add: err_list_push();
context: static void check_timeout(void){	extern int am_server, am_daemon;	time_t t;		if (!io_timeout) return;	if (!last_io) {		last_io = time(NULL);		return;	}	t = time(NULL);	if (last_io && io_timeout && (t-last_io) >= io_timeout) {		if (!am_server && !am_daemon) {			rprintf(FERROR,"io timeout after %d seconds - exiting\n", 				(int)(t-last_io));		}		exit_cleanup(RERR_TIMEOUT);	}}