NtSetEvent

NTSTATUS __stdcall NtSetEvent(VOID *EventHandle, INT64 *PreviousState){
  char PreviousMode; 
  __int64 v5; 
  NTSTATUS v6; 
  int v7; 
  _KEVENT *v8; 
  int v9; 
  PVOID v11; 
  PVOID v12; 
  INT64 v13; 
  PVOID Object; 

  LODWORD(v13) = 0;
  PreviousMode = KeGetCurrentThread()->PreviousMode;
  if( PreviousState && PreviousMode )
  {
    v5 = (__int64)PreviousState;
    if( (unsigned __int64)PreviousState >= 0x7FFFFFFF0000i64 )
      v5 = 0x7FFFFFFF0000i64;
    *(_DWORD *)v5 = *(_DWORD *)v5;
  }
  Object = 0i64;
  v6 = ObReferenceObjectByHandle(EventHandle, 2ui64, (_OBJECT_TYPE *)ExEventObjectType, PreviousMode, &Object, 0i64);
  v7 = v6;
  v8 = (_KEVENT *)Object;
  v12 = Object;
  LODWORD(Object) = v6;
  if( v6 < 0 )
  {
    if( v6 == -1073741788 )
    {
      if( *(&WheapDeferredInternalLogsEventLock + 55) )
      {
        v11 = 0i64;
        v7 = ObReferenceObjectByHandle(
               EventHandle,
               2ui64,
               *(&WheapDeferredInternalLogsEventLock + 55),
               PreviousMode,
               &v11,
               0i64);
        v8 = (_KEVENT *)v11;
        v12 = v11;
        LODWORD(Object) = v7;
        if( v7 >= 0 )
        {
          v7 = ExpSetCrossVmEvent((INT64)v11, (INT64)&v13);
          LODWORD(Object) = v7;
        }
      }
    }
    v9 = v13;
  }
  else
  {
    v9 = KeSetEvent(v8, 1, 0);
    LODWORD(v13) = v9;
  }
  if( v7 >= 0 && PreviousState )
    *(_DWORD *)PreviousState = v9;
  if( v8 )
    HalPutDmaAdapter((PADAPTER_OBJECT)v8);
  return v7;
}

Referenced by: