X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=liblttng-ust%2Fltt-ring-buffer-client-overwrite.c;h=27693a26597c0668ae9c4b46a61c6c69edd5f15d;hb=36e2ba2a19ec6698ed8dfb8c9bde683368334372;hp=fa04c18bee77aec1a7f7ab49efda5a3bdb8ff220;hpb=c1fca4572d4458b2e6e96752f9efc595c5f72405;p=lttng-ust.git

diff --git a/liblttng-ust/ltt-ring-buffer-client-overwrite.c b/liblttng-ust/ltt-ring-buffer-client-overwrite.c
index fa04c18b..27693a26 100644
--- a/liblttng-ust/ltt-ring-buffer-client-overwrite.c
+++ b/liblttng-ust/ltt-ring-buffer-client-overwrite.c
@@ -8,6 +8,7 @@
  * Dual LGPL v2.1/GPL v2 license.
  */
 
+#define _GNU_SOURCE
 #include "ltt-tracer.h"
 
 #define RING_BUFFER_MODE_TEMPLATE		RING_BUFFER_OVERWRITE