73 lines
1.8 KiB
C++
73 lines
1.8 KiB
C++
/***
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Copyright (C) 2021-2024 J Reece Wilson (a/k/a "Reece"). All rights reserved.
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File: AuEvent.hpp
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Date: 2021-6-12
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Author: Reece
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***/
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#pragma once
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#include "AuConditionVariable.Generic.hpp"
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#include "AuConditionMutex.Generic.hpp"
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namespace Aurora::Threading::Primitives
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{
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struct EventImpl final : IEvent
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{
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EventImpl(bool bTriggered, bool bAtomicRelease, bool bPermitMultipleTriggers);
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~EventImpl();
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bool Init();
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bool LockMS(AuUInt64 timeout /*=0*/) override;
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bool LockNS(AuUInt64 timeout /*=0*/) override;
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bool LockAbsNS(AuUInt64 timeout /*=0*/) override;
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bool TryLock() override;
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void Reset() override;
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void Set() override;
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bool TrySet() override;
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bool HasOSHandle(AuMach &mach) override;
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bool HasLockImplementation() override;
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void Lock() override;
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void Unlock() override;
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auline AuUInt32 *GetSleepCounter();
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private:
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bool AtomicIsEventSetLogicNoSpinNoLock();
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ConditionMutexInternal mutex_; // must come first
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ConditionVariableInternal condition_;
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#if 0
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const bool bAtomicRelease_ {};
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const bool bPermitMultipleTriggers_ {};
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bool bTriggered_ {};
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#else
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union EventBits
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{
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struct
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{
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AuUInt8 bAtomicRelease : 1;
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AuUInt8 bPermitMultipleTriggers : 1;
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AuUInt8 bTriggered : 1;
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};
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AuUInt32 state;
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};
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union
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{
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struct
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{
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AuUInt8 bAtomicRelease_ : 1;
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AuUInt8 bPermitMultipleTriggers_ : 1;
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AuUInt8 bTriggered_ : 1;
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};
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AuUInt32 state_;
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};
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void DoSignal(const EventBits &bits);
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#endif
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};
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} |