typedef void (* connman_task_exit_t) (struct connman_task *task,
int exit_code, void *user_data);
-typedef void (* connman_task_notify_t) (struct connman_task *task,
+typedef DBusMessage * (* connman_task_notify_t) (struct connman_task *task,
DBusMessage *message, void *user_data);
struct connman_task *connman_task_create(const char *program);