DBusConnection.addOnClosed

Emitted when the connection is closed.

The cause of this event can be

- If g_dbus_connection_close() is called. In this case @remote_peer_vanished is set to %FALSE and @error is %NULL.

- If the remote peer closes the connection. In this case @remote_peer_vanished is set to %TRUE and @error is set.

- If the remote peer sends invalid or malformed data. In this case @remote_peer_vanished is set to %FALSE and @error is set.

Upon receiving this signal, you should give up your reference to @connection. You are guaranteed that this signal is emitted only once.