AuroraSupport/AuroraRuntime
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[*] sched: minor clean up

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This commit is contained in:
Reece Wilson 2023-06-11 17:52:50 +01:00
parent 573031cd96
commit 5b495f7fd9
2 changed files with 3 additions and 27 deletions
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3
Source/Threading/AuWakeOnAddress.cpp
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@ -497,6 +497,7 @@ namespace Aurora::Threading
#endif
auto uCurrent = *(AuUInt32 *)pCompareAddress;
auto expect = WaitBuffer::From(pCompareAddress, uWordSize);
do
{
@ -519,7 +520,7 @@ namespace Aurora::Threading
}
while (ret == EINTR);
return true;
return !expect.Compare(pTargetAddress);
#endif
return false;

27
Source/Threading/Primitives/AuConditionVariable.NT.cpp
View File

@ -16,9 +16,6 @@
#define NTSTATUS_TIMEOUT 0x102
#endif
// TODO: benchmark
#define AUBUILD_REMOVE_PREHOG
namespace Aurora::Threading::Primitives
{
ConditionVariableImpl::ConditionVariableImpl(const AuSPtr<IConditionMutex> &pMutex) :
@ -59,7 +56,7 @@ namespace Aurora::Threading::Primitives
if (qwTimeout)
{
#if !defined(AU_TRUST_NT_KERNEL_SCHED_TIMEOUT)
#if defined(AU_TRUST_NT_KERNEL_SCHED_TIMEOUT)
auto uEndTimeSteady = AuTime::SteadyClockNS() + qwTimeout;
#endif
auto uEndTimeWall = AuTime::CurrentClockNS() + qwTimeout;
@ -87,18 +84,6 @@ namespace Aurora::Threading::Primitives
this->mutex_->Unlock();
#if !defined(AUBUILD_REMOVE_PREHOG)
// forced smt stall
// see the "hopefully nt is smart enough" comment
// the idea is to prevent windows from taking away our time-slice in a preemptive manor
// if the keyed event semaphore is ready, perhaps we can avoid switching to a different process entirely
if (!bIOU)
{
bool b = true;
bIOU = CheckOut(b);
}
#endif
bRet = pNtWaitForKeyedEvent(gKeyedEventHandle, &this->wlist, 0, &word) != NTSTATUS_TIMEOUT;
this->mutex_->Lock();
@ -184,16 +169,6 @@ namespace Aurora::Threading::Primitives
this->mutex_->Unlock();
#if !defined(AUBUILD_REMOVE_PREHOG)
// forced smp stall
if (!bIOU)
{
bool b = true;
bIOU = CheckOut(b);
}
#endif
// then into the kernel no matter what (hopefully nt is smart enough to have a fast path)
pNtWaitForKeyedEvent(gKeyedEventHandle, &this->wlist, 0, nullptr);
this->mutex_->Lock();