From: David Goulet <david.goulet@polymtl.ca>
Date: Sat, 16 Jul 2011 19:22:24 +0000 (-0400)
Subject: Add comment for the session list lock
X-Git-Tag: v2.0-pre1~31
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=04ea676f7fb2a6b3d5470737b498418ab37d5e0a;p=lttng-tools.git

Add comment for the session list lock

Signed-off-by: David Goulet <david.goulet@polymtl.ca>
---

diff --git a/ltt-sessiond/main.c b/ltt-sessiond/main.c
index 46be1b536..69d5f6b7f 100644
--- a/ltt-sessiond/main.c
+++ b/ltt-sessiond/main.c
@@ -105,6 +105,8 @@ static pthread_mutex_t kconsumerd_pid_mutex;	/* Mutex to control kconsumerd pid
  * This points to the tracing session list containing the session count and a
  * mutex lock. The lock MUST be taken if you iterate over the list. The lock
  * MUST NOT be taken if you call a public function in session.c.
+ *
+ * The lock is nested inside the structure: session_list_ptr->lock.
  */
 static struct ltt_session_list *session_list_ptr;