Add missing #define _GNU_SOURCE for sched_getcpu()

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

diff --git a/liblttng-ust/ltt-ring-buffer-client-discard.c b/liblttng-ust/ltt-ring-buffer-client-discard.c
index d4d0231f1cc41e2634aca41be4c71eea567fd3d0..a551ef9a9d3ff9ed2806fb0f7f37cca1d4bc3d72 100644 (file)
--- a/liblttng-ust/ltt-ring-buffer-client-discard.c
+++ b/liblttng-ust/ltt-ring-buffer-client-discard.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