From: David Goulet <dgoulet@efficios.com>
Date: Thu, 14 Nov 2013 18:14:31 +0000 (-0500)
Subject: Fix: document relayd live lock nesting
X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=commitdiff_plain;h=d39add63f27be5e855b3b4a2381f951c0684cc0d

Fix: document relayd live lock nesting

Signed-off-by: David Goulet <dgoulet@efficios.com>
---

diff --git a/src/bin/lttng-relayd/lttng-relayd.h b/src/bin/lttng-relayd/lttng-relayd.h
index 0af8e0f1d..c17a67ea8 100644
--- a/src/bin/lttng-relayd/lttng-relayd.h
+++ b/src/bin/lttng-relayd/lttng-relayd.h
@@ -169,6 +169,8 @@ struct relay_viewer_stream {
 	/*
 	 * This lock blocks only when the writer is about to start overwriting
 	 * a file currently read by the reader.
+	 *
+	 * This is nested INSIDE the viewer_stream_rotation_lock.
 	 */
 	pthread_mutex_t overwrite_lock;
 	/* Information telling us if the stream is a metadata stream. */