Fix: define _LGPL_SOURCE in C files

[lttng-tools.git] / src / common / kernel-ctl / kernel-ctl.c

diff --git a/src/common/kernel-ctl/kernel-ctl.c b/src/common/kernel-ctl/kernel-ctl.c
index a387b93bf87f0334365c3217c95537cf1487e29b..b223ceac80f3bdab1a6ba6fd84d160802da6467e 100644 (file)
--- a/src/common/kernel-ctl/kernel-ctl.c
+++ b/src/common/kernel-ctl/kernel-ctl.c
@@ -16,6 +16,8 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
+#define _GNU_SOURCE
+#define _LGPL_SOURCE
 #define __USE_LINUX_IOCTL_DEFS
 #include <sys/ioctl.h>
 #include <string.h>
@@ -346,6 +348,12 @@ end:
        return ret;
 }
 
+int kernctl_tracer_abi_version(int fd,
+               struct lttng_kernel_tracer_abi_version *v)
+{
+       return ioctl(fd, LTTNG_KERNEL_TRACER_ABI_VERSION, v);
+}
+
 int kernctl_wait_quiescent(int fd)
 {
        return compat_ioctl_no_arg(fd, LTTNG_KERNEL_OLD_WAIT_QUIESCENT,