mirror of
https://github.com/thorvg/thorvg.git
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74 lines
No EOL
1.9 KiB
C++
74 lines
No EOL
1.9 KiB
C++
/*
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* Copyright (c) 2020 Samsung Electronics Co., Ltd. All rights reserved.
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef _TVG_TASK_SCHEDULER_H_
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#define _TVG_TASK_SCHEDULER_H_
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#include "tvgCommon.h"
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namespace tvg
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{
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struct Task
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{
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private:
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promise<void> sender;
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future<void> receiver;
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public:
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virtual ~Task() = default;
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void get()
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{
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if (receiver.valid()) {
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receiver.get();
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}
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}
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protected:
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virtual void run() = 0;
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private:
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void operator()()
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{
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run();
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sender.set_value();
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}
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void prepare()
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{
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sender = promise<void>();
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receiver = sender.get_future();
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}
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friend class TaskSchedulerImpl;
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};
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struct TaskScheduler
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{
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static void init(unsigned threads);
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static void term();
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static void request(Task* task);
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};
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}
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#endif //_TVG_TASK_SCHEDULER_H_
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