Add missing #define _GNU_SOURCE for sched_getcpu()

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

diff --git a/liblttng-ust/ltt-ring-buffer-metadata-client.c b/liblttng-ust/ltt-ring-buffer-metadata-client.c
index 9609bb15231d40902ce5020b0d5f03d317e8a96a..9cf4c57966b3b0d92a98ca1f01cf3914c5554502 100644 (file)
--- a/liblttng-ust/ltt-ring-buffer-metadata-client.c
+++ b/liblttng-ust/ltt-ring-buffer-metadata-client.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_DISCARD