ntoskrnl.exe: Implement IoReleaseCancelSpinLock().

dlls/hal/Makefile.in

 MODULE    = hal.dll
+IMPORTLIB = hal
 
 C_SRCS = \
 	hal.c

dlls/ntoskrnl.exe/Makefile.in

 MODULE    = ntoskrnl.exe
 IMPORTLIB = ntoskrnl
-IMPORTS   = advapi32
+IMPORTS   = advapi32 hal
 DELAYIMPORTS = setupapi user32
 
 C_SRCS = \

dlls/ntoskrnl.exe/ntoskrnl.c

@@ -785,16 +785,6 @@ void WINAPI IoAcquireCancelSpinLock(PKIRQL irql)
     FIXME("(%p): stub\n", irql);
 }
 
-
-/***********************************************************************
- *           IoReleaseCancelSpinLock  (NTOSKRNL.EXE.@)
- */
-void WINAPI IoReleaseCancelSpinLock(KIRQL irql)
-{
-    FIXME("(%u): stub\n", irql);
-}
-
-
 /***********************************************************************
  *           IoAllocateDriverObjectExtension  (NTOSKRNL.EXE.@)
  */

dlls/ntoskrnl.exe/sync.c

@@ -413,3 +413,14 @@ KIRQL WINAPI KeAcquireSpinLockRaiseToDpc( KSPIN_LOCK *lock )
     return 0;
 }
 #endif
+
+static KSPIN_LOCK cancel_lock;
+
+/***********************************************************************
+ *           IoReleaseCancelSpinLock  (NTOSKRNL.EXE.@)
+ */
+void WINAPI IoReleaseCancelSpinLock( KIRQL irql )
+{
+    TRACE("irql %u.\n", irql);
+    KeReleaseSpinLock( &cancel_lock, irql );
+}