Ust consumer: Expose userspace clear buffer operation

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>

diff --git a/src/common/ust-consumer/ust-consumer.c b/src/common/ust-consumer/ust-consumer.c
index 3d3a30dcd9e2e41d47b7c8d2bc7a92edbce57b35..9de9aca5d3dc3694554bb396f0abe1bb2ab1c2b9 100644 (file)
--- a/src/common/ust-consumer/ust-consumer.c
+++ b/src/common/ust-consumer/ust-consumer.c
@@ -2069,6 +2069,14 @@ void lttng_ustconsumer_flush_buffer(struct lttng_consumer_stream *stream,
        ustctl_flush_buffer(stream->ustream, producer);
 }
 
+void lttng_ustconsumer_clear_buffer(struct lttng_consumer_stream *stream)
+{
+       assert(stream);
+       assert(stream->ustream);
+
+       ustctl_clear_buffer(stream->ustream);
+}
+
 int lttng_ustconsumer_get_current_timestamp(
                struct lttng_consumer_stream *stream, uint64_t *ts)
 {

diff --git a/src/common/ust-consumer/ust-consumer.h b/src/common/ust-consumer/ust-consumer.h
index b5ff161864255a58278c3c8ecf1da1d223f0994c..02639b9a5f5cf172e32814bc98bfcabf30f5659f 100644 (file)
--- a/src/common/ust-consumer/ust-consumer.h
+++ b/src/common/ust-consumer/ust-consumer.h
@@ -67,6 +67,7 @@ int lttng_ustconsumer_sync_metadata(struct lttng_consumer_local_data *ctx,
                struct lttng_consumer_stream *metadata);
 void lttng_ustconsumer_flush_buffer(struct lttng_consumer_stream *stream,
                int producer);
+void lttng_ustconsumer_clear_buffer(struct lttng_consumer_stream *stream);
 int lttng_ustconsumer_get_current_timestamp(
                struct lttng_consumer_stream *stream, uint64_t *ts);
 int lttng_ustconsumer_get_sequence_number(
@@ -224,6 +225,10 @@ void lttng_ustconsumer_flush_buffer(struct lttng_consumer_stream *stream,
 {
 }
 static inline
+void lttng_ustconsumer_clear_buffer(struct lttng_consumer_stream *stream)
+{
+}
+static inline
 int lttng_ustconsumer_get_current_timestamp(
                struct lttng_consumer_stream *stream, uint64_t *ts)
 {