/* Copyright (C) 1995, 1996, 1997, 1999 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, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #ifndef _SYS_TIMEX_H #define _SYS_TIMEX_H 1 #include <features.h> #include <sys/time.h> /* These definitions from linux/timex.h as of 2.2.0. */ struct ntptimeval { struct timeval time; /* current time (ro) */ long int maxerror; /* maximum error (us) (ro) */ long int esterror; /* estimated error (us) (ro) */ }; struct timex { unsigned int modes; /* mode selector */ long int offset; /* time offset (usec) */ long int freq; /* frequency offset (scaled ppm) */ long int maxerror; /* maximum error (usec) */ long int esterror; /* estimated error (usec) */ int status; /* clock command/status */ long int constant; /* pll time constant */ long int precision; /* clock precision (usec) (read only) */ long int tolerance; /* clock frequency tolerance (ppm) (read only) */ struct timeval time; /* (read only) */ long int tick; /* (modified) usecs between clock ticks */ long int ppsfreq; /* pps frequency (scaled ppm) (ro) */ long int jitter; /* pps jitter (us) (ro) */ int shift; /* interval duration (s) (shift) (ro) */ long int stabil; /* pps stability (scaled ppm) (ro) */ long int jitcnt; /* jitter limit exceeded (ro) */ long int calcnt; /* calibration intervals (ro) */ long int errcnt; /* calibration errors (ro) */ long int stbcnt; /* stability limit exceeded (ro) */ /* ??? */ int :32; int :32; int :32; int :32; int :32; int :32; int :32; int :32; int :32; int :32; int :32; int :32; }; /* Mode codes (timex.mode) */ #define ADJ_OFFSET 0x0001 /* time offset */ #define ADJ_FREQUENCY 0x0002 /* frequency offset */ #define ADJ_MAXERROR 0x0004 /* maximum time error */ #define ADJ_ESTERROR 0x0008 /* estimated time error */ #define ADJ_STATUS 0x0010 /* clock status */ #define ADJ_TIMECONST 0x0020 /* pll time constant */ #define ADJ_TICK 0x4000 /* tick value */ #define ADJ_OFFSET_SINGLESHOT 0x8001 /* old-fashioned adjtime */ /* xntp 3.4 compatibility names */ #define MOD_OFFSET ADJ_OFFSET #define MOD_FREQUENCY ADJ_FREQUENCY #define MOD_MAXERROR ADJ_MAXERROR #define MOD_ESTERROR ADJ_ESTERROR #define MOD_STATUS ADJ_STATUS #define MOD_TIMECONST ADJ_TIMECONST #define MOD_CLKB ADJ_TICK #define MOD_CLKA ADJ_OFFSET_SINGLESHOT /* 0x8000 in original */ /* Status codes (timex.status) */ #define STA_PLL 0x0001 /* enable PLL updates (rw) */ #define STA_PPSFREQ 0x0002 /* enable PPS freq discipline (rw) */ #define STA_PPSTIME 0x0004 /* enable PPS time discipline (rw) */ #define STA_FLL 0x0008 /* select frequency-lock mode (rw) */ #define STA_INS 0x0010 /* insert leap (rw) */ #define STA_DEL 0x0020 /* delete leap (rw) */ #define STA_UNSYNC 0x0040 /* clock unsynchronized (rw) */ #define STA_FREQHOLD 0x0080 /* hold frequency (rw) */ #define STA_PPSSIGNAL 0x0100 /* PPS signal present (ro) */ #define STA_PPSJITTER 0x0200 /* PPS signal jitter exceeded (ro) */ #define STA_PPSWANDER 0x0400 /* PPS signal wander exceeded (ro) */ #define STA_PPSERROR 0x0800 /* PPS signal calibration error (ro) */ #define STA_CLOCKERR 0x1000 /* clock hardware fault (ro) */ #define STA_RONLY (STA_PPSSIGNAL | STA_PPSJITTER | STA_PPSWANDER | \ STA_PPSERROR | STA_CLOCKERR) /* read-only bits */ /* 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 extern int __adjtimex (struct timex *__ntx) __THROW; extern int adjtimex (struct timex *__ntx) __THROW; extern int ntp_gettime (struct ntptimeval *__ntv) __THROW; extern int ntp_adjtime (struct timex *__tntx) __THROW; __END_DECLS #endif /* sys/timex.h */