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Ulrich Drepper
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| Original file line number | Diff line number | Diff line change |
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| /* System-dependent timing definitions. Linux version. | ||
| Copyright (C) 1996,1997,1999-2003,2010,2011 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. */ | ||
|
|
||
| /* | ||
| * Never include this file directly; use <time.h> instead. | ||
| */ | ||
|
|
||
| #if defined __need_timeval || defined __USE_GNU | ||
| # ifndef _STRUCT_TIMEVAL | ||
| # define _STRUCT_TIMEVAL 1 | ||
| # include <bits/types.h> | ||
|
|
||
| /* A time value that is accurate to the nearest | ||
| microsecond but also has a range of years. */ | ||
| struct timeval | ||
| { | ||
| __time_t tv_sec; /* Seconds. */ | ||
| __suseconds_t tv_usec; /* Microseconds. */ | ||
| }; | ||
| # endif /* struct timeval */ | ||
| #endif | ||
|
|
||
| #ifndef __need_timeval | ||
| # ifndef _BITS_TIME_H | ||
| # define _BITS_TIME_H 1 | ||
|
|
||
| /* ISO/IEC 9899:1990 7.12.1: <time.h> | ||
| The macro `CLOCKS_PER_SEC' is the number per second of the value | ||
| returned by the `clock' function. */ | ||
| /* CAE XSH, Issue 4, Version 2: <time.h> | ||
| The value of CLOCKS_PER_SEC is required to be 1 million on all | ||
| XSI-conformant systems. */ | ||
| # define CLOCKS_PER_SEC 1000000l | ||
|
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||
| # if !defined __STRICT_ANSI__ && !defined __USE_XOPEN2K | ||
| /* Even though CLOCKS_PER_SEC has such a strange value CLK_TCK | ||
| presents the real value for clock ticks per second for the system. */ | ||
| # include <bits/types.h> | ||
| extern long int __sysconf (int); | ||
| # define CLK_TCK ((__clock_t) __sysconf (2)) /* 2 is _SC_CLK_TCK */ | ||
| # endif | ||
|
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||
| # ifdef __USE_POSIX199309 | ||
| /* Identifier for system-wide realtime clock. */ | ||
| # define CLOCK_REALTIME 0 | ||
| /* Monotonic system-wide clock. */ | ||
| # define CLOCK_MONOTONIC 1 | ||
| /* High-resolution timer from the CPU. */ | ||
| # define CLOCK_PROCESS_CPUTIME_ID 2 | ||
| /* Thread-specific CPU-time clock. */ | ||
| # define CLOCK_THREAD_CPUTIME_ID 3 | ||
| /* Monotonic system-wide clock, not adjusted for frequency scaling. */ | ||
| # define CLOCK_MONOTONIC_RAW 4 | ||
| /* Identifier for system-wide realtime clock, updated only on ticks. */ | ||
| # define CLOCK_REALTIME_COARSE 5 | ||
| /* Monotonic system-wide clock, updated only on ticks. */ | ||
| # define CLOCK_MONOTONIC_COARSE 6 | ||
|
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||
| /* Flag to indicate time is absolute. */ | ||
| # define TIMER_ABSTIME 1 | ||
| # endif | ||
|
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||
| # ifdef __USE_GNU | ||
| # include <bits/timex.h> | ||
|
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| __BEGIN_DECLS | ||
|
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||
| /* Tune a POSIX clock. */ | ||
| extern int clock_adjtime (__clockid_t __clock_id, struct timex *__utx) __THROW; | ||
|
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||
| __END_DECLS | ||
| # endif /* use GNU */ | ||
|
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||
| # endif /* bits/time.h */ | ||
| #endif | ||
|
|
||
| #undef __need_timeval |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,108 @@ | ||
| /* Copyright (C) 1995-1997,1999,2007,2009,2011 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 _BITS_TIMEX_H | ||
| #define _BITS_TIMEX_H 1 | ||
|
|
||
| /* These definitions from linux/timex.h as of 2.6.30. */ | ||
|
|
||
| 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 */ | ||
|
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||
| 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) */ | ||
|
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| int tai; /* TAI offset (ro) */ | ||
|
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||
| /* ??? */ | ||
| int :32; int :32; int :32; int :32; | ||
| int :32; int :32; int :32; int :32; | ||
| int :32; int :32; int :32; | ||
| }; | ||
|
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||
| /* 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_TAI 0x0080 /* set TAI offset */ | ||
| #define ADJ_MICRO 0x1000 /* select microsecond resolution */ | ||
| #define ADJ_NANO 0x2000 /* select nanosecond resolution */ | ||
| #define ADJ_TICK 0x4000 /* tick value */ | ||
| #define ADJ_OFFSET_SINGLESHOT 0x8001 /* old-fashioned adjtime */ | ||
| #define ADJ_OFFSET_SS_READ 0xa001 /* read-only 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 */ | ||
| #define MOD_TAI ADJ_TAI | ||
| #define MOD_MICRO ADJ_MICRO | ||
| #define MOD_NANO ADJ_NANO | ||
|
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||
|
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||
| /* 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) */ | ||
|
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||
| #define STA_CLOCKERR 0x1000 /* clock hardware fault (ro) */ | ||
| #define STA_NANO 0x2000 /* resolution (0 = us, 1 = ns) (ro) */ | ||
| #define STA_MODE 0x4000 /* mode (0 = PLL, 1 = FLL) (ro) */ | ||
| #define STA_CLK 0x8000 /* clock source (0 = A, 1 = B) (ro) */ | ||
|
|
||
| /* Read-only bits */ | ||
| #define STA_RONLY (STA_PPSSIGNAL | STA_PPSJITTER | STA_PPSWANDER | \ | ||
| STA_PPSERROR | STA_CLOCKERR | STA_NANO | STA_MODE | STA_CLK) | ||
|
|
||
| #endif /* bits/timex.h */ |
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