You can handle the TSTP signal to stop that. However, it still leaves ABRT on the table that can be with ctrl-4 and ctrl-\. For that you'd need to disable the

You can handle the TSTP signal to stop that. However, it still leaves ABRT on the table that can be with ctrl-4 and ctrl-\. For that you'd need to disable the binding e.g. with stty and then handle TSTOP the same way I suppose—or just put it in raw mode.