113         sd_event_source **signal_sources; /* indexed by signal number */  member
349         free(e->signal_sources);  in event_free()
617         if (e->signal_sources && e->signal_sources[sig])  in event_make_signal_data()
618                 priority = e->signal_sources[sig]->priority;  in event_make_signal_data()
731         if (e->signal_sources &&  in event_gc_signal_data()
732             e->signal_sources[sig] &&  in event_gc_signal_data()
733             event_source_is_online(e->signal_sources[sig]))  in event_gc_signal_data()
752         if (e->signal_sources && e->signal_sources[sig]) {  in event_gc_signal_data()
753                 d = hashmap_get(e->signal_data, &e->signal_sources[sig]->priority);  in event_gc_signal_data()
848                         if (s->event->signal_sources)  in source_disconnect()
849                                 s->event->signal_sources[s->signal.sig] = NULL;  in source_disconnect()
1344         if (!e->signal_sources) {  in sd_event_add_signal()
1345                 e->signal_sources = new0(sd_event_source*, _NSIG);  in sd_event_add_signal()
1346                 if (!e->signal_sources)  in sd_event_add_signal()
1348         } else if (e->signal_sources[sig])  in sd_event_add_signal()
1360         e->signal_sources[sig] = s;  in sd_event_add_signal()
3360                 if (e->signal_sources)  in process_signal()
3361                         s = e->signal_sources[si.ssi_signo];  in process_signal()