52 lines
1.3 KiB
C++
52 lines
1.3 KiB
C++
// Copyright (C) 2015 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Core module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#pragma once
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#ifndef NAZARA_TASKSCHEDULERIMPL_HPP
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#define NAZARA_TASKSCHEDULERIMPL_HPP
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#include <Nazara/Prerequesites.hpp>
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#include <Nazara/Core/Functor.hpp>
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#include <atomic>
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#include <memory>
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#include <queue>
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#include <windows.h>
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namespace Nz
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{
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class TaskSchedulerImpl
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{
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public:
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TaskSchedulerImpl() = delete;
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~TaskSchedulerImpl() = delete;
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static bool Initialize(std::size_t workerCount);
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static bool IsInitialized();
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static void Run(Functor** tasks, std::size_t count);
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static void Uninitialize();
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static void WaitForTasks();
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private:
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static Functor* StealTask(std::size_t workerID);
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static unsigned int __stdcall WorkerProc(void* userdata);
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struct Worker
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{
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std::atomic_size_t workCount;
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std::queue<Functor*> queue;
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CRITICAL_SECTION queueMutex;
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HANDLE wakeEvent;
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volatile bool running;
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};
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static std::unique_ptr<HANDLE[]> s_doneEvents; // Doivent être contigus
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static std::unique_ptr<Worker[]> s_workers;
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static std::unique_ptr<HANDLE[]> s_workerThreads; // Doivent être contigus
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static DWORD s_workerCount;
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};
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}
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#endif // NAZARA_TASKSCHEDULERIMPL_HPP
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