res_pjsip_mwi.c

		return AST_MODULE_LOAD_DECLINE;
	}
	create_mwi_subscriptions();
	ast_sorcery_observer_add(ast_sip_get_sorcery(), "contact", &mwi_contact_observer);

	if (ast_test_flag(&ast_options, AST_OPT_FLAG_FULLY_BOOTED)) {
		ast_sip_push_task(NULL, send_initial_notify_all, NULL);
	} else {
		stasis_subscribe_pool(ast_manager_get_topic(), mwi_startup_event_cb, NULL);
	}

	return AST_MODULE_LOAD_SUCCESS;
}

static int unload_module(void)
{
	RAII_VAR(struct ao2_container *, mwi_subscriptions, ao2_global_obj_ref(unsolicited_mwi), ao2_cleanup);
	if (mwi_subscriptions) {
		ao2_callback(mwi_subscriptions, OBJ_UNLINK | OBJ_NODATA | OBJ_MULTIPLE, unsubscribe, NULL);
		ao2_global_obj_release(unsolicited_mwi);
		ast_sorcery_observer_remove(ast_sip_get_sorcery(), "contact", &mwi_contact_observer);
	}
	ast_sip_unregister_subscription_handler(&mwi_handler);
	return 0;
}

AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_LOAD_ORDER, "PJSIP MWI resource",
	.support_level = AST_MODULE_SUPPORT_CORE,
	.load = load_module,
	.unload = unload_module,
	.reload = reload,
	.load_pri = AST_MODPRI_CHANNEL_DEPEND,
);