ExpCheckForFreedEnhancedTimer

CHAR __fastcall ExpCheckForFreedEnhancedTimer(UINT64 P1){
  CHAR result; 
  result = ExpTimerFreedCookie;
  if( *(_BYTE *)(P1 + 152) != ExpTimerFreedCookie )
    KeBugCheckEx(0xC6u, P1, 1ui64, *((char *)KeGetCurrentThread() + 562), 0i64);
  return result;
}

Referenced by:

ExCancelTimer
ExDeleteTimer
ExSetTimer