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Diffstat (limited to 'sysdeps/unix/sysv/solaris2/kopensolaris-gnu/sys/timex.h')
| -rw-r--r-- | sysdeps/unix/sysv/solaris2/kopensolaris-gnu/sys/timex.h | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/sys/timex.h b/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/sys/timex.h new file mode 100644 index 0000000000..8a59d5fe06 --- /dev/null +++ b/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/sys/timex.h @@ -0,0 +1,155 @@ +/* Copyright (C) 1995, 1996, 1997, 1999, 2008 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> +#include <sys/types.h> + +struct ntptimeval +{ + struct timeval time; /* current time (ro) */ + int32_t maxerror; /* maximum error (us) (ro) */ + int32_t esterror; /* estimated error (us) (ro) */ +}; + +#ifdef _SYSCALL32 +# include <sys/types32.h> +struct ntptimeval32 +{ + struct timeval32 time; + int32_t maxerror; + int32_t esterror; +}; +#endif + +struct timex +{ + uint32_t modes; /* mode selector */ + int32_t offset; /* time offset (usec) */ + int32_t freq; /* frequency offset (scaled ppm) */ + int32_t maxerror; /* maximum error (usec) */ + int32_t esterror; /* estimated error (usec) */ + int32_t status; /* clock command/status */ + int32_t constant; /* pll time constant */ + int32_t precision; /* clock precision (usec) (read only) */ + int32_t tolerance; /* clock frequency tolerance (ppm) (read only) */ + int32_t ppsfreq; /* pps frequency (scaled ppm) (ro) */ + int32_t jitter; /* pps jitter (us) (ro) */ + int32_t shift; /* interval duration (s) (shift) (ro) */ + int32_t stabil; /* pps stability (scaled ppm) (ro) */ + int32_t jitcnt; /* jitter limit exceeded (ro) */ + int32_t calcnt; /* calibration intervals (ro) */ + int32_t errcnt; /* calibration errors (ro) */ + int32_t stbcnt; /* stability limit exceeded (ro) */ +}; + +/* Engineering parameters of the PLL. */ +#define SCALE_KG (1<<6) +#define SCALE_KF (1<<16) +#define SCALE_KH (1<<2) +#define MAXTC (1<<6) + + +/* PLL variables. */ +#define SCALE_PHASE (1<<22) +#define SCALE_USEC (1<<16) +#define SCALE_UPDATE (SCALE_KG * MAXTC) +#define FINEUSEC (1<<22) + +/* Performance envelope of the PLL. */ +#define MAXPHASE 512000 +#define MAXFREQ (512 * SCALE_USEC) +#define MAXTIME (200 << PPS_AVG) +#define MINSEC 16 +#define MAXSEC 1200 + +/* Used if pulse-per-second (PPS) is present. */ +#define PPS_AVG 2 +#define PPS_SHIFT 2 +#define PPS_SHIFTMAX 8 +#define PPS_VALID 120 +#define MAXGLITCH 30 + +/* 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 0x8000 /* 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 */ |