--- trunk/reactos/ntoskrnl/cc/ccmutex.c 2005-11-19 22:13:35 UTC (rev 19352)
+++ trunk/reactos/ntoskrnl/cc/ccmutex.c 2005-11-19 22:32:09 UTC (rev 19353)
@@ -1,89 +0,0 @@
-/*
- * COPYRIGHT: See COPYING in the top level directory
- * PROJECT: ReactOS kernel
- * FILE: ntoskrnl/cc/ccmutex.c
- * PURPOSE: Implements the Broken Mutex Implementation for the broken Cc
- * PROGRAMMERS: Alex Ionescu (alex@relsoft.net)
- */
-
-/* INCLUDES *****************************************************************/
-
-#include <ntoskrnl.h>
-#include <internal/debug.h>
-
-/* FUNCTIONS *****************************************************************/
-
-VOID
-FASTCALL
-CcAcquireBrokenMutexUnsafe(PFAST_MUTEX FastMutex)
-{
- ASSERT(KeGetCurrentThread() == NULL ||
- FastMutex->Owner != KeGetCurrentThread());
- ASSERT(KeGetCurrentIrql() == APC_LEVEL ||
- KeGetCurrentThread() == NULL ||
- KeGetCurrentThread()->KernelApcDisable);
-
- InterlockedIncrementUL(&FastMutex->Contention);
- while (InterlockedExchange(&FastMutex->Count, 0) == 0)
- {
- KeWaitForSingleObject(&FastMutex->Gate,
- Executive,
- KernelMode,
- FALSE,
- NULL);
- }
- InterlockedDecrementUL(&FastMutex->Contention);
- FastMutex->Owner = KeGetCurrentThread();
-}
-
-VOID
-FASTCALL
-CcReleaseBrokenMutexUnsafe(PFAST_MUTEX FastMutex)
-{
- ASSERT(KeGetCurrentThread() == NULL ||
- FastMutex->Owner == KeGetCurrentThread());
- ASSERT(KeGetCurrentIrql() == APC_LEVEL ||
- KeGetCurrentThread() == NULL ||
- KeGetCurrentThread()->KernelApcDisable);
-
- FastMutex->Owner = NULL;
- InterlockedExchange(&FastMutex->Count, 1);
- if (FastMutex->Contention > 0)
- {
- KeSetEvent(&FastMutex->Gate, 0, FALSE);
- }
-}
-
-VOID
-FASTCALL
-CcAcquireBrokenMutex(PFAST_MUTEX FastMutex)
-{
- KeEnterCriticalRegion();
- CcAcquireBrokenMutexUnsafe(FastMutex);
-}
-
-
-VOID
-FASTCALL
-CcReleaseBrokenMutex(PFAST_MUTEX FastMutex)
-{
- CcReleaseBrokenMutexUnsafe(FastMutex);
- KeLeaveCriticalRegion();
-}
-
-BOOLEAN
-FASTCALL
-CcTryToAcquireBrokenMutex(PFAST_MUTEX FastMutex)
-{
- KeEnterCriticalRegion();
- if (InterlockedExchange(&FastMutex->Count, 0) == 1)
- {
- FastMutex->Owner = KeGetCurrentThread();
- return(TRUE);
- }
- else
- {
- KeLeaveCriticalRegion();
- return(FALSE);
- }
-}