-static int _sr_session_source_add(GPollFD *pollfd, int timeout,
- sr_receive_data_callback cb, void *cb_data, gintptr poll_object)
+static int _sr_session_source_add(struct sr_session *session, GPollFD *pollfd,
+ int timeout, sr_receive_data_callback cb, void *cb_data, gintptr poll_object)