69 lines
1.6 KiB
C++
69 lines
1.6 KiB
C++
/***
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Copyright (C) 2023 J Reece Wilson (a/k/a "Reece"). All rights reserved.
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File: AuConditionMutex.Linux.hpp
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Date: 2023-8-11
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Author: Reece
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***/
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#pragma once
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#include "AuIConditionMutexEx.hpp"
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namespace Aurora::Threading::Primitives
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{
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#pragma pack(push)
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#pragma pack(4)
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// We're being recycled as a tiny mutex for AuCriticalSection
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// The thread cookie of sizeof(void *) under linux/x86_64 is too large
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// We can be in parity with other platforms by switching to whichever mutex type is most convenient
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struct LinuxConditionMutex final
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{
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LinuxConditionMutex();
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~LinuxConditionMutex();
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bool TryLock();
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void Lock();
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void Unlock();
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AuUInt GetOSHandle();
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bool LockMS(AuUInt64 timeout);
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bool LockNS(AuUInt64 timeout);
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bool LockAbsMS(AuUInt64 timeout);
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bool LockAbsNS(AuUInt64 timeout);
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auline bool TryLockNoSpin();
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auline bool TryLockHeavy();
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private:
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AuUInt32 uState_ {};
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AuUInt32 uSleeping_ {};
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};
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#pragma pack(pop)
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using ConditionMutexInternal = LinuxConditionMutex;
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struct ConditionMutexImpl final : IConditionMutexEx
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{
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auline bool TryLock()
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{
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return mutex.TryLock();
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}
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auline void Lock()
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{
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mutex.Unlock();
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}
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auline void Unlock()
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{
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mutex.Unlock();
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}
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inline AuUInt GetOSHandle()
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{
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return mutex.GetOSHandle();
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}
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ConditionMutexInternal mutex;
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};
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} |