rem: return(0);
add: return 0;
context: static int eca_jack_bsize_cb(jack_nframes_t nframes, void *arg){  AUDIO_IO_JACK_MANAGER* current = static_cast<AUDIO_IO_JACK_MANAGER*>(arg);  ECA_LOG_MSG(ECA_LOGGER::user_objects, 	      "(audioio-jack-manager) [callback] " + current->jackname_rep + 	      ": setting buffersize to " + kvu_numtostr(nframes));  if (static_cast<long int>(nframes) != current->buffersize()) {    // FIXME: leads into a segfault...?    current->shutdown_request_rep = true;    ECA_LOG_MSG(ECA_LOGGER::info, 		"(audioio-jack-manager) Invalid new buffersize, shutting down.");  }  return(0);}