add: if (signal_handler) exit(EXIT_FAILURE);
context: static void got_int(int z){  ncprint(NCPRINT_VERB1, _("Exiting."));#ifdef BETA_SIGHANDLER#warning "Using beta code for signal handling functions"  got_sigterm = TRUE;  debug_dv("_____ RECEIVED SIGINT _____");#else  printstats();  exit(EXIT_FAILURE);#endif}