Reece Wilson
72dc0d715e
[+] IOProcessor::WakeupThread [+] NT: Begin hacking in timeBeginPeriod (must spam it in some places) [+] ConsoleTTY (more specifically the win32 calls) are too slow to run on the mainthread. Delegate to worker. [*] AuTime.CurrentClockSteady [*] AuTime.CurrentClockSteadyMS [*] AuTime.CurrentClockSteadyNS
111 lines
2.8 KiB
C++
111 lines
2.8 KiB
C++
/***
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Copyright (C) 2021 J Reece Wilson (a/k/a "Reece"). All rights reserved.
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File: AuConditionVariable.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 "AuConditionVariable.Generic.hpp"
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#include <Source/Time/Time.hpp>
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#if !defined(_AURUNTIME_GENERICCV)
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namespace Aurora::Threading::Primitives
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{
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ConditionVariableImpl::ConditionVariableImpl(const AuSPtr<IConditionMutex> &mutex) : mutex_(std::dynamic_pointer_cast<IConditionMutexEx>(mutex))
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{
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pthread_condattr_t attr;
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::pthread_condattr_init(&attr);
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::pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
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auto ret = ::pthread_cond_init(&this->pthreadCv_, &attr);
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SysAssert(ret == 0, "Couldn't initialize CV");
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}
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ConditionVariableImpl::~ConditionVariableImpl()
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{
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::pthread_cond_destroy(&this->pthreadCv_);
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}
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AuSPtr<IConditionMutex> ConditionVariableImpl::GetMutex()
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{
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return this->mutex_;
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}
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bool ConditionVariableImpl::WaitForSignal(AuUInt32 timeout)
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{
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auto mutex = reinterpret_cast<pthread_mutex_t*>(this->mutex_->GetOSHandle());
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if (gRuntimeRunLevel >= 5)
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{
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return true;
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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_cond_wait(&this->pthreadCv_, mutex)) == 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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RUNTIME_ASSERT_SHUTDOWN_SAFE(false, "conditional wait failed: {}", ret)
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return false;
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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_cond_timedwait(&this->pthreadCv_, mutex, &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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RUNTIME_ASSERT_SHUTDOWN_SAFE(false, "conditional timed wait failed: {}", ret)
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return false;
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}
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}
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void ConditionVariableImpl::Signal()
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{
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auto ret = ::pthread_cond_signal(&this->pthreadCv_);
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SysAssert(ret == 0, "Couldn't wake any CV waiters");
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}
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void ConditionVariableImpl::Broadcast()
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{
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auto ret = ::pthread_cond_broadcast(&this->pthreadCv_);
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SysAssert(ret == 0, "Couldn't wake any CV waiters");
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}
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AUKN_SYM IConditionVariable *ConditionVariableNew(const AuSPtr<IConditionMutex> &mutex)
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{
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return _new ConditionVariableImpl(mutex);
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}
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AUKN_SYM void ConditionVariableRelease(IConditionVariable *mutex)
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{
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AuSafeDelete<ConditionVariableImpl *>(mutex);
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}
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}
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#endif |