1139825Simp/*- 21541Srgrimes * Copyright (c) 1982, 1986, 1993 31541Srgrimes * The Regents of the University of California. All rights reserved. 41541Srgrimes * 51541Srgrimes * Redistribution and use in source and binary forms, with or without 61541Srgrimes * modification, are permitted provided that the following conditions 71541Srgrimes * are met: 81541Srgrimes * 1. Redistributions of source code must retain the above copyright 91541Srgrimes * notice, this list of conditions and the following disclaimer. 101541Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111541Srgrimes * notice, this list of conditions and the following disclaimer in the 121541Srgrimes * documentation and/or other materials provided with the distribution. 131541Srgrimes * 4. Neither the name of the University nor the names of its contributors 141541Srgrimes * may be used to endorse or promote products derived from this software 151541Srgrimes * without specific prior written permission. 161541Srgrimes * 171541Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 181541Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 191541Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 201541Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 211541Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 221541Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 231541Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 241541Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 251541Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 261541Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 271541Srgrimes * SUCH DAMAGE. 281541Srgrimes * 2914487Shsu * @(#)time.h 8.5 (Berkeley) 5/4/95 3050477Speter * $FreeBSD$ 311541Srgrimes */ 321541Srgrimes 331541Srgrimes#ifndef _SYS_TIME_H_ 34239973Sed#define _SYS_TIME_H_ 351541Srgrimes 36108477Smike#include <sys/_timeval.h> 3714487Shsu#include <sys/types.h> 3898270Swollman#include <sys/timespec.h> 3914487Shsu 401541Srgrimesstruct timezone { 411541Srgrimes int tz_minuteswest; /* minutes west of Greenwich */ 421541Srgrimes int tz_dsttime; /* type of dst correction */ 431541Srgrimes}; 441541Srgrimes#define DST_NONE 0 /* not on dst */ 451541Srgrimes#define DST_USA 1 /* USA style dst */ 461541Srgrimes#define DST_AUST 2 /* Australian style dst */ 471541Srgrimes#define DST_WET 3 /* Western European dst */ 481541Srgrimes#define DST_MET 4 /* Middle European dst */ 491541Srgrimes#define DST_EET 5 /* Eastern European dst */ 501541Srgrimes#define DST_CAN 6 /* Canada */ 511541Srgrimes 5298270Swollman#if __BSD_VISIBLE 5390362Sphkstruct bintime { 5495817Sphk time_t sec; 5595817Sphk uint64_t frac; 5690362Sphk}; 5790362Sphk 5890362Sphkstatic __inline void 59255135Sdavidebintime_addx(struct bintime *_bt, uint64_t _x) 6090362Sphk{ 61255135Sdavide uint64_t _u; 6290362Sphk 63255135Sdavide _u = _bt->frac; 64255135Sdavide _bt->frac += _x; 65255135Sdavide if (_u > _bt->frac) 66255135Sdavide _bt->sec++; 6790362Sphk} 6890362Sphk 6990362Sphkstatic __inline void 70255135Sdavidebintime_add(struct bintime *_bt, const struct bintime *_bt2) 7190362Sphk{ 72255135Sdavide uint64_t _u; 7390362Sphk 74255135Sdavide _u = _bt->frac; 75255135Sdavide _bt->frac += _bt2->frac; 76255135Sdavide if (_u > _bt->frac) 77255135Sdavide _bt->sec++; 78255135Sdavide _bt->sec += _bt2->sec; 7990362Sphk} 8090362Sphk 8190362Sphkstatic __inline void 82255135Sdavidebintime_sub(struct bintime *_bt, const struct bintime *_bt2) 8390362Sphk{ 84255135Sdavide uint64_t _u; 8590362Sphk 86255135Sdavide _u = _bt->frac; 87255135Sdavide _bt->frac -= _bt2->frac; 88255135Sdavide if (_u < _bt->frac) 89255135Sdavide _bt->sec--; 90255135Sdavide _bt->sec -= _bt2->sec; 9190362Sphk} 9290362Sphk 93212336Smavstatic __inline void 94255135Sdavidebintime_mul(struct bintime *_bt, u_int _x) 95212336Smav{ 96255135Sdavide uint64_t _p1, _p2; 97212336Smav 98255135Sdavide _p1 = (_bt->frac & 0xffffffffull) * _x; 99255135Sdavide _p2 = (_bt->frac >> 32) * _x + (_p1 >> 32); 100255135Sdavide _bt->sec *= _x; 101255135Sdavide _bt->sec += (_p2 >> 32); 102255135Sdavide _bt->frac = (_p2 << 32) | (_p1 & 0xffffffffull); 103212336Smav} 104212336Smav 105247777Sdavidestatic __inline void 106255135Sdavidebintime_shift(struct bintime *_bt, int _exp) 107247777Sdavide{ 108247777Sdavide 109255135Sdavide if (_exp > 0) { 110255135Sdavide _bt->sec <<= _exp; 111255135Sdavide _bt->sec |= _bt->frac >> (64 - _exp); 112255135Sdavide _bt->frac <<= _exp; 113255135Sdavide } else if (_exp < 0) { 114255135Sdavide _bt->frac >>= -_exp; 115255135Sdavide _bt->frac |= (uint64_t)_bt->sec << (64 + _exp); 116255135Sdavide _bt->sec >>= -_exp; 117247777Sdavide } 118247777Sdavide} 119247777Sdavide 120212336Smav#define bintime_clear(a) ((a)->sec = (a)->frac = 0) 121212336Smav#define bintime_isset(a) ((a)->sec || (a)->frac) 122212336Smav#define bintime_cmp(a, b, cmp) \ 123212336Smav (((a)->sec == (b)->sec) ? \ 124212336Smav ((a)->frac cmp (b)->frac) : \ 125212336Smav ((a)->sec cmp (b)->sec)) 126212336Smav 127247452Smav#define SBT_1S ((sbintime_t)1 << 32) 128247452Smav#define SBT_1M (SBT_1S * 60) 129247452Smav#define SBT_1MS (SBT_1S / 1000) 130247452Smav#define SBT_1US (SBT_1S / 1000000) 131247673Smav#define SBT_1NS (SBT_1S / 1000000000) 132247452Smav 133247452Smavstatic __inline int 134255135Sdavidesbintime_getsec(sbintime_t _sbt) 135247452Smav{ 136247452Smav 137255135Sdavide return (_sbt >> 32); 138247452Smav} 139247452Smav 140247452Smavstatic __inline sbintime_t 141255135Sdavidebttosbt(const struct bintime _bt) 142247452Smav{ 143247452Smav 144255135Sdavide return (((sbintime_t)_bt.sec << 32) + (_bt.frac >> 32)); 145247452Smav} 146247452Smav 147247452Smavstatic __inline struct bintime 148255135Sdavidesbttobt(sbintime_t _sbt) 149247452Smav{ 150255135Sdavide struct bintime _bt; 151247673Smav 152255135Sdavide _bt.sec = _sbt >> 32; 153255135Sdavide _bt.frac = _sbt << 32; 154255135Sdavide return (_bt); 155247452Smav} 156247452Smav 157210226Strasz/*- 15892769Sphk * Background information: 15992769Sphk * 16092769Sphk * When converting between timestamps on parallel timescales of differing 16192769Sphk * resolutions it is historical and scientific practice to round down rather 16292769Sphk * than doing 4/5 rounding. 16392769Sphk * 16492769Sphk * The date changes at midnight, not at noon. 16592769Sphk * 16692769Sphk * Even at 15:59:59.999999999 it's not four'o'clock. 16792769Sphk * 16892769Sphk * time_second ticks after N.999999999 not after N.4999999999 16992769Sphk */ 17092769Sphk 17190362Sphkstatic __inline void 172255135Sdavidebintime2timespec(const struct bintime *_bt, struct timespec *_ts) 17390362Sphk{ 17490362Sphk 175255135Sdavide _ts->tv_sec = _bt->sec; 176255135Sdavide _ts->tv_nsec = ((uint64_t)1000000000 * 177255135Sdavide (uint32_t)(_bt->frac >> 32)) >> 32; 17890362Sphk} 17990362Sphk 18090362Sphkstatic __inline void 181255135Sdavidetimespec2bintime(const struct timespec *_ts, struct bintime *_bt) 18290362Sphk{ 18390362Sphk 184255135Sdavide _bt->sec = _ts->tv_sec; 18592769Sphk /* 18446744073 = int(2^64 / 1000000000) */ 186255135Sdavide _bt->frac = _ts->tv_nsec * (uint64_t)18446744073LL; 18790362Sphk} 18890362Sphk 18990362Sphkstatic __inline void 190255135Sdavidebintime2timeval(const struct bintime *_bt, struct timeval *_tv) 19190362Sphk{ 19290362Sphk 193255135Sdavide _tv->tv_sec = _bt->sec; 194255135Sdavide _tv->tv_usec = ((uint64_t)1000000 * (uint32_t)(_bt->frac >> 32)) >> 32; 19590362Sphk} 19690362Sphk 19790362Sphkstatic __inline void 198255135Sdavidetimeval2bintime(const struct timeval *_tv, struct bintime *_bt) 19990362Sphk{ 20090362Sphk 201255135Sdavide _bt->sec = _tv->tv_sec; 20292769Sphk /* 18446744073709 = int(2^64 / 1000000) */ 203255135Sdavide _bt->frac = _tv->tv_usec * (uint64_t)18446744073709LL; 20490362Sphk} 205247452Smav 206247452Smavstatic __inline struct timespec 207255135Sdavidesbttots(sbintime_t _sbt) 208247452Smav{ 209255135Sdavide struct timespec _ts; 210247452Smav 211255135Sdavide _ts.tv_sec = _sbt >> 32; 212255135Sdavide _ts.tv_nsec = ((uint64_t)1000000000 * (uint32_t)_sbt) >> 32; 213255135Sdavide return (_ts); 214247452Smav} 215247452Smav 216247452Smavstatic __inline sbintime_t 217255135Sdavidetstosbt(struct timespec _ts) 218247452Smav{ 219247452Smav 220255135Sdavide return (((sbintime_t)_ts.tv_sec << 32) + 221255135Sdavide (_ts.tv_nsec * (((uint64_t)1 << 63) / 500000000) >> 32)); 222247452Smav} 223247452Smav 224247452Smavstatic __inline struct timeval 225255135Sdavidesbttotv(sbintime_t _sbt) 226247452Smav{ 227255135Sdavide struct timeval _tv; 228247452Smav 229255135Sdavide _tv.tv_sec = _sbt >> 32; 230255135Sdavide _tv.tv_usec = ((uint64_t)1000000 * (uint32_t)_sbt) >> 32; 231255135Sdavide return (_tv); 232247452Smav} 233247452Smav 234247452Smavstatic __inline sbintime_t 235255135Sdavidetvtosbt(struct timeval _tv) 236247452Smav{ 237247452Smav 238255135Sdavide return (((sbintime_t)_tv.tv_sec << 32) + 239255135Sdavide (_tv.tv_usec * (((uint64_t)1 << 63) / 500000) >> 32)); 240247452Smav} 241247338Sdelphij#endif /* __BSD_VISIBLE */ 24290362Sphk 243247338Sdelphij#ifdef _KERNEL 244247338Sdelphij 24535029Sphk/* Operations on timespecs */ 24635401Seivind#define timespecclear(tvp) ((tvp)->tv_sec = (tvp)->tv_nsec = 0) 24735029Sphk#define timespecisset(tvp) ((tvp)->tv_sec || (tvp)->tv_nsec) 24835029Sphk#define timespeccmp(tvp, uvp, cmp) \ 24935029Sphk (((tvp)->tv_sec == (uvp)->tv_sec) ? \ 25035029Sphk ((tvp)->tv_nsec cmp (uvp)->tv_nsec) : \ 25135029Sphk ((tvp)->tv_sec cmp (uvp)->tv_sec)) 252239973Sed#define timespecadd(vvp, uvp) \ 25335029Sphk do { \ 25435058Sphk (vvp)->tv_sec += (uvp)->tv_sec; \ 25535058Sphk (vvp)->tv_nsec += (uvp)->tv_nsec; \ 25635029Sphk if ((vvp)->tv_nsec >= 1000000000) { \ 25735029Sphk (vvp)->tv_sec++; \ 25835029Sphk (vvp)->tv_nsec -= 1000000000; \ 25935029Sphk } \ 26035029Sphk } while (0) 261239973Sed#define timespecsub(vvp, uvp) \ 26235029Sphk do { \ 26335058Sphk (vvp)->tv_sec -= (uvp)->tv_sec; \ 26435058Sphk (vvp)->tv_nsec -= (uvp)->tv_nsec; \ 26535029Sphk if ((vvp)->tv_nsec < 0) { \ 26635029Sphk (vvp)->tv_sec--; \ 26735029Sphk (vvp)->tv_nsec += 1000000000; \ 26835029Sphk } \ 26935029Sphk } while (0) 27035058Sphk 2711541Srgrimes/* Operations on timevals. */ 27235058Sphk 27374574Smarkm#define timevalclear(tvp) ((tvp)->tv_sec = (tvp)->tv_usec = 0) 27435058Sphk#define timevalisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec) 27535029Sphk#define timevalcmp(tvp, uvp, cmp) \ 27635029Sphk (((tvp)->tv_sec == (uvp)->tv_sec) ? \ 27735029Sphk ((tvp)->tv_usec cmp (uvp)->tv_usec) : \ 27835029Sphk ((tvp)->tv_sec cmp (uvp)->tv_sec)) 27935058Sphk 28035058Sphk/* timevaladd and timevalsub are not inlined */ 28135058Sphk 282247338Sdelphij#endif /* _KERNEL */ 28335029Sphk 28472093Sasmodai#ifndef _KERNEL /* NetBSD/OpenBSD compatible interfaces */ 28535058Sphk 28674574Smarkm#define timerclear(tvp) ((tvp)->tv_sec = (tvp)->tv_usec = 0) 2871541Srgrimes#define timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec) 28835058Sphk#define timercmp(tvp, uvp, cmp) \ 2891541Srgrimes (((tvp)->tv_sec == (uvp)->tv_sec) ? \ 2901541Srgrimes ((tvp)->tv_usec cmp (uvp)->tv_usec) : \ 2911541Srgrimes ((tvp)->tv_sec cmp (uvp)->tv_sec)) 292239973Sed#define timeradd(tvp, uvp, vvp) \ 29321099Speter do { \ 29421099Speter (vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \ 29521099Speter (vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \ 29621099Speter if ((vvp)->tv_usec >= 1000000) { \ 29721099Speter (vvp)->tv_sec++; \ 29821099Speter (vvp)->tv_usec -= 1000000; \ 29921099Speter } \ 30021099Speter } while (0) 301239973Sed#define timersub(tvp, uvp, vvp) \ 30221099Speter do { \ 30321099Speter (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \ 30421099Speter (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \ 30521099Speter if ((vvp)->tv_usec < 0) { \ 30621099Speter (vvp)->tv_sec--; \ 30721099Speter (vvp)->tv_usec += 1000000; \ 30821099Speter } \ 30921099Speter } while (0) 31021099Speter#endif 3111541Srgrimes 3121541Srgrimes/* 3131541Srgrimes * Names of the interval timers, and structure 3141541Srgrimes * defining a timer setting. 3151541Srgrimes */ 3161541Srgrimes#define ITIMER_REAL 0 3171541Srgrimes#define ITIMER_VIRTUAL 1 3181541Srgrimes#define ITIMER_PROF 2 3191541Srgrimes 32083045Sobrienstruct itimerval { 3211541Srgrimes struct timeval it_interval; /* timer interval */ 3221541Srgrimes struct timeval it_value; /* current value */ 3231541Srgrimes}; 3241541Srgrimes 3251541Srgrimes/* 3261541Srgrimes * Getkerninfo clock information structure 3271541Srgrimes */ 3281541Srgrimesstruct clockinfo { 3291541Srgrimes int hz; /* clock frequency */ 3301541Srgrimes int tick; /* micro-seconds per hz tick */ 33196052Sbde int spare; 3321541Srgrimes int stathz; /* statistics clock frequency */ 3331541Srgrimes int profhz; /* profiling clock frequency */ 3341541Srgrimes}; 3351541Srgrimes 336144529Sdas/* These macros are also in time.h. */ 33734030Sdufault#ifndef CLOCK_REALTIME 338239973Sed#define CLOCK_REALTIME 0 339239973Sed#define CLOCK_VIRTUAL 1 340239973Sed#define CLOCK_PROF 2 341239973Sed#define CLOCK_MONOTONIC 4 342239973Sed#define CLOCK_UPTIME 5 /* FreeBSD-specific. */ 343239973Sed#define CLOCK_UPTIME_PRECISE 7 /* FreeBSD-specific. */ 344239973Sed#define CLOCK_UPTIME_FAST 8 /* FreeBSD-specific. */ 345239973Sed#define CLOCK_REALTIME_PRECISE 9 /* FreeBSD-specific. */ 346239973Sed#define CLOCK_REALTIME_FAST 10 /* FreeBSD-specific. */ 347239973Sed#define CLOCK_MONOTONIC_PRECISE 11 /* FreeBSD-specific. */ 348239973Sed#define CLOCK_MONOTONIC_FAST 12 /* FreeBSD-specific. */ 349239973Sed#define CLOCK_SECOND 13 /* FreeBSD-specific. */ 350239973Sed#define CLOCK_THREAD_CPUTIME_ID 14 351239973Sed#define CLOCK_PROCESS_CPUTIME_ID 15 352144529Sdas#endif 35325578Speter 354144529Sdas#ifndef TIMER_ABSTIME 355239973Sed#define TIMER_RELTIME 0x0 /* relative timer */ 356239973Sed#define TIMER_ABSTIME 0x1 /* absolute timer */ 35734030Sdufault#endif 35825578Speter 359239347Sdavidxu#if __BSD_VISIBLE 360239347Sdavidxu#define CPUCLOCK_WHICH_PID 0 361239347Sdavidxu#define CPUCLOCK_WHICH_TID 1 362239347Sdavidxu#endif 363239347Sdavidxu 36455205Speter#ifdef _KERNEL 365178429Sphk 366178429Sphk/* 367178429Sphk * Kernel to clock driver interface. 368178429Sphk */ 369178429Sphkvoid inittodr(time_t base); 370178429Sphkvoid resettodr(void); 371178429Sphk 372246037Sjhbextern volatile time_t time_second; 373246037Sjhbextern volatile time_t time_uptime; 374209216Sjkimextern struct bintime boottimebin; 375126401Sphkextern struct timeval boottime; 376247777Sdavideextern struct bintime tc_tick_bt; 377247777Sdavideextern sbintime_t tc_tick_sbt; 378247777Sdavideextern struct bintime tick_bt; 379247777Sdavideextern sbintime_t tick_sbt; 380247777Sdavideextern int tc_precexp; 381247777Sdavideextern int tc_timepercentage; 382247777Sdavideextern struct bintime bt_timethreshold; 383247777Sdavideextern struct bintime bt_tickthreshold; 384247777Sdavideextern sbintime_t sbt_timethreshold; 385247777Sdavideextern sbintime_t sbt_tickthreshold; 38633690Sphk 38795817Sphk/* 38895491Sphk * Functions for looking at our clock: [get]{bin,nano,micro}[up]time() 38995491Sphk * 39095491Sphk * Functions without the "get" prefix returns the best timestamp 39195491Sphk * we can produce in the given format. 39295491Sphk * 39395491Sphk * "bin" == struct bintime == seconds + 64 bit fraction of seconds. 39495491Sphk * "nano" == struct timespec == seconds + nanoseconds. 39595491Sphk * "micro" == struct timeval == seconds + microseconds. 396239973Sed * 39795491Sphk * Functions containing "up" returns time relative to boot and 39895491Sphk * should be used for calculating time intervals. 39995491Sphk * 40095491Sphk * Functions without "up" returns GMT time. 40195491Sphk * 40295491Sphk * Functions with the "get" prefix returns a less precise result 40395491Sphk * much faster than the functions without "get" prefix and should 404198570Sru * be used where a precision of 1/hz seconds is acceptable or where 405239973Sed * performance is priority. (NB: "precision", _not_ "resolution" !) 40695491Sphk */ 40795491Sphk 40890362Sphkvoid binuptime(struct bintime *bt); 40995817Sphkvoid nanouptime(struct timespec *tsp); 41095817Sphkvoid microuptime(struct timeval *tvp); 41195491Sphk 412247452Smavstatic __inline sbintime_t 413247452Smavsbinuptime(void) 414247452Smav{ 415255135Sdavide struct bintime _bt; 416247452Smav 417255135Sdavide binuptime(&_bt); 418255135Sdavide return (bttosbt(_bt)); 419247452Smav} 420247452Smav 42190362Sphkvoid bintime(struct bintime *bt); 42295817Sphkvoid nanotime(struct timespec *tsp); 42395817Sphkvoid microtime(struct timeval *tvp); 42495491Sphk 42595491Sphkvoid getbinuptime(struct bintime *bt); 42695491Sphkvoid getnanouptime(struct timespec *tsp); 42795817Sphkvoid getmicrouptime(struct timeval *tvp); 42895491Sphk 429247452Smavstatic __inline sbintime_t 430247452Smavgetsbinuptime(void) 431247452Smav{ 432255135Sdavide struct bintime _bt; 433247452Smav 434255135Sdavide getbinuptime(&_bt); 435255135Sdavide return (bttosbt(_bt)); 436247452Smav} 437247452Smav 43895491Sphkvoid getbintime(struct bintime *bt); 43995491Sphkvoid getnanotime(struct timespec *tsp); 44095817Sphkvoid getmicrotime(struct timeval *tvp); 44195491Sphk 44295817Sphk/* Other functions */ 44392719Salfredint itimerdecr(struct itimerval *itp, int usec); 44492719Salfredint itimerfix(struct timeval *tv); 445108142Ssamint ppsratecheck(struct timeval *, int *, int); 446108142Ssamint ratecheck(struct timeval *, const struct timeval *); 447121523Salfredvoid timevaladd(struct timeval *t1, const struct timeval *t2); 448121523Salfredvoid timevalsub(struct timeval *t1, const struct timeval *t2); 44995817Sphkint tvtohz(struct timeval *tv); 450247777Sdavide 451247777Sdavide#define TC_DEFAULTPERC 5 452247777Sdavide 453247777Sdavide#define BT2FREQ(bt) \ 454247777Sdavide (((uint64_t)0x8000000000000000 + ((bt)->frac >> 2)) / \ 455247777Sdavide ((bt)->frac >> 1)) 456247777Sdavide 457247777Sdavide#define SBT2FREQ(sbt) ((SBT_1S + ((sbt) >> 1)) / (sbt)) 458247777Sdavide 459247777Sdavide#define FREQ2BT(freq, bt) \ 460247777Sdavide{ \ 461247777Sdavide (bt)->sec = 0; \ 462247777Sdavide (bt)->frac = ((uint64_t)0x8000000000000000 / (freq)) << 1; \ 463247777Sdavide} 464247777Sdavide 465247777Sdavide#define TIMESEL(sbt, sbt2) \ 466247777Sdavide (((sbt2) >= sbt_timethreshold) ? \ 467247777Sdavide ((*(sbt) = getsbinuptime()), 1) : ((*(sbt) = sbinuptime()), 0)) 468247777Sdavide 46955205Speter#else /* !_KERNEL */ 4701541Srgrimes#include <time.h> 4711541Srgrimes 4721541Srgrimes#include <sys/cdefs.h> 473189821Sdas#include <sys/select.h> 4741541Srgrimes 4751541Srgrimes__BEGIN_DECLS 476189821Sdasint setitimer(int, const struct itimerval *, struct itimerval *); 477189821Sdasint utimes(const char *, const struct timeval *); 478189821Sdas 479189821Sdas#if __BSD_VISIBLE 48092719Salfredint adjtime(const struct timeval *, struct timeval *); 481239347Sdavidxuint clock_getcpuclockid2(id_t, int, clockid_t *); 48292719Salfredint futimes(int, const struct timeval *); 483189821Sdasint futimesat(int, const char *, const struct timeval [2]); 484189821Sdasint lutimes(const char *, const struct timeval *); 485189821Sdasint settimeofday(const struct timeval *, const struct timezone *); 486189821Sdas#endif 487189821Sdas 488189821Sdas#if __XSI_VISIBLE 48992719Salfredint getitimer(int, struct itimerval *); 49092719Salfredint gettimeofday(struct timeval *, struct timezone *); 491189821Sdas#endif 492189821Sdas 4931541Srgrimes__END_DECLS 4941541Srgrimes 49555205Speter#endif /* !_KERNEL */ 4961541Srgrimes 4971541Srgrimes#endif /* !_SYS_TIME_H_ */ 498