specific language governing permissions and | |||||
| * limitations under the License. | |||||
| ******************************************************************************/ | |||||
| #include "util/Barrier.h" | |||||
| AUD_NAMESPACE_BEGIN | |||||
| Barrier::Barrier(unsigned int count) : | |||||
| m_threshold(count), m_count(count), m_generation(0) | |||||
| { | |||||
| } | |||||
| Barrier::~Barrier() | |||||
| { | |||||
| } | |||||
| void Barrier::wait() | |||||
| { | |||||
| std::unique_lock<std::mutex> lck(m_mutex); | |||||
| int gen = m_generation; | |||||
| if(!--m_count) | |||||
| { | |||||
| m_count = m_threshold; | |||||
| m_generation++; | |||||
| m_condition.notify_all(); | |||||
| } | |||||
| else | |||||
| m_condition.wait(lck, [this, gen] { return gen != m_generation; }); | |||||
| } | |||||
| AUD_NAMESPACE_END | |||||
| No newline at end of file | |||||