gentoo-overlay/dev-libs/libevent/files/libevent-2.1.5-event_signals_ordering.patch

--- a/event.c
+++ b/event.c
@@ -926,13 +926,13 @@ event_reinit(struct event_base *base)
 		event_del_nolock_(&base->sig.ev_signal, EVENT_DEL_AUTOBLOCK);
 		event_debug_unassign(&base->sig.ev_signal);
 		memset(&base->sig.ev_signal, 0, sizeof(base->sig.ev_signal));
-		if (base->sig.ev_signal_pair[0] != -1)
-			EVUTIL_CLOSESOCKET(base->sig.ev_signal_pair[0]);
-		if (base->sig.ev_signal_pair[1] != -1)
-			EVUTIL_CLOSESOCKET(base->sig.ev_signal_pair[1]);
 		had_signal_added = 1;
 		base->sig.ev_signal_added = 0;
 	}
+    if (base->sig.ev_signal_pair[0] != -1)
+        EVUTIL_CLOSESOCKET(base->sig.ev_signal_pair[0]);
+    if (base->sig.ev_signal_pair[1] != -1)
+        EVUTIL_CLOSESOCKET(base->sig.ev_signal_pair[1]);
 	if (base->th_notify_fn != NULL) {
 		was_notifiable = 1;
 		base->th_notify_fn = NULL;
@@ -981,8 +981,12 @@ event_reinit(struct event_base *base)
 		if (evmap_reinit_(base) < 0)
 			res = -1;
 	} else {
-		if (had_signal_added)
 			res = evsig_init_(base);
+			if (res == 0 && had_signal_added) {
+				res = event_add_nolock_(&base->sig.ev_signal, NULL, 0);
+				if (res == 0)
+					base->sig.ev_signal_added = 1;
+			}
 	}
 
 	/* If we were notifiable before, and nothing just exploded, become