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revert my changes to RtlTryEnterCriticalSection()

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svn path=/trunk/; revision=13643
This commit is contained in:
Thomas Bluemel 2005-02-19 14:30:32 +00:00
parent f66a4cec4d
commit 879f12f1f8
1 changed files with 11 additions and 11 deletions
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22
reactos/lib/ntdll/rtl/critical.c
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@ -360,29 +360,29 @@ RtlLeaveCriticalSection(
* None
*
*--*/
BOOLEAN
BOOLEAN
STDCALL
RtlTryEnterCriticalSection(
PRTL_CRITICAL_SECTION CriticalSection)
{
{
/* Try to take control */
if (InterlockedCompareExchange(&CriticalSection->LockCount, 0, -1) == -1) {
if (InterlockedCompareExchange(&CriticalSection->LockCount,
0,
-1) == -1) {
/* It's ours. Changing this information does not have to be serialized
because we just obtained the lock. */
/* It's ours */
CriticalSection->OwningThread = NtCurrentTeb()->Cid.UniqueThread;
CriticalSection->RecursionCount = 1;
return TRUE;
} else if (CriticalSection->OwningThread == NtCurrentTeb()->Cid.UniqueThread) {
/* It's already ours, just increment the recursion counter. This doesn't
have to be serialized because only the thread who already holds the
lock can do this. */
/* It's already ours */
InterlockedIncrement(&CriticalSection->LockCount);
CriticalSection->RecursionCount++;
return TRUE;
}
/* It's not ours */
return FALSE;
}