AuroraSupport/AuroraRuntime
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[*] ...and same applies to RWLock

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(instead its pls dont use the public api instead of the internal NT apis)
This commit is contained in:
Reece Wilson 2023-09-09 12:39:47 +01:00
parent 9601fcfd39
commit 109b0cff3f
3 changed files with 22 additions and 12 deletions
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9
Source/Threading/AuWakeInternal.hpp
View File

@ -11,7 +11,7 @@
namespace Aurora::Threading
{
// Buttered up native high-res wait for change API:
bool InternalLTSWaitOnAddressHighRes(void *pTargetAddress,
bool InternalLTSWaitOnAddressHighRes(const void *pTargetAddress,
const void *pCompareAddress,
AuUInt8 uWordSize,
AuUInt64 qwNanosecondsAbs);
@ -22,14 +22,17 @@ namespace Aurora::Threading
// ...cont
void InternalLTSWakeOne(const void *pTargetAddress);
// ...cont
void InternalLTSWakeCount(const void *pTargetAddress, AuUInt32 uCount);
// extra wrapping for use with primitives when expecting less scheduler indirection
// (its good to avoid the emulation layer in the slow paths of high level primitives)
static bool InternalLTSWaitOnAddressHighRes(volatile void *pTargetAddress,
static bool InternalLTSWaitOnAddressHighRes(volatile const void *pTargetAddress,
const void *pCompareAddress,
AuUInt8 uWordSize,
AuUInt64 qwNanosecondsAbs)
{
return InternalLTSWaitOnAddressHighRes((void *)pTargetAddress, pCompareAddress, uWordSize, qwNanosecondsAbs);
return InternalLTSWaitOnAddressHighRes((const void *)pTargetAddress, pCompareAddress, uWordSize, qwNanosecondsAbs);
}
}

8
Source/Threading/AuWakeOnAddress.cpp
View File

@ -768,7 +768,7 @@ namespace Aurora::Threading
// it does work on Linux and Windows 8+
// it does not, however, work on emulated platforms
// this is intentional
bool InternalLTSWaitOnAddressHighRes(void *pTargetAddress,
bool InternalLTSWaitOnAddressHighRes(const void *pTargetAddress,
const void *pCompareAddress,
AuUInt8 uWordSize,
AuUInt64 qwNanosecondsAbs)
@ -807,6 +807,12 @@ namespace Aurora::Threading
RunOSWakeNOnAddress(pWakeAddress, uDelta ? INT_MAX : 1);
}
void InternalLTSWakeCount(const void *pTargetAddress, AuUInt32 uCount)
{
auto [pWakeAddress, uDelta, uMask] = DecodeAddress(pTargetAddress, 1);
RunOSWakeNOnAddress(pWakeAddress, uDelta ? INT_MAX : uCount);
}
AUKN_SYM bool WaitOnAddress(const void *pTargetAddress,
const void *pCompareAddress,
AuUInt8 uWordSize,

17
Source/Threading/Primitives/AuRWLock.cpp
View File

@ -9,6 +9,7 @@
//#define RWLOCK_VIEW_HAS_PARENT
#include "AuRWLock.hpp"
#include "SMTYield.hpp"
#include "../AuWakeInternal.hpp"
namespace Aurora::Threading::Primitives
{
@ -166,7 +167,7 @@ namespace Aurora::Threading::Primitives
{
if (gUseFutexRWLock)
{
if (!WaitOnAddressSteady((const void *)&this->state_, &iCurState, sizeof(iCurState), uTimeout))
if (!InternalLTSWaitOnAddressHighRes((const void *)&this->state_, &iCurState, sizeof(iCurState), uTimeout))
{
return false;
}
@ -232,7 +233,7 @@ namespace Aurora::Threading::Primitives
{
if (gUseFutexRWLock)
{
if (!WaitOnAddressSteady((const void *)&this->state_, &iCurState, sizeof(iCurState), uEndTime))
if (!InternalLTSWaitOnAddressHighRes((const void *)&this->state_, &iCurState, sizeof(iCurState), uEndTime))
{
return false;
}
@ -424,7 +425,7 @@ namespace Aurora::Threading::Primitives
while ((iCurState = AuAtomicLoad(&this->state_)) != 0)
{
static const AuUInt32 kExpect { 0 };
if (!WaitOnAddressSteady(pSemaphore, &kExpect, sizeof(kExpect), qwTimeoutNS))
if (!InternalLTSWaitOnAddressHighRes(pSemaphore, &kExpect, sizeof(kExpect), qwTimeoutNS))
{
break;
}
@ -503,7 +504,7 @@ namespace Aurora::Threading::Primitives
{
if (gUseFutexRWLock)
{
WakeOnAddress((const void *)&this->state_);
InternalLTSWakeOne((const void *)&this->state_);
}
else
{
@ -518,7 +519,7 @@ namespace Aurora::Threading::Primitives
{
auto pThat = this->GetFutexConditionWriter();
AuAtomicAdd(pThat, 1u);
WakeOnAddress(pThat);
InternalLTSWakeOne(pThat);
}
else
{
@ -531,7 +532,7 @@ namespace Aurora::Threading::Primitives
{
if (gUseFutexRWLock)
{
WakeAllOnAddress((const void *)&this->state_);
InternalLTSWakeAll((const void *)&this->state_);
}
else
{
@ -547,7 +548,7 @@ namespace Aurora::Threading::Primitives
auto pThat = this->GetFutexConditionWriter();
AuUInt32 uCount = AuAtomicLoad(&this->writersPending_);
AuAtomicAdd(pThat, uCount);
WakeNOnAddress(pThat, uCount);
InternalLTSWakeCount(pThat, uCount);
}
else
{
@ -843,7 +844,7 @@ namespace Aurora::Threading::Primitives
}
else
{
bStatus = WaitOnAddressSteady(pSemaphore, &kExpect, sizeof(kExpect), uEndTime);
bStatus = InternalLTSWaitOnAddressHighRes(pSemaphore, &kExpect, sizeof(kExpect), uEndTime);
}
AuAtomicSub(&this->writersPending_, 1);