AuroraRuntime/Source/Process/AuProcessSectionFileMapView.Unix.hpp

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

    File: AuProcessSectionFileMapView.Unix.hpp
    Date: 2022-08-09
    Author: Reece
***/
#pragma once

namespace Aurora::Process
{
    struct ProcessSectionView;

    struct ProcessSectionFileMapView : IProcessSectionMapView
    {
        ProcessSectionFileMapView(AuUInt uAddress, AuUInt uLength, bool bShouldUnmap, int optFd = -1);
        virtual ~ProcessSectionFileMapView();

        void Unmap() override;

        bool Flush(AuUInt uOffset, AuUInt uLength) override;

        AuUInt GetBaseAddress() override;
        AuUInt GetAddress(AuUInt uOffset) override;

        AuUInt8 *GetBasePointer() override;
        AuUInt8 *GetPointer(AuUInt uOffset) override;

        Memory::MemoryViewWrite ToWriteView() override;
        Memory::MemoryViewRead ToReadView() override;

        AuSPtr<IProcessSectionView> pSharedSectionHint {};
        
        bool LockSwap() override;
        bool UnlockSwap() override;

    private:
        AuUInt uAddress_ {};
        AuUInt uLength_ {};
        AuMutex mutex_;
        AuAUInt32 uInUse_ {};
        bool bShouldUnmap_ {};
        int optFd_ {-1};
        bool bIsDead_ {};
    };
}