fixed the prototype of KePulseEvent() and made NtPulseEvent() return the previous state

Modified: trunk/reactos/include/ddk/kefuncs.h
Modified: trunk/reactos/ntoskrnl/ex/event.c
Modified: trunk/reactos/ntoskrnl/ke/event.c
Modified: trunk/reactos/w32api/include/ddk/winddk.h

--- trunk/reactos/include/ddk/kefuncs.h	2005-01-22 12:20:12 UTC (rev 13208)
+++ trunk/reactos/include/ddk/kefuncs.h	2005-01-22 12:45:03 UTC (rev 13209)
@@ -218,9 +218,9 @@

 
 VOID STDCALL KeLowerIrql (KIRQL	NewIrql);
 

-NTSTATUS STDCALL KePulseEvent (PKEVENT		Event,
-			       KPRIORITY	Increment,
-			       BOOLEAN		Wait);

+LONG STDCALL KePulseEvent (PKEVENT		Event,
+			   KPRIORITY	Increment,
+			   BOOLEAN		Wait);

 
 LARGE_INTEGER
 STDCALL

--- trunk/reactos/ntoskrnl/ex/event.c	2005-01-22 12:20:12 UTC (rev 13208)
+++ trunk/reactos/ntoskrnl/ex/event.c	2005-01-22 12:45:03 UTC (rev 13209)
@@ -295,10 +295,21 @@

 				      NULL);
    if(NT_SUCCESS(Status))
    {

-     KePulseEvent(Event, EVENT_INCREMENT, FALSE);

+     LONG Prev = KePulseEvent(Event, EVENT_INCREMENT, FALSE);

      ObDereferenceObject(Event);
      

-     /* FIXME - Return the previous state! */

+     if(PreviousState != NULL)
+     {
+       _SEH_TRY
+       {
+         *PreviousState = Prev;
+       }
+       _SEH_HANDLE
+       {
+         Status = _SEH_GetExceptionCode();
+       }
+       _SEH_END;
+     }

    }
 
    return Status;

--- trunk/reactos/ntoskrnl/ke/event.c	2005-01-22 12:20:12 UTC (rev 13208)
+++ trunk/reactos/ntoskrnl/ke/event.c	2005-01-22 12:45:03 UTC (rev 13209)
@@ -108,16 +108,17 @@

 /*
  * @implemented
  */

-NTSTATUS STDCALL KePulseEvent (PKEVENT		Event,
-			       KPRIORITY	Increment,
-			       BOOLEAN		Wait)

+LONG STDCALL
+KePulseEvent (IN PKEVENT	Event,
+              IN KPRIORITY	Increment,
+              IN BOOLEAN	Wait)

 {
    KIRQL OldIrql;

-   int ret;

+   LONG Ret;

 
    DPRINT("KePulseEvent(Event %x, Wait %x)\n",Event,Wait);
    OldIrql = KeAcquireDispatcherDatabaseLock();

-   ret = InterlockedExchange(&Event->Header.SignalState,1);

+   Ret = InterlockedExchange(&Event->Header.SignalState,1);

    KiDispatcherObjectWake(&Event->Header, Increment);
    InterlockedExchange(&(Event->Header.SignalState),0);
 
@@ -132,7 +133,7 @@

       Thread->WaitIrql = OldIrql;
     }
 

-   return ((NTSTATUS)ret);

+   return Ret;

 }
 
 /*

--- trunk/reactos/w32api/include/ddk/winddk.h	2005-01-22 12:20:12 UTC (rev 13208)
+++ trunk/reactos/w32api/include/ddk/winddk.h	2005-01-22 12:45:03 UTC (rev 13209)
@@ -7607,7 +7607,7 @@

   VOID);
 
 NTOSAPI

-NTSTATUS

+LONG

 DDKAPI
 KePulseEvent(
   IN PRKEVENT  Event,