[PATCH 4/6] ntoskrnl.exe: Implement KeResetEvent().

[Zebediah Figura]

Signed-off-by: Zebediah Figura <z.figura12 at gmail.com>
---
 dlls/ntoskrnl.exe/ntoskrnl.c | 10 ----------
 dlls/ntoskrnl.exe/sync.c     | 19 +++++++++++++++++++
 2 files changed, 19 insertions(+), 10 deletions(-)

diff --git a/dlls/ntoskrnl.exe/ntoskrnl.c b/dlls/ntoskrnl.exe/ntoskrnl.c
index 189f303d6a..e6ca5e9ace 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.c
+++ b/dlls/ntoskrnl.exe/ntoskrnl.c
@@ -2429,16 +2429,6 @@ ULONG WINAPI KeQueryTimeIncrement(void)
 }
 
 
-/***********************************************************************
- *           KeResetEvent   (NTOSKRNL.EXE.@)
- */
-LONG WINAPI KeResetEvent( PRKEVENT Event )
-{
-    FIXME("(%p): stub\n", Event);
-    return 0;
-}
-
-
 /***********************************************************************
  *           KeSetPriorityThread   (NTOSKRNL.EXE.@)
  */
diff --git a/dlls/ntoskrnl.exe/sync.c b/dlls/ntoskrnl.exe/sync.c
index 05d50ef648..f011a6009a 100644
--- a/dlls/ntoskrnl.exe/sync.c
+++ b/dlls/ntoskrnl.exe/sync.c
@@ -146,3 +146,22 @@ LONG WINAPI KeSetEvent( PRKEVENT event, KPRIORITY increment, BOOLEAN wait )
 
     return ret;
 }
+
+/***********************************************************************
+ *           KeResetEvent   (NTOSKRNL.EXE.@)
+ */
+LONG WINAPI KeResetEvent( PRKEVENT event )
+{
+    HANDLE handle = event->Header.WaitListHead.Blink;
+    LONG ret;
+
+    TRACE("event %p.\n", event);
+
+    EnterCriticalSection( &sync_cs );
+    ret = interlocked_xchg( &event->Header.SignalState, FALSE );
+    if (handle)
+        ResetEvent( handle );
+    LeaveCriticalSection( &sync_cs );
+
+    return ret;
+}
-- 
2.14.1