/* clock_getres -- Get the resolution of a POSIX clockid_t.  Linux version.

   Copyright (C) 2003-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

#include <sysdep.h>

#include <errno.h>

#include <time.h>

#include "kernel-posix-cpu-timers.h"

#ifdef HAVE_CLOCK_GETRES_VSYSCALL

# define HAVE_VSYSCALL

#endif

#include <sysdep-vdso.h>

#define SYSCALL_GETRES \

  retval = INLINE_VSYSCALL (clock_getres, 2, clock_id, res); \

  break

/* The REALTIME and MONOTONIC clock are definitely supported in the

   kernel.  */

#define SYSDEP_GETRES							      \

  SYSDEP_GETRES_CPUTIME							      \

  case CLOCK_REALTIME:							      \

  case CLOCK_MONOTONIC:							      \

  case CLOCK_MONOTONIC_RAW:						      \

  case CLOCK_REALTIME_COARSE:						      \

  case CLOCK_MONOTONIC_COARSE:						      \

    SYSCALL_GETRES

/* We handled the REALTIME clock here.  */

#define HANDLED_REALTIME	1

#define HANDLED_CPUTIME		1

#define SYSDEP_GETRES_CPU SYSCALL_GETRES

#define SYSDEP_GETRES_CPUTIME	/* Default catches them too.  */

#include <sysdeps/posix/clock_getres.c>