/* gettimeofday - get the time.  Linux/x86 version.

   Copyright (C) 2015-2018 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 <sys/time.h>

#ifdef SHARED

# include <dl-vdso.h>

# include <errno.h>

static int

__gettimeofday_syscall (struct timeval *tv, struct timezone *tz)

{

  return INLINE_SYSCALL (gettimeofday, 2, tv, tz);

}

# ifndef __gettimeofday_type

/* The i386 gettimeofday.c includes this file with a defined

   __gettimeofday_type macro.  For x86_64 we have to define it to __gettimeofday

   as the internal symbol is the ifunc'ed one.  */

#  define __gettimeofday_type __gettimeofday

# endif

# undef INIT_ARCH

# define INIT_ARCH() PREPARE_VERSION_KNOWN (linux26, LINUX_2_6)

/* If the vDSO is not available we fall back to syscall.  */

libc_ifunc_hidden (__gettimeofday_type, __gettimeofday,

		   (_dl_vdso_vsym ("__vdso_gettimeofday", &linux26)

		    ?: &__gettimeofday_syscall))

libc_hidden_def (__gettimeofday)

#else

# include <sysdep.h>

# include <errno.h>

int

__gettimeofday (struct timeval *tv, struct timezone *tz)

{

  return INLINE_SYSCALL (gettimeofday, 2, tv, tz);

}

libc_hidden_def (__gettimeofday)

#endif

weak_alias (__gettimeofday, gettimeofday)

libc_hidden_weak (gettimeofday)