/* Copyright (C) 1995-2018 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 _BITS_TIMEX_H

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#define _BITS_TIMEX_H 1

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#include <bits/types.h>

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#include <bits/types/struct_timeval.h>

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/* These definitions from linux/timex.h as of 3.18. */

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struct timex

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{

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unsigned int modes; /* mode selector */

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__syscall_slong_t offset; /* time offset (usec) */

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__syscall_slong_t freq; /* frequency offset (scaled ppm) */

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__syscall_slong_t maxerror; /* maximum error (usec) */

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__syscall_slong_t esterror; /* estimated error (usec) */

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int status; /* clock command/status */

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__syscall_slong_t constant; /* pll time constant */

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__syscall_slong_t precision; /* clock precision (usec) (ro) */

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__syscall_slong_t tolerance; /* clock frequency tolerance (ppm) (ro) */

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struct timeval time; /* (read only, except for ADJ_SETOFFSET) */

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__syscall_slong_t tick; /* (modified) usecs between clock ticks */

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__syscall_slong_t ppsfreq; /* pps frequency (scaled ppm) (ro) */

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__syscall_slong_t jitter; /* pps jitter (us) (ro) */

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int shift; /* interval duration (s) (shift) (ro) */

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__syscall_slong_t stabil; /* pps stability (scaled ppm) (ro) */

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__syscall_slong_t jitcnt; /* jitter limit exceeded (ro) */

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__syscall_slong_t calcnt; /* calibration intervals (ro) */

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__syscall_slong_t errcnt; /* calibration errors (ro) */

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__syscall_slong_t stbcnt; /* stability limit exceeded (ro) */

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int tai; /* TAI offset (ro) */

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/* ??? */

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int :32; int :32; int :32; int :32;

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int :32; int :32; int :32; int :32;

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int :32; int :32; int :32;

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};

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/* Mode codes (timex.mode) */

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#define ADJ_OFFSET 0x0001 /* time offset */

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#define ADJ_FREQUENCY 0x0002 /* frequency offset */

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#define ADJ_MAXERROR 0x0004 /* maximum time error */

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#define ADJ_ESTERROR 0x0008 /* estimated time error */

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#define ADJ_STATUS 0x0010 /* clock status */

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#define ADJ_TIMECONST 0x0020 /* pll time constant */

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#define ADJ_TAI 0x0080 /* set TAI offset */

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#define ADJ_SETOFFSET 0x0100 /* add 'time' to current time */

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#define ADJ_MICRO 0x1000 /* select microsecond resolution */

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#define ADJ_NANO 0x2000 /* select nanosecond resolution */

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#define ADJ_TICK 0x4000 /* tick value */

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#define ADJ_OFFSET_SINGLESHOT 0x8001 /* old-fashioned adjtime */

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#define ADJ_OFFSET_SS_READ 0xa001 /* read-only adjtime */

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/* xntp 3.4 compatibility names */

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#define MOD_OFFSET ADJ_OFFSET

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#define MOD_FREQUENCY ADJ_FREQUENCY

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#define MOD_MAXERROR ADJ_MAXERROR

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#define MOD_ESTERROR ADJ_ESTERROR

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#define MOD_STATUS ADJ_STATUS

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#define MOD_TIMECONST ADJ_TIMECONST

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#define MOD_CLKB ADJ_TICK

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#define MOD_CLKA ADJ_OFFSET_SINGLESHOT /* 0x8000 in original */

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#define MOD_TAI ADJ_TAI

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#define MOD_MICRO ADJ_MICRO

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#define MOD_NANO ADJ_NANO

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/* Status codes (timex.status) */

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#define STA_PLL 0x0001 /* enable PLL updates (rw) */

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#define STA_PPSFREQ 0x0002 /* enable PPS freq discipline (rw) */

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#define STA_PPSTIME 0x0004 /* enable PPS time discipline (rw) */

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#define STA_FLL 0x0008 /* select frequency-lock mode (rw) */

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#define STA_INS 0x0010 /* insert leap (rw) */

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#define STA_DEL 0x0020 /* delete leap (rw) */

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#define STA_UNSYNC 0x0040 /* clock unsynchronized (rw) */

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#define STA_FREQHOLD 0x0080 /* hold frequency (rw) */

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#define STA_PPSSIGNAL 0x0100 /* PPS signal present (ro) */

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#define STA_PPSJITTER 0x0200 /* PPS signal jitter exceeded (ro) */

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#define STA_PPSWANDER 0x0400 /* PPS signal wander exceeded (ro) */

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#define STA_PPSERROR 0x0800 /* PPS signal calibration error (ro) */

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#define STA_CLOCKERR 0x1000 /* clock hardware fault (ro) */

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#define STA_NANO 0x2000 /* resolution (0 = us, 1 = ns) (ro) */

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#define STA_MODE 0x4000 /* mode (0 = PLL, 1 = FLL) (ro) */

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#define STA_CLK 0x8000 /* clock source (0 = A, 1 = B) (ro) */

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/* Read-only bits */

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#define STA_RONLY (STA_PPSSIGNAL | STA_PPSJITTER | STA_PPSWANDER | \

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STA_PPSERROR | STA_CLOCKERR | STA_NANO | STA_MODE | STA_CLK)

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#endif /* bits/timex.h */

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