allow netsock objects to be unref'd so they can disappear when needed (issue #5454)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@6913 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_iax2.c

@@ -8640,6 +8640,7 @@ static int set_config(char *config_file, int reload)
 					}
 					if (defaultsockfd < 0) 
 						defaultsockfd = ast_netsock_sockfd(ns);
+					ast_netsock_unref(ns);
 				}
 			}
 		} else if (!strcasecmp(v->name, "authdebug"))
@@ -9568,6 +9569,7 @@ int load_module(void)
 			if (option_verbose > 1)
 				ast_verbose(VERBOSE_PREFIX_2 "Binding IAX2 to default address 0.0.0.0:%d\n", IAX_DEFAULT_PORTNO);
 			defaultsockfd = ast_netsock_sockfd(ns);
+			ast_netsock_unref(ns);
 		}
 	}
 	

include/asterisk/netsock.h

@@ -59,6 +59,8 @@ const struct sockaddr_in *ast_netsock_boundaddr(const struct ast_netsock *ns);
 
 void *ast_netsock_data(const struct ast_netsock *ns);
 
+void ast_netsock_unref(struct ast_netsock *ns);
+
 #if defined(__cplusplus) || defined(c_plusplus)
 }
 #endif

netsock.c

@@ -214,3 +214,8 @@ void *ast_netsock_data(const struct ast_netsock *ns)
 {
 	return ns->data;
 }
+
+void ast_netsock_unref(struct ast_netsock *ns)
+{
+	ASTOBJ_UNREF(ns, ast_netsock_destroy);
+}