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Commit 42e1358e authored by Christian Riesch's avatar Christian Riesch Committed by David S. Miller
Browse files

ptp: In the testptp utility, use clock_adjtime from glibc when available 



clock_adjtime was included in glibc 2.14. _GNU_SOURCE must be defined
to make it available.

Signed-off-by: default avatarChristian Riesch <christian.riesch@omicron.at>
Cc: Richard Cochran <richardcochran@gmail.com>
Acked-by: default avatarRichard Cochran <richardcochran@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent ddc6fbd8

Documentation/ptp/testptp.c

+4 −1
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ 
 *  along with this program; if not, write to the Free Software

 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

 */

#define _GNU_SOURCE

#include <errno.h>

#include <fcntl.h>

#include <inttypes.h>
@@ -46,12 +47,14 @@ 
#define CLOCK_INVALID -1

#endif



/* When glibc offers the syscall, this will go away. */

/* clock_adjtime is not available in GLIBC < 2.14 */

#if !__GLIBC_PREREQ(2, 14)

#include <sys/syscall.h>

static int clock_adjtime(clockid_t id, struct timex *tx)

{

	return syscall(__NR_clock_adjtime, id, tx);

}

#endif



static clockid_t get_clockid(int fd)

{