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Make sure compiler doesn't optimize our wait loop away. Patch by Thomas Weidenmueller

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svn path=/trunk/; revision=20468
This commit is contained in:
Alex Ionescu
2005-12-30 20:31:11 +00:00
parent 920d3a2408
commit e8ce2b897c
1 changed files with 1 additions and 1 deletions
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reactos/ntoskrnl/ke/spinlock.c
+1 -1
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@@ -151,7 +151,7 @@ KiAcquireSpinLock(PKSPIN_LOCK SpinLock)
if (InterlockedBitTestAndSet((PLONG)SpinLock, 0))
{
/* Value changed... wait until it's locked */
while (*SpinLock == 1) YieldProcessor();
while (*(volatile KSPIN_LOCK *)SpinLock == 1) YieldProcessor();
}
else
{