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81 lines
3.0 KiB
C++
81 lines
3.0 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2016 *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
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* software and associated documentation files (the "Software"), to deal in the Software *
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* without restriction, including without limitation the rights to use, copy, modify, *
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* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
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* permit persons to whom the Software is furnished to do so, subject to the following *
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* conditions: *
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* *
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* The above copyright notice and this permission notice shall be included in all copies *
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* or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
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* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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****************************************************************************************/
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#ifndef __THREAD_POOL_H__
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#define __THREAD_POOL_H__
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#include <glm/glm.hpp>
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#include <memory>
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#include <ostream>
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#include <thread>
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#include <queue>
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#include <modules/globebrowsing/other/concurrentqueue.h>
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#include <ghoul/misc/assert.h>
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// Implementatin based on http://progsch.net/wordpress/?p=81
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namespace openspace {
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class ThreadPool;
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class Worker {
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public:
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Worker(ThreadPool& pool);
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void operator()();
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private:
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ThreadPool& pool;
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};
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class ThreadPool {
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public:
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ThreadPool(size_t numThreads);
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~ThreadPool();
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void enqueue(std::function<void()> f);
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void clearTasks();
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private:
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friend class Worker;
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std::vector<std::thread> workers;
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std::deque<std::function<void()>> tasks;
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std::mutex queue_mutex;
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std::condition_variable condition;
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bool stop;
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};
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} // namespace openspace
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#endif // __THREAD_POOL_H__
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