Implement consumer ring buffer position sampling

[lttng-tools.git] / src / common / ust-consumer / ust-consumer.h

diff --git a/src/common/ust-consumer/ust-consumer.h b/src/common/ust-consumer/ust-consumer.h
index f933e90dc9ce689b8ba0560cac8b2fd0b7ccfab7..b5ff161864255a58278c3c8ecf1da1d223f0994c 100644 (file)
--- a/src/common/ust-consumer/ust-consumer.h
+++ b/src/common/ust-consumer/ust-consumer.h
@@ -26,6 +26,8 @@
 #ifdef HAVE_LIBLTTNG_UST_CTL
 
 int lttng_ustconsumer_take_snapshot(struct lttng_consumer_stream *stream);
+int lttng_ustconsumer_sample_snapshot_positions(
+               struct lttng_consumer_stream *stream);
 
 int lttng_ustconsumer_get_produced_snapshot(
                struct lttng_consumer_stream *stream, unsigned long *pos);
@@ -57,8 +59,8 @@ void lttng_ustconsumer_close_all_metadata(struct lttng_ht *ht);
 void lttng_ustconsumer_close_metadata(struct lttng_consumer_channel *metadata);
 void lttng_ustconsumer_close_stream_wakeup(struct lttng_consumer_stream *stream);
 int lttng_ustconsumer_recv_metadata(int sock, uint64_t key, uint64_t offset,
-               uint64_t len, struct lttng_consumer_channel *channel,
-               int timer, int wait);
+               uint64_t len, uint64_t version,
+               struct lttng_consumer_channel *channel, int timer, int wait);
 int lttng_ustconsumer_request_metadata(struct lttng_consumer_local_data *ctx,
                struct lttng_consumer_channel *channel, int timer, int wait);
 int lttng_ustconsumer_sync_metadata(struct lttng_consumer_local_data *ctx,
@@ -96,6 +98,13 @@ int lttng_ustconsumer_take_snapshot(struct lttng_consumer_stream *stream)
        return -ENOSYS;
 }
 
+static inline
+int lttng_ustconsumer_sample_snapshot_positions(
+               struct lttng_consumer_stream *stream)
+{
+       return -ENOSYS;
+}
+
 static inline
 int lttng_ustconsumer_get_produced_snapshot(
                struct lttng_consumer_stream *stream, unsigned long *pos)
@@ -103,6 +112,13 @@ int lttng_ustconsumer_get_produced_snapshot(
        return -ENOSYS;
 }
 
+static inline
+int lttng_ustconsumer_get_consumed_snapshot(
+               struct lttng_consumer_stream *stream, unsigned long *pos)
+{
+       return -ENOSYS;
+}
+
 static inline
 int lttng_ustconsumer_recv_cmd(struct lttng_consumer_local_data *ctx,
                int sock, struct pollfd *consumer_sockpoll)
@@ -185,8 +201,8 @@ void lttng_ustconsumer_close_stream_wakeup(struct lttng_consumer_stream *stream)
 }
 static inline
 int lttng_ustconsumer_recv_metadata(int sock, uint64_t key, uint64_t offset,
-               uint64_t len, struct lttng_consumer_channel *channel,
-               int timer)
+               uint64_t len, uint64_t version,
+               struct lttng_consumer_channel *channel, int timer)
 {
        return -ENOSYS;
 }