/***
    Copyright (C) 2022-2024 J Reece Wilson (a/k/a "Reece"). All rights reserved.

    File: AuSemaphore.Linux.hpp
    Date: 2022-12-28
    Author: Reece
***/
#pragma once

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

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

        auline bool TryLockNoSpin();
        auline bool TryLockHeavy();
    private:
        AuUInt32 dwState_ {};
        AuUInt32 dwSleeping_ {};
    };
}