X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=src%2Fcommon%2Fkernel-consumer%2Fkernel-consumer.c;h=c0d8e09720b1c3409fda2fb315f1b79d8ca98068;hb=27585b307a10773445cb3e94b49295ff56e2efdf;hp=32f55f0b736d1cc59ffd47ee7ff395e926a02bb5;hpb=77de880d485806782767ea115324bbede4ee0c69;p=lttng-tools.git

diff --git a/src/common/kernel-consumer/kernel-consumer.c b/src/common/kernel-consumer/kernel-consumer.c
index 32f55f0b7..c0d8e0972 100644
--- a/src/common/kernel-consumer/kernel-consumer.c
+++ b/src/common/kernel-consumer/kernel-consumer.c
@@ -1647,6 +1647,14 @@ 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)
@@ -1677,6 +1685,8 @@ 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) {