80 lines
2.1 KiB
C++
80 lines
2.1 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: AuWoASemaphore.Unix.hpp
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Date: 2021-6-12
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Date: 2023-12-29
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Author: Reece
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Note: Implements the basic primitives for use when the generic WoA implementations of thread primitives are incorporated into a given target platform
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(Win9x - NT 2000 + Xbox [360] kernel objects, iOS/libdispatch semaphores, Nintendo Switch (NX semaphores), PlayStation X (kqueue yielding or not-pthread ~p~sceThreads perhaps?), etc)
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***/
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#pragma once
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namespace Aurora::Threading::Primitives
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{
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// Moved from ./AuConditionMutex.Unix.[c/h]pp
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// now ./_removed/AuConditionMutex.Unix.[c/h]pp.bak
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struct WoAConditionMutex final
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{
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WoAConditionMutex();
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~WoAConditionMutex();
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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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inline WoAConditionMutex *operator ->()
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{
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return this;
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}
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private:
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pthread_mutex_t value_;
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};
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struct WoAConditionVariable final
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{
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WoAConditionVariable();
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~WoAConditionVariable();
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bool WaitForSignalNsEx(WoAConditionMutex *pMutex,
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AuUInt64 qwTimeout,
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bool bSpin = true);
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void Signal();
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void Broadcast();
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inline WoAConditionVariable *operator ->()
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{
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return this;
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}
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private:
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friend struct WoAConditionMutex;
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pthread_cond_t pthreadCv_;
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};
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struct WoASemaphoreImpl final
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{
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WoASemaphoreImpl(AuUInt16 intialValue = 0);
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~WoASemaphoreImpl();
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bool HasOSHandle(AuMach &mach);
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bool HasLockImplementation();
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auline bool TryLockNoSpin();
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bool TryLock() override;
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bool LockMS(AuUInt64 timeout);
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bool LockNS(AuUInt64 timeout);
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void Lock();
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void Unlock(AuUInt16 count);
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void Unlock();
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inline WoASemaphoreImpl *operator ->()
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{
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return this;
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}
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private:
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AuInt32 value_ {};
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WoAConditionMutex mutex_;
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WoAConditionVariable cond_;
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};
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} |