mirror of
https://github.com/Xaymar/obs-StreamFX
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08024049c2
This thread pool can take large or small tasks and as such alleviates the burden of having a thread per source. Particularly for large setups, this drastically reduces the number of threads running in the background waiting for work.
46 lines
1.6 KiB
C++
46 lines
1.6 KiB
C++
/*
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* Modern effects for a modern Streamer
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* Copyright (C) 2020 Michael Fabian Dirks
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#pragma once
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#include <atomic>
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#include <functional>
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#include <list>
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#include <mutex>
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#include <thread>
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namespace util {
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typedef std::function<void(std::shared_ptr<void>)> threadpool_function_t;
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class threadpool {
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std::list<std::thread> _workers;
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std::atomic_bool _worker_stop;
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std::list<std::pair<threadpool_function_t, std::shared_ptr<void>>> _tasks;
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std::mutex _tasks_lock;
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std::condition_variable _tasks_cv;
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public:
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threadpool();
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~threadpool();
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void push(threadpool_function_t fn, std::shared_ptr<void> data);
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private:
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void work();
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};
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} // namespace util
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