AuroraSupport/AuroraRuntime
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[*] RWLock: revert this branch to checking for 0 and 1 remaining readers

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This commit is contained in:
Reece Wilson 2023-08-21 16:06:00 +01:00
parent e2909ebe74
commit 681c4b9158
1 changed files with 9 additions and 2 deletions
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11
Source/Threading/Primitives/AuRWLock.cpp
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@ -241,7 +241,7 @@ namespace Aurora::Threading::Primitives
template<bool bIsWriteRecursionAllowed> template<bool bIsWriteRecursionAllowed>
bool RWLockImpl<bIsWriteRecursionAllowed>::LockWriteNSAbs(AuUInt64 uTimeout) bool RWLockImpl<bIsWriteRecursionAllowed>::LockWriteNSAbs(AuUInt64 uTimeout)
{ {
if constexpr (!bIsWriteRecursionAllowed) if constexpr (!bIsWriteRecursionAllowed)
{ {
if (TryLockWrite()) if (TryLockWrite())
{ {
@ -475,7 +475,13 @@ namespace Aurora::Threading::Primitives
uVal = AuAtomicSub(&this->state_, 1); uVal = AuAtomicSub(&this->state_, 1);
if (uVal == 0) bool bAlt {};
if constexpr (bIsWriteRecursionAllowed)
{
bAlt = uVal == 1;
}
if (uVal == 0 || bAlt)
{ {
bool bElevation {}; bool bElevation {};
@ -629,6 +635,7 @@ namespace Aurora::Threading::Primitives
{ {
return &this->read_; return &this->read_;
} }
template<bool bIsWriteRecursionAllowed> template<bool bIsWriteRecursionAllowed>
IWaitable *RWLockImpl<bIsWriteRecursionAllowed>::AsWritable() IWaitable *RWLockImpl<bIsWriteRecursionAllowed>::AsWritable()
{ {