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Docs: relayd: live: clarify ownership of vstream after viewer release
[lttng-tools.git]
/
src
/
bin
/
lttng-relayd
/
live.cpp
diff --git
a/src/bin/lttng-relayd/live.cpp
b/src/bin/lttng-relayd/live.cpp
index e3d27b1ef8411a1a6efc837ffa10051d6108155f..d963a69b4c1870d901f5fa6fb9b2ba58efa8a811 100644
(file)
--- a/
src/bin/lttng-relayd/live.cpp
+++ b/
src/bin/lttng-relayd/live.cpp
@@
-2093,9
+2093,16
@@
int viewer_get_metadata(struct relay_connection *conn)
*/
if (vstream->metadata_sent > 0) {
if (vstream->stream->closed && vstream->stream->no_new_metadata_notified) {
*/
if (vstream->metadata_sent > 0) {
if (vstream->stream->closed && vstream->stream->no_new_metadata_notified) {
- /* Release ownership for the viewer metadata stream. */
+ /*
+ * Release ownership for the viewer metadata
+ * stream. Note that this reference is the
+ * viewer's reference. The vstream still exists
+ * until the end of the function as
+ * viewer_stream_get_by_id() took a reference.
+ */
viewer_stream_put(vstream);
}
viewer_stream_put(vstream);
}
+
vstream->stream->no_new_metadata_notified = true;
}
goto send_reply;
vstream->stream->no_new_metadata_notified = true;
}
goto send_reply;
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