AuroraRuntime/Source/IO/IPC/AuIPCMutexFutex.Linux.hpp

#pragma once

#include "AuIPCHandle.hpp"
#include "AuIPCPrimitives.Linux.hpp"

namespace Aurora::IO::IPC
{
    struct IMutexClosedHook
    {
        virtual bool OnClosed() = 0;
    };

    struct IPCPipeImpl;
    struct IPCMutexProxy : IPCMutex, Loop::ILoopSourceEx, AuEnableSharedFromThis<IPCMutexProxy>, IMutexClosedHook
    {
        IPCMutexProxy(AuUInt32 index);
        IPCMutexProxy(int handle, AuSPtr<IPCSharedMemory> mem, AuUInt32 index);
        ~IPCMutexProxy();

        PROXY_INTERNAL_INTERFACE(mutex_)

        bool OnClosed() override;

        bool Unlock() override;

        bool IsSignaledNoSpinIfUserland() override;
        bool IsSignaled() override;
        bool WaitOn(AuUInt32 timeout) override;
        Loop::ELoopSource GetType() override;

        AuString ExportToString() override;

        AuUInt32 *GetFutex();

        IMutexClosedHook *pMutexClosedHook {};

    private:
        bool bOwned {};
        IPCToken token_;
        AuSPtr<IPCSharedMemory> mem_;
        AuUInt32 index_;
        Loop::LSMutex mutex_;
        AuSPtr<void> leakSelf_;

        friend IPCPipeImpl;
    };

    AuSPtr<IPCMutexProxy> ImportMutexEx(const IPCToken &handle, const IPCToken &mem, AuUInt32 index);
}