godot/thirdparty/thorvg/src/renderer/tvgTaskScheduler.h

/*
 * Copyright (c) 2020 - 2024 the ThorVG project. All rights reserved.

 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:

 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#ifndef _TVG_TASK_SCHEDULER_H_
#define _TVG_TASK_SCHEDULER_H_

#include <mutex>
#include <condition_variable>

#include "tvgCommon.h"
#include "tvgInlist.h"

namespace tvg {

#ifdef THORVG_THREAD_SUPPORT

struct Task
{ … };

#else  //THORVG_THREAD_SUPPORT

struct Task
{
public:
    INLIST_ITEM(Task);

    virtual ~Task() = default;
    void done() {}

protected:
    virtual void run(unsigned tid) = 0;

private:
    friend struct TaskSchedulerImpl;
};

#endif  //THORVG_THREAD_SUPPORT


struct TaskScheduler
{ … };

}  //namespace

#endif //_TVG_TASK_SCHEDULER_H_