avoiding livelock

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@16584 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/switch_ivr.c

@@ -1275,7 +1275,11 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_nomedia(const char *uuid, switch_medi
 				switch_channel_set_flag(other_channel, CF_RESET);
 				switch_channel_set_flag(other_channel, CF_REDIRECT);
 				switch_channel_set_state(other_channel, CS_PARK);
-				switch_channel_wait_for_state(other_channel, channel, CS_PARK);
+				if (switch_core_session_in_thread(session)) {
+					switch_yield(100000);
+				} else {
+					switch_channel_wait_for_state(other_channel, channel, CS_PARK);
+				}
 				switch_core_session_receive_message(other_session, &msg);
 				switch_channel_wait_for_flag(other_channel, CF_REQ_MEDIA, SWITCH_FALSE, 10000, NULL);
 				switch_channel_wait_for_flag(other_channel, CF_MEDIA_ACK, SWITCH_TRUE, 10000, NULL);
@@ -1299,7 +1303,11 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_nomedia(const char *uuid, switch_medi
 					switch_ivr_signal_bridge(session, other_session);
 				}
 
-				switch_channel_wait_for_state(other_channel, channel, CS_HIBERNATE);
+				if (switch_core_session_in_thread(session)) {
+                    switch_yield(100000);
+                } else {
+					switch_channel_wait_for_state(other_channel, channel, CS_HIBERNATE);
+				}
 
 				if (!switch_core_session_in_thread(session)) {
 					switch_channel_wait_for_state(channel, other_channel, CS_HIBERNATE);

src/switch_ivr_bridge.c

@@ -347,6 +347,7 @@ static void *audio_bridge_thread(switch_thread_t *thread, void *obj)
 			switch_ivr_nomedia(switch_core_session_get_uuid(session_a), SMF_REBRIDGE);
 			bypass_media_after_bridge = 0;
 			switch_channel_clear_flag(chan_a, CF_BYPASS_MEDIA_AFTER_BRIDGE);
+			goto end_of_bridge_loop;
 		}
 
 		/* if 1 channel has DTMF pass it to the other */