obs-StreamFX/source/util/util-threadpool.hpp
Michael Fabian 'Xaymar' Dirks a54f1a144b util: Apply coding guidelines
2021-06-08 05:44:22 +02:00

69 lines
2.2 KiB
C++

/*
* Modern effects for a modern Streamer
* Copyright (C) 2020 Michael Fabian Dirks
*
* 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 2 of the License, or
* (at your option) 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#pragma once
#include <atomic>
#include <condition_variable>
#include <functional>
#include <list>
#include <memory>
#include <mutex>
#include <stdexcept>
#include <thread>
namespace streamfx::util {
typedef std::shared_ptr<void> threadpool_data_t;
typedef std::function<void(threadpool_data_t)> threadpool_callback_t;
class threadpool {
public:
class task {
protected:
std::atomic_bool _is_dead;
threadpool_callback_t _callback;
threadpool_data_t _data;
public:
task();
task(threadpool_callback_t callback_function, threadpool_data_t data);
friend class streamfx::util::threadpool;
};
private:
std::list<std::thread> _workers;
std::atomic_bool _worker_stop;
std::atomic<uint32_t> _worker_idx;
std::list<std::shared_ptr<::streamfx::util::threadpool::task>> _tasks;
std::mutex _tasks_lock;
std::condition_variable _tasks_cv;
public:
threadpool();
~threadpool();
std::shared_ptr<::streamfx::util::threadpool::task> push(threadpool_callback_t callback_function,
threadpool_data_t data);
void pop(std::shared_ptr<::streamfx::util::threadpool::task> work);
private:
void work();
};
} // namespace streamfx::util