-struct shm_handle *ustctl_map_channel(struct lttng_ust_object_data *chan_data);
-int ustctl_add_stream(struct shm_handle *shm_handle,
+struct lttng_ust_shm_handle *ustctl_map_channel(struct lttng_ust_object_data *chan_data);
+int ustctl_add_stream(struct lttng_ust_shm_handle *lttng_ust_shm_handle,