Add an event_base_loopcontinue() to tell libevent to rescan right away

event.c

@@ -1619,6 +1619,25 @@ event_base_loopbreak(struct event_base *event_base)
 	return r;
 }
 
+int
+event_base_loopcontinue(struct event_base *event_base)
+{
+	int r = 0;
+	if (event_base == NULL)
+		return (-1);
+
+	EVBASE_ACQUIRE_LOCK(event_base, th_base_lock);
+	event_base->event_continue = 1;
+
+	if (EVBASE_NEED_NOTIFY(event_base)) {
+		r = evthread_notify_base(event_base);
+	} else {
+		r = (0);
+	}
+	EVBASE_RELEASE_LOCK(event_base, th_base_lock);
+	return r;
+}
+
 int
 event_base_got_break(struct event_base *event_base)
 {

include/event2/event.h

@@ -754,6 +754,25 @@ int event_base_loopexit(struct event_base *, const struct timeval *);
  */
 int event_base_loopbreak(struct event_base *);
 
+/**
+  Tell the active event_base_loop() to scan for new events immediately.
+
+  Calling this function makes the currently active event_base_loop()
+  start the loop over again (scanning for new events) after the current
+  event callback finishes.  If the event loop is not running, this
+  function has no effect.
+
+  event_base_loopbreak() is typically invoked from this event's callback.
+  This behavior is analogous to the "continue;" statement.
+
+  Subsequent invocations of event loop will proceed normally.
+
+  @param eb the event_base structure returned by event_init()
+  @return 0 if successful, or -1 if an error occurred
+  @see event_base_loopbreak()
+ */
+int event_base_loopcontinue(struct event_base *);
+
 /**
   Checks if the event loop was told to exit by event_loopexit().