X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fkernel-consumer%2Fkernel-consumer.c;h=46a9f52c0ac2406787f2743213da3380b2a503d4;hb=091441eb540f7fe6cf23658d232cbec7a385f867;hp=4f734294caa553477f46eb0858edc45b3476b1e9;hpb=741e787bf03338ec74a1df3621c5bde4b13c4e17;p=lttng-tools.git

diff --git a/src/common/kernel-consumer/kernel-consumer.c b/src/common/kernel-consumer/kernel-consumer.c
index 4f734294c..46a9f52c0 100644
--- a/src/common/kernel-consumer/kernel-consumer.c
+++ b/src/common/kernel-consumer/kernel-consumer.c
@@ -1710,6 +1710,14 @@ bool is_get_next_check_metadata_available(int tracer_fd)
 	return available;
 }
 
+static
+int signal_metadata(struct lttng_consumer_stream *stream,
+		struct lttng_consumer_local_data *ctx)
+{
+	ASSERT_LOCKED(stream->metadata_rdv_lock);
+	return pthread_cond_broadcast(&stream->metadata_rdv) ? -errno : 0;
+}
+
 static
 int lttng_kconsumer_set_stream_ops(
 		struct lttng_consumer_stream *stream)
@@ -1740,6 +1748,8 @@ int lttng_kconsumer_set_stream_ops(
 			metadata_bucket_destroy(stream->metadata_bucket);
 			stream->metadata_bucket = NULL;
 		}
+
+		stream->read_subbuffer_ops.on_sleep = signal_metadata;
 	}
 
 	if (!stream->read_subbuffer_ops.get_next_subbuffer) {