71 lines
1.4 KiB
C++
71 lines
1.4 KiB
C++
/***
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Copyright (C) 2021 J Reece Wilson (a/k/a "Reece"). All rights reserved.
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File: AuSemaphore.Generic.cpp
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Date: 2021-6-12
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Author: Reece
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***/
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#include <Source/RuntimeInternal.hpp>
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#include "AuSemaphore.Generic.hpp"
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#if defined(_AURUNTIME_GENERIC_SEMAPHORE)
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namespace Aurora::Threading::Primitives
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{
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Semaphore::Semaphore(long intialValue)
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{
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value_ = intialValue;
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}
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Semaphore::~Semaphore()
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{
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}
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bool Semaphore::HasOSHandle(AuMach &mach)
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{
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mach = reinterpret_cast<AuMach>(value_);
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return true;
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}
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bool Semaphore::HasLockImplementation()
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{
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return false;
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}
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bool Semaphore::TryLock()
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{
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auto old = value_.load(std::memory_order_relaxed);
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return old != 0 && value_.compare_exchange_strong(old, old - 1);
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}
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bool Semaphore::Lock(AuUInt64 timeout)
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{
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return WaitFor(this, timeout);
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}
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void Semaphore::Lock()
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{
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auto status = Lock(0);
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SysAssert(status, "Couldn't lock semaphore");
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}
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void Semaphore::Unlock(long count)
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{
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value_.fetch_add(count);
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}
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void Semaphore::Unlock()
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{
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return Unlock(1);
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}
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AUKN_SYM ISemaphore *SemaphoreNew(int initialCount)
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{
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return _new Semaphore(initialCount);
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}
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AUKN_SYM void SemaphoreRelease(ISemaphore *waitable)
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{
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AuSafeDelete<Semaphore *>(waitable);
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}
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}
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#endif |