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timex.h
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/* Copyright (C) 1995-2022 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/>. */ #ifndef _SYS_TIMEX_H #define _SYS_TIMEX_H 1 #include <features.h> #include <sys/time.h> /* These definitions from linux/timex.h as of 2.6.30. */ #include <bits/timex.h> #define NTP_API 4 /* NTP API version */ struct ntptimeval { struct timeval time; /* current time (ro) */ long int maxerror; /* maximum error (us) (ro) */ long int esterror; /* estimated error (us) (ro) */ long int tai; /* TAI offset (ro) */ long int __glibc_reserved1; long int __glibc_reserved2; long int __glibc_reserved3; long int __glibc_reserved4; }; /* Clock states (time_state) */ #define TIME_OK 0 /* clock synchronized, no leap second */ #define TIME_INS 1 /* insert leap second */ #define TIME_DEL 2 /* delete leap second */ #define TIME_OOP 3 /* leap second in progress */ #define TIME_WAIT 4 /* leap second has occurred */ #define TIME_ERROR 5 /* clock not synchronized */ #define TIME_BAD TIME_ERROR /* bw compat */ /* Maximum time constant of the PLL. */ #define MAXTC 6 __BEGIN_DECLS #ifndef __USE_TIME_BITS64 extern int adjtimex (struct timex *__ntx) __THROW; extern int ntp_gettimex (struct ntptimeval *__ntv) __THROW; # ifdef __REDIRECT_NTH extern int __REDIRECT_NTH (ntp_gettime, (struct ntptimeval *__ntv), ntp_gettimex); # else # define ntp_gettime ntp_gettimex # endif extern int ntp_adjtime (struct timex *__tntx) __THROW; #else # ifdef __REDIRECT_NTH extern int __REDIRECT_NTH (adjtimex, (struct timex *__ntx), ___adjtimex64); extern int __REDIRECT_NTH (ntp_gettime, (struct ntptimeval *__ntv), __ntp_gettime64); extern int __REDIRECT_NTH (ntp_gettimex, (struct ntptimeval *__ntv), __ntp_gettimex64); extern int __REDIRECT_NTH (ntp_adjtime, (struct timex *__ntx), ___adjtimex64); # else # define adjtimex ___adjtimex64 # define ntp_adjtime ___adjtimex64 # define ntp_gettime __ntp_gettime64 # define ntp_gettimex __ntp_gettimex64 # endif #endif __END_DECLS #endif /* sys/timex.h */