(PECL gupnp >= 0.1.0)
gupnp_service_freeze_notify — Freeze new notifications
$service
) : boolCauses new notifications to be queued up until gupnp_service_thaw_notify() is called.
service
A service identifier.
�ɹ�ʱ���� TRUE
�� ������ʧ��ʱ���� FALSE
��