From 9a38ac12a5328084361e438c9f2c3118678d8fc7 Mon Sep 17 00:00:00 2001
From: Ricardo Filipe <ricardo_barbano@hotmail.com>
Date: Tue, 9 Dec 2008 00:46:08 +0000
Subject: hal: add stub for ExAcquireFastMutex

---
 dlls/hal/hal.c    |   10 ++++++++++
 dlls/hal/hal.spec |    2 +-
 include/ddk/wdm.h |    9 +++++++++
 3 files changed, 20 insertions(+), 1 deletions(-)

diff --git a/dlls/hal/hal.c b/dlls/hal/hal.c
index 0b64809..2ae3125 100644
--- a/dlls/hal/hal.c
+++ b/dlls/hal/hal.c
@@ -106,3 +106,13 @@ ULONG WINAPI HalGetBusData(BUS_DATA_TYPE BusDataType, ULONG BusNumber, ULONG Slo
     /* Claim that there is no such bus */
     return 0;
 }
+
+/****************************************************************************
+ *		ExAcquireFastMutex (HAL.@)
+ *
+ */
+
+VOID ExAcquireFastMutex(PFAST_MUTEX FastMutex)
+{
+    FIXME("%p: stub\n", FastMutex);
+}
diff --git a/dlls/hal/hal.spec b/dlls/hal/hal.spec
index 5afbee0..6881f12 100644
--- a/dlls/hal/hal.spec
+++ b/dlls/hal/hal.spec
@@ -1,4 +1,4 @@
-@ stub ExAcquireFastMutex
+@ stdcall ExAcquireFastMutex(ptr)
 @ stub ExReleaseFastMutex
 @ stub ExTryToAcquireFastMutex
 @ stub HalClearSoftwareInterrupt
diff --git a/include/ddk/wdm.h b/include/ddk/wdm.h
index 3e4528b..aa79b3c 100644
--- a/include/ddk/wdm.h
+++ b/include/ddk/wdm.h
@@ -134,6 +134,15 @@ typedef struct _OBJECT_HANDLE_INFORMATION *POBJECT_HANDLE_INFORMATION;
 
 #define MAXIMUM_VOLUME_LABEL_LENGTH       (32 * sizeof(WCHAR))
 
+typedef struct _FAST_MUTEX
+{
+    LONG Count;
+    PKTHREAD Owner;
+    ULONG Contention;
+    KEVENT Gate;
+    ULONG OldIrql;
+} FAST_MUTEX, *PFAST_MUTEX;
+
 typedef struct _VPB {
   CSHORT  Type;
   CSHORT  Size;
-- 
1.5.6.3