int metadata_flag,
int *alloc_ret);
extern int consumer_add_stream(struct lttng_consumer_stream *stream);
-extern void consumer_del_stream(struct lttng_consumer_stream *stream);
+extern void consumer_del_stream(struct lttng_consumer_stream *stream,
+ struct lttng_ht *ht);
+extern void consumer_del_metadata_stream(struct lttng_consumer_stream *stream,
+ struct lttng_ht *ht);
extern void consumer_change_stream_state(int stream_key,
enum lttng_consumer_stream_state state);
extern void consumer_del_channel(struct lttng_consumer_channel *channel);