Not having this epoll specific code in wait_for_answer was causing app_queue to infinitely loop.

This makes it so it doesn't. Thanks to file for pointing out where the problem was and showing
a similar function in app_dial as an example of how to fix it.



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@81632 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_queue.c

@@ -2042,8 +2042,15 @@ static struct callattempt *wait_for_answer(struct queue_ent *qe, struct callatte
 	char membername[80] = "";
 	long starttime = 0;
 	long endtime = 0;
+#ifdef HAVE_EPOLL
+	struct callattempt *epollo;
+#endif
 
 	starttime = (long) time(NULL);
+#ifdef HAVE_EPOLL
+	for (epollo = outgoing; epollo; epollo = epollo->q_next)
+		ast_poll_channel_add(in, epollo->chan);
+#endif
 	
 	while (*to && !peer) {
 		int numlines, retry, pos = 1;
@@ -2248,6 +2255,11 @@ static struct callattempt *wait_for_answer(struct queue_ent *qe, struct callatte
 			rna(orig, qe, on, membername);
 	}
 
+#ifdef HAVE_EPOLL
+	for(epollo = outgoing; epollo; epollo = epollo->q_next)
+		ast_poll_channel_del(in, epollo->chan);
+#endif
+
 	return peer;
 }