ub_event_base_loopexit
if(ub_event_base_loopexit(b->eb->base) != 0) {
int ub_event_base_loopexit(struct ub_event_base*);
if(ub_event_base_loopexit((struct ub_event_base*)dtio->event_base)
if(ub_event_base_loopexit(info->base) != 0) {
ub_event_base_loopexit(sig_base);
ub_event_base_loopexit(data->base);
if(ub_event_base_loopexit(b->eb->base) != 0) {
int ub_event_base_loopexit(struct ub_event_base*);