#ifdef HAVE_LIBLTTNG_UST_CTL
int lttng_ustconsumer_take_snapshot(struct lttng_consumer_stream *stream);
#ifdef HAVE_LIBLTTNG_UST_CTL
int lttng_ustconsumer_take_snapshot(struct lttng_consumer_stream *stream);
int lttng_ustconsumer_get_produced_snapshot(
struct lttng_consumer_stream *stream, unsigned long *pos);
int lttng_ustconsumer_get_produced_snapshot(
struct lttng_consumer_stream *stream, unsigned long *pos);
extern void lttng_ustconsumer_del_stream(struct lttng_consumer_stream *stream);
int lttng_ustconsumer_read_subbuffer(struct lttng_consumer_stream *stream,
extern void lttng_ustconsumer_del_stream(struct lttng_consumer_stream *stream);
int lttng_ustconsumer_read_subbuffer(struct lttng_consumer_stream *stream,
int lttng_ustconsumer_on_recv_stream(struct lttng_consumer_stream *stream);
void lttng_ustconsumer_on_stream_hangup(struct lttng_consumer_stream *stream);
int lttng_ustconsumer_on_recv_stream(struct lttng_consumer_stream *stream);
void lttng_ustconsumer_on_stream_hangup(struct lttng_consumer_stream *stream);
int lttng_ustctl_get_mmap_read_offset(struct lttng_consumer_stream *stream,
unsigned long *off);
void *lttng_ustctl_get_mmap_base(struct lttng_consumer_stream *stream);
int lttng_ustctl_get_mmap_read_offset(struct lttng_consumer_stream *stream,
unsigned long *off);
void *lttng_ustctl_get_mmap_base(struct lttng_consumer_stream *stream);
int lttng_ustconsumer_get_stream_id(struct lttng_consumer_stream *stream,
uint64_t *stream_id);
int lttng_ustconsumer_data_pending(struct lttng_consumer_stream *stream);
int lttng_ustconsumer_get_stream_id(struct lttng_consumer_stream *stream,
uint64_t *stream_id);
int lttng_ustconsumer_data_pending(struct lttng_consumer_stream *stream);
static inline
int lttng_ustconsumer_get_produced_snapshot(
struct lttng_consumer_stream *stream, unsigned long *pos)
static inline
int lttng_ustconsumer_get_produced_snapshot(
struct lttng_consumer_stream *stream, unsigned long *pos)
static inline
int lttng_ustconsumer_recv_cmd(struct lttng_consumer_local_data *ctx,
int sock, struct pollfd *consumer_sockpoll)
static inline
int lttng_ustconsumer_recv_cmd(struct lttng_consumer_local_data *ctx,
int sock, struct pollfd *consumer_sockpoll)