74 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			74 lines
		
	
	
		
			2.3 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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| 
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| #pragma once
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| #include <atomic>
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| #include <condition_variable>
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| #include <functional>
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| #include <list>
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| #include <memory>
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| #include <mutex>
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| #include <stdexcept>
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| #include <thread>
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| 
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| namespace streamfx::util {
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| 	typedef std::shared_ptr<void>                  threadpool_data_t;
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| 	typedef std::function<void(threadpool_data_t)> threadpool_callback_t;
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| 
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| 	class threadpool {
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| 		public:
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| 		class task {
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| 			protected:
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| 			std::mutex              _mutex;
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| 			std::condition_variable _is_complete;
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| 			std::atomic<bool>       _is_dead;
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| 			threadpool_callback_t   _callback;
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| 			threadpool_data_t       _data;
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| 
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| 			public:
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| 			task();
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| 			task(threadpool_callback_t callback_function, threadpool_data_t data);
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| 
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| 			void await_completion();
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| 
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| 			friend class streamfx::util::threadpool;
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| 		};
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| 
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| 		private:
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| 		std::list<std::thread>                                         _workers;
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| 		std::atomic<bool>                                              _worker_stop;
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| 		std::atomic<uint32_t>                                          _worker_idx;
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| 		std::list<std::shared_ptr<::streamfx::util::threadpool::task>> _tasks;
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| 		std::mutex                                                     _tasks_lock;
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| 		std::condition_variable                                        _tasks_cv;
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| 
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| 		public:
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| 		threadpool();
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| 		~threadpool();
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| 
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| 		std::shared_ptr<::streamfx::util::threadpool::task> push(threadpool_callback_t callback_function,
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| 																 threadpool_data_t     data);
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| 
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| 		void pop(std::shared_ptr<::streamfx::util::threadpool::task> work);
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| 
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| 		private:
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| 		void work();
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| 	};
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| } // namespace streamfx::util
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