svoid dm_onTopInput(final VF1<S> r) {
  final DynModule m = dm_current_mandatory();
  dm_ownResource(vmBus_onMessage('topInput, voidfunc(fS s) {
    m.enter();
    callF(r, s)
  }));
}

svoid dm_onTopInput(final Runnable r) {
  final DynModule m = dm_current_mandatory();
  dm_ownResource(vmBus_onMessage('topInput, voidfunc(fS s) {
    m.enter();
    callF(r)
  }));
}