112 lines
2.4 KiB
C++
112 lines
2.4 KiB
C++
/***
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Copyright (C) 2021 J Reece Wilson (a/k/a "Reece"). All rights reserved.
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File: Mutex.Unix.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 "Mutex.Generic.hpp"
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#if !defined(_AURUNTIME_GENERICMUTEX)
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#include "Mutex.Unix.hpp"
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#include <Source/Time/Time.hpp>
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namespace Aurora::Threading::Primitives
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{
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Mutex::Mutex()
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{
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auto status = pthread_mutex_init(&this->value_, nullptr) == 0;
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SysAssert(status, "Mutex init failed");
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}
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Mutex::~Mutex()
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{
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int status = pthread_mutex_destroy(&this->value_);
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RUNTIME_ASSERT_SHUTDOWN_SAFE(status == 0, "Mutex destruct failed, {} {}", status, errno);
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}
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bool Mutex::HasOSHandle(AuMach &mach)
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{
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mach = reinterpret_cast<AuMach>(&this->value_);
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return true;
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}
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bool Mutex::TryLock()
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{
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return pthread_mutex_trylock(&this->value_) == 0;
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}
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bool Mutex::HasLockImplementation()
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{
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return true;
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}
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void Mutex::Lock()
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{
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auto status = Lock(0);
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SysAssert(status, "Couldn't lock Mutex object");
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}
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bool Mutex::Lock(AuUInt64 timeout)
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{
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if (timeout == 0)
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{
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int ret {};
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do
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{
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if ((ret = pthread_mutex_lock(&this->value_)) == 0)
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{
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return true;
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}
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} while (ret == EINTR);
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SysPanic("mutex lock failed {}", ret);
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}
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else
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{
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struct timespec tspec;
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Time::ms2tsabs(&tspec, timeout);
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int ret {};
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do
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{
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ret = pthread_mutex_timedlock(&this->value_, &tspec);
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if (ret == 0)
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{
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return true;
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}
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if (ret == ETIMEDOUT)
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{
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return false;
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}
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} while (ret == EINTR);
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SysPanic("mutex timed lock failed {}", ret);
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return true;
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}
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}
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void Mutex::Unlock()
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{
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auto status = pthread_mutex_unlock(&this->value_) == 0;
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SysAssert(status, "Mutex release error");
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}
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AUKN_SYM IWaitable *MutexNew()
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{
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return _new Mutex();
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}
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AUKN_SYM void MutexRelease(IWaitable *waitable)
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{
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AuSafeDelete<Mutex *>(waitable);
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}
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}
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#endif |