Zebediah Figura : ntoskrnl.exe: Implement plain spinlock functions on top of DPC-level ones.
Alexandre Julliard
julliard at winehq.org
Mon Jan 28 16:17:01 CST 2019
Module: wine
Branch: master
Commit: 05f5cce6c8b8bf527f1c15ee0f87c27370b301eb
URL: https://source.winehq.org/git/wine.git/?a=commit;h=05f5cce6c8b8bf527f1c15ee0f87c27370b301eb
Author: Zebediah Figura <z.figura12 at gmail.com>
Date: Sun Jan 27 20:45:33 2019 -0600
ntoskrnl.exe: Implement plain spinlock functions on top of DPC-level ones.
Signed-off-by: Zebediah Figura <z.figura12 at gmail.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/ntoskrnl.exe/sync.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/dlls/ntoskrnl.exe/sync.c b/dlls/ntoskrnl.exe/sync.c
index 31a3ad7..2a4685c 100644
--- a/dlls/ntoskrnl.exe/sync.c
+++ b/dlls/ntoskrnl.exe/sync.c
@@ -421,7 +421,7 @@ void WINAPI KeReleaseSpinLockFromDpcLevel( KSPIN_LOCK *lock )
void WINAPI KeReleaseSpinLock( KSPIN_LOCK *lock, KIRQL irql )
{
TRACE("lock %p, irql %u.\n", lock, irql);
- InterlockedExchangePointer( (void **)lock, 0 );
+ KeReleaseSpinLockFromDpcLevel( lock );
}
/***********************************************************************
@@ -430,8 +430,7 @@ void WINAPI KeReleaseSpinLock( KSPIN_LOCK *lock, KIRQL irql )
KIRQL WINAPI KeAcquireSpinLockRaiseToDpc( KSPIN_LOCK *lock )
{
TRACE("lock %p.\n", lock);
- while (!InterlockedCompareExchangePointer( (void **)lock, (void *)1, (void *)0 ))
- small_pause();
+ KeAcquireSpinLockAtDpcLevel( lock );
return 0;
}
#endif
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