Add missing #define _GNU_SOURCE for sched_getcpu()

[lttng-ust.git] / liblttng-ust / ltt-ring-buffer-client-overwrite.c

diff --git a/liblttng-ust/ltt-ring-buffer-client-overwrite.c b/liblttng-ust/ltt-ring-buffer-client-overwrite.c
index fa04c18bee77aec1a7f7ab49efda5a3bdb8ff220..27693a26597c0668ae9c4b46a61c6c69edd5f15d 100644 (file)
--- 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