AuroraRuntime/Source/Threading/Primitives/AuSemaphore.NT.hpp

/***
    Copyright (C) 2021 J Reece Wilson (a/k/a "Reece"). All rights reserved.

    File: AuSemaphore.NT.hpp
    Date: 2021-6-12
    Author: Reece
***/
#pragma once

#include "AuConditionMutex.Generic.hpp"
#include "AuConditionVariable.NT.hpp"

namespace Aurora::Threading::Primitives
{
    struct SemaphoreImpl final : ISemaphore
    {
        SemaphoreImpl(AuUInt16 uIntialValue = 0);
        ~SemaphoreImpl();

        bool HasOSHandle(AuMach &mach) override;
        bool HasLockImplementation() override;
        bool TryLock() override;
        bool LockMS(AuUInt64 timeout) override;
        bool LockNS(AuUInt64 timeout) override;
        bool LockAbsNS(AuUInt64 qwTimeoutAbs) override;
        void Lock() override;
        void Unlock(AuUInt16 count) override;
        void Unlock() override;

        auline bool TryLockNoSpin();
        auline bool TryLockHeavy();

        auline AuUInt32 *GetSleepCounter();
    private:
        AuAUInt32 dwState_ {};
        ConditionMutexInternal mutex;
        ConditionVariableInternal var;
    };
}