hal: Add stubs for ExAcquireFastMutex and ExReleaseFastMutex.

dlls/hal/hal.c

@@ -54,6 +54,26 @@ WINE_DEFAULT_DEBUG_CHANNEL(ntoskrnl);
 
 
 #ifdef DEFINE_FASTCALL1_ENTRYPOINT
+DEFINE_FASTCALL1_ENTRYPOINT( ExAcquireFastMutex )
+VOID __regs_ExAcquireFastMutex(PFAST_MUTEX FastMutex)
+#else
+VOID ExAcquireFastMutex(PFAST_MUTEX FastMutex)
+#endif
+{
+    FIXME("%p: stub\n", FastMutex);
+}
+
+#ifdef DEFINE_FASTCALL1_ENTRYPOINT
+DEFINE_FASTCALL1_ENTRYPOINT( ExReleaseFastMutex )
+VOID __regs_ExReleaseFastMutex(PFAST_MUTEX FastMutex)
+#else
+VOID ExReleaseFastMutex(PFAST_MUTEX FastMutex)
+#endif
+{
+    FIXME("%p: stub\n", FastMutex);
+}
+
+#ifdef DEFINE_FASTCALL1_ENTRYPOINT
 DEFINE_FASTCALL1_ENTRYPOINT( KfAcquireSpinLock )
 KIRQL WINAPI __regs_KfAcquireSpinLock(PKSPIN_LOCK SpinLock)
 #else

dlls/hal/hal.spec

-@ stub ExAcquireFastMutex
-@ stub ExReleaseFastMutex
+@ stdcall -norelay ExAcquireFastMutex(ptr)
+@ stdcall -norelay ExReleaseFastMutex(ptr)
 @ stub ExTryToAcquireFastMutex
 @ stub HalClearSoftwareInterrupt
 @ stub HalRequestSoftwareInterrupt

include/ddk/wdm.h

@@ -132,6 +132,15 @@ typedef struct _IO_WORKITEM *PIO_WORKITEM;
 typedef struct _OBJECT_TYPE *POBJECT_TYPE;
 typedef struct _OBJECT_HANDLE_INFORMATION *POBJECT_HANDLE_INFORMATION;
 
+typedef struct _FAST_MUTEX
+{
+    LONG Count;
+    PKTHREAD Owner;
+    ULONG Contention;
+    KEVENT Gate;
+    ULONG OldIrql;
+} FAST_MUTEX, *PFAST_MUTEX;
+
 #define MAXIMUM_VOLUME_LABEL_LENGTH       (32 * sizeof(WCHAR))
 
 typedef struct _VPB {