[NTOSKRNL]

[reactos.git] / ntoskrnl / ke / clock.c

diff --git a/ntoskrnl/ke/clock.c b/ntoskrnl/ke/clock.c
index 9d75215..a9d0c10 100644 (file)
--- a/ntoskrnl/ke/clock.c
+++ b/ntoskrnl/ke/clock.c
@@ -175,6 +175,7 @@ KeQueryTickCount(IN PLARGE_INTEGER TickCount)
     }
 }
 
+#ifndef _M_AMD64
 /*
  * @implemented
  */
@@ -217,6 +218,7 @@ KeQueryInterruptTime(VOID)
     /* Return the time value */
     return CurrentTime.QuadPart;
 }
+#endif
 
 /*
  * @implemented
@@ -250,8 +252,26 @@ NtSetTimerResolution(IN ULONG DesiredResolution,
                      IN BOOLEAN SetResolution,
                      OUT PULONG CurrentResolution)
 {
-    UNIMPLEMENTED;
-    return STATUS_NOT_IMPLEMENTED;
+    ULONG NewResolution;
+
+    /* Call the internal API */
+    NewResolution = ExSetTimerResolution(DesiredResolution, SetResolution);
+
+    /* Return the resolution to the caller */
+    _SEH2_TRY
+    {
+        ProbeForWriteUlong(CurrentResolution);
+        *CurrentResolution = NewResolution;
+    }
+    _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
+    {
+        _SEH2_YIELD(return _SEH2_GetExceptionCode());
+    }
+    _SEH2_END;
+    
+    /* Return success if we set the resolution */
+    if (SetResolution) return STATUS_SUCCESS;
+    else return STATUS_TIMER_RESOLUTION_NOT_SET;
 }
 
 /* EOF */