AuroraSupport/AuroraRuntime
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[*] 74dc6772 cont: improvements

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This commit is contained in:
Reece Wilson 2023-09-10 15:03:12 +01:00
parent c6c35a588c
commit b539cfb353
3 changed files with 83 additions and 2 deletions
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80
Source/Threading/Primitives/AuEvent.cpp
View File

@ -48,6 +48,8 @@ namespace Aurora::Threading::Primitives
if (gPreferFutexEvent)
{
auto pSleepCounter = GetSleepCounter();
while (!AtomicIsEventSetLogicNoSpinNoLock())
{
EventBits bits;
@ -55,7 +57,11 @@ namespace Aurora::Threading::Primitives
if (bits.bTriggered)
{
if (!InternalLTSWaitOnAddressHighRes(&this->state_, &bits.state, sizeof(bits.state), uEndTime))
AuAtomicAdd(pSleepCounter, 1u);
bool bStatus = InternalLTSWaitOnAddressHighRes(&this->state_, &bits.state, sizeof(bits.state), uEndTime);
AuAtomicSub(pSleepCounter, 1u);
if (!bStatus)
{
return false;
}
@ -95,6 +101,68 @@ namespace Aurora::Threading::Primitives
return true;
}
bool EventImpl::LockAbsNS(AuUInt64 uEndTime)
{
if (AtomicIsEventSetLogicNoSpinNoLock())
{
return true;
}
if (gPreferFutexEvent)
{
auto pSleepCounter = GetSleepCounter();
while (!AtomicIsEventSetLogicNoSpinNoLock())
{
EventBits bits;
bits.state = AuAtomicLoad(&this->state_);
if (bits.bTriggered)
{
AuAtomicAdd(pSleepCounter, 1u);
bool bStatus = InternalLTSWaitOnAddressHighRes(&this->state_, &bits.state, sizeof(bits.state), uEndTime);
AuAtomicSub(pSleepCounter, 1u);
if (!bStatus)
{
return false;
}
}
else
{
SMPPause();
}
}
}
else
{
AU_LOCK_GUARD(this->mutex_);
while (!AtomicIsEventSetLogicNoSpinNoLock())
{
AuUInt32 uTimeoutNS {};
if (uEndTime)
{
auto uStartTime = Time::SteadyClockNS();
if (uStartTime >= uEndTime)
{
return false;
}
uTimeoutNS = uEndTime - uStartTime;
}
if (!this->condition_.WaitForSignalNsEx(&this->mutex_, uTimeoutNS))
{
continue;
}
}
}
return true;
}
bool EventImpl::TryLock()
{
return AtomicIsEventSetLogicNoSpinNoLock();
@ -199,6 +267,11 @@ namespace Aurora::Threading::Primitives
{
if (gPreferFutexEvent)
{
if (!AuAtomicLoad(GetSleepCounter()))
{
return;
}
if (bits.bAtomicRelease)
{
InternalLTSWakeOne(&this->state_);
@ -246,6 +319,11 @@ namespace Aurora::Threading::Primitives
// Unlock is always a NOP; inverse of a lock/wait is nothing
}
AuUInt32 *EventImpl::GetSleepCounter()
{
return (AuUInt32 *)&this->condition_;
}
AUKN_SYM IEvent *EventNew(bool bTriggered, bool bAtomicRelease, bool bPermitMultipleTriggers)
{
auto event = _new EventImpl(bTriggered, bAtomicRelease, bPermitMultipleTriggers);

2
Source/Threading/Primitives/AuEvent.hpp
View File

@ -20,6 +20,7 @@ namespace Aurora::Threading::Primitives
bool Init();
bool LockMS(AuUInt64 timeout /*=0*/) override;
bool LockNS(AuUInt64 timeout /*=0*/) override;
bool LockAbsNS(AuUInt64 timeout /*=0*/) override;
bool TryLock() override;
void Reset() override;
void Set() override;
@ -28,6 +29,7 @@ namespace Aurora::Threading::Primitives
bool HasLockImplementation() override;
void Lock() override;
void Unlock() override;
auline AuUInt32 *GetSleepCounter();
private:
bool AtomicIsEventSetLogicNoSpinNoLock();

1
Source/Threading/Primitives/SMTYield.cpp
View File

@ -62,6 +62,7 @@ namespace Aurora::Threading
ThreadingConfig cpy(*pUpdateConfig);
cpy.bPreferFutexRWLock = Primitives::ThrdCfg::gPreferFutexRWLock;
cpy.bPreferFutexEvent = Primitives::ThrdCfg::gPreferFutexEvent;
cpy.bPreferEmulatedWakeOnAddress = Primitives::ThrdCfg::gPreferEmulatedWakeOnAddress;
gRuntimeConfig.threadingConfig = decltype(gRuntimeConfig.threadingConfig)(cpy);