glibc/sysdeps/unix/sysv/linux/ntp_gettimex.c

63 lines
1.7 KiB
C

/* Copyright (C) 1999-2023 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
<https://www.gnu.org/licenses/>. */
#include <time.h>
#include <sys/timex.h>
#ifndef MOD_OFFSET
# define modes mode
#endif
/* clock_adjtime64 with CLOCK_REALTIME does not trigger EINVAL,
ENODEV, or EOPNOTSUPP. It might still trigger EPERM. */
int
__ntp_gettimex64 (struct __ntptimeval64 *ntv)
{
struct __timex64 tntx;
int result;
tntx.modes = 0;
result = __clock_adjtime64 (CLOCK_REALTIME, &tntx);
ntv->time = tntx.time;
ntv->maxerror = tntx.maxerror;
ntv->esterror = tntx.esterror;
ntv->tai = tntx.tai;
ntv->__glibc_reserved1 = 0;
ntv->__glibc_reserved2 = 0;
ntv->__glibc_reserved3 = 0;
ntv->__glibc_reserved4 = 0;
return result;
}
#if __TIMESIZE != 64
libc_hidden_def (__ntp_gettimex64)
int
__ntp_gettimex (struct ntptimeval *ntv)
{
struct __ntptimeval64 ntv64;
int result;
result = __ntp_gettimex64 (&ntv64);
*ntv = valid_ntptimeval64_to_ntptimeval (ntv64);
return result;
}
#endif
strong_alias (__ntp_gettimex, ntp_gettimex)