ZwTerminateThread

NTSTATUS __stdcall ZwTerminateThread(VOID *ThreadHandle, NTSTATUS ExitStatus){
  NTSTATUS result; 

  _disable();
  __readeflags();
  KiServiceInternal();
  return result;
}

Referenced by:

KiParkUmsThread
KiSwapToUmsThread
RtlAssert