int relayd_send_metadata(struct lttcomm_sock *sock, size_t len);
int relayd_send_data_hdr(struct lttcomm_sock *sock,
struct lttcomm_relayd_data_hdr *hdr, size_t size);
+int relayd_data_available(struct lttcomm_sock *sock, uint64_t stream_id,
+ uint64_t last_net_seq_num);
+int relayd_quiescent_control(struct lttcomm_sock *sock);
#endif /* _RELAYD_H */