+int relayd_data_pending(struct lttcomm_relayd_sock *sock, uint64_t stream_id,
+ uint64_t last_net_seq_num);
+int relayd_quiescent_control(struct lttcomm_relayd_sock *sock,
+ uint64_t metadata_stream_id);
+int relayd_begin_data_pending(struct lttcomm_relayd_sock *sock, uint64_t id);
+int relayd_end_data_pending(struct lttcomm_relayd_sock *sock, uint64_t id,
+ unsigned int *is_data_inflight);