Merged revisions 369709 via svnmerge from

file:///srv/subversion/repos/asterisk/branches/10

................
  r369709 | mmichelson | 2012-07-06 10:23:28 -0500 (Fri, 06 Jul 2012) | 14 lines
  
  Fix bridging thread leak.
  
  The bridge thread was exiting but was never being
  reaped using pthread_join(). This has been fixed now
  by calling pthread_join() in ast_bridge_destroy().
  
  (closes issue ASTERISK-19834)
  Reported by Marcus Hunger
  
  Review: https://reviewboard.asterisk.org/r/2012
  ........
  
  Merged revisions 369708 from http://svn.asterisk.org/svn/asterisk/branches/1.8
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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/10-digiumphones@369725 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/bridging.c

@@ -238,9 +238,6 @@ static void bridge_check_dissolve(struct ast_bridge *bridge, struct ast_bridge_c
 		}
 	}
 
-	/* Since all the channels are going away let's go ahead and stop our on thread */
-	bridge->stop = 1;
-
 	return;
 }
 
@@ -540,9 +537,14 @@ int ast_bridge_destroy(struct ast_bridge *bridge)
 
 	ao2_lock(bridge);
 
-	bridge->stop = 1;
-
-	bridge_poke(bridge);
+	if (bridge->thread != AST_PTHREADT_NULL) {
+		pthread_t thread = bridge->thread;
+		bridge->stop = 1;
+		bridge_poke(bridge);
+		ao2_unlock(bridge);
+		pthread_join(thread, NULL);
+		ao2_lock(bridge);
+	}
 
 	ast_debug(1, "Telling all channels in bridge %p to end and leave the party\n", bridge);