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72 lines
2.2 KiB
C
72 lines
2.2 KiB
C
/* Copyright (C) 1995-2017 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _SYS_TIMEX_H
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#define _SYS_TIMEX_H 1
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#include <features.h>
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#include <sys/time.h>
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/* These definitions from linux/timex.h as of 2.6.30. */
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#include <bits/timex.h>
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#define NTP_API 4 /* NTP API version */
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struct ntptimeval
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{
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struct timeval time; /* current time (ro) */
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long int maxerror; /* maximum error (us) (ro) */
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long int esterror; /* estimated error (us) (ro) */
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long int tai; /* TAI offset (ro) */
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long int __glibc_reserved1;
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long int __glibc_reserved2;
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long int __glibc_reserved3;
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long int __glibc_reserved4;
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};
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/* Clock states (time_state) */
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#define TIME_OK 0 /* clock synchronized, no leap second */
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#define TIME_INS 1 /* insert leap second */
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#define TIME_DEL 2 /* delete leap second */
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#define TIME_OOP 3 /* leap second in progress */
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#define TIME_WAIT 4 /* leap second has occurred */
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#define TIME_ERROR 5 /* clock not synchronized */
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#define TIME_BAD TIME_ERROR /* bw compat */
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/* Maximum time constant of the PLL. */
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#define MAXTC 6
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__BEGIN_DECLS
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extern int __adjtimex (struct timex *__ntx) __THROW;
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extern int adjtimex (struct timex *__ntx) __THROW;
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#ifdef __REDIRECT_NTH
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extern int __REDIRECT_NTH (ntp_gettime, (struct ntptimeval *__ntv),
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ntp_gettimex);
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#else
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extern int ntp_gettimex (struct ntptimeval *__ntv) __THROW;
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# define ntp_gettime ntp_gettimex
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#endif
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extern int ntp_adjtime (struct timex *__tntx) __THROW;
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__END_DECLS
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#endif /* sys/timex.h */
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