17c478bd9Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 2b4203d75SMarcel Telka /* All Rights Reserved */ 37c478bd9Sstevel@tonic-gate 47c478bd9Sstevel@tonic-gate 57c478bd9Sstevel@tonic-gate /* 639de7e40Sdanmcd * Copyright (c) 1982, 1986, 1993 Regents of the University of California. 77c478bd9Sstevel@tonic-gate * All rights reserved. The Berkeley software License Agreement 87c478bd9Sstevel@tonic-gate * specifies the terms and conditions for redistribution. 97c478bd9Sstevel@tonic-gate */ 107c478bd9Sstevel@tonic-gate 117c478bd9Sstevel@tonic-gate /* 12ba3594baSGarrett D'Amore * Copyright 2014 Garrett D'Amore <garrett@damore.org> 13ba3594baSGarrett D'Amore * 14113b131bSEric Saxe * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 157c478bd9Sstevel@tonic-gate * Use is subject to license terms. 16b819cea2SGordon Ross * 17b819cea2SGordon Ross * Copyright 2013 Nexenta Systems, Inc. All rights reserved. 18*b7a77849SAndy Fiddaman * 19*b7a77849SAndy Fiddaman * Copyright 2020 OmniOS Community Edition (OmniOSce) Association. 207c478bd9Sstevel@tonic-gate */ 217c478bd9Sstevel@tonic-gate 22a8f6344fSEli Rosenthal /* 23c12492cfSSebastien Roy * Copyright (c) 2013, 2016 by Delphix. All rights reserved. 24a8f6344fSEli Rosenthal */ 25a8f6344fSEli Rosenthal 267c478bd9Sstevel@tonic-gate #ifndef _SYS_TIME_H 277c478bd9Sstevel@tonic-gate #define _SYS_TIME_H 287c478bd9Sstevel@tonic-gate 297c478bd9Sstevel@tonic-gate #include <sys/feature_tests.h> 307c478bd9Sstevel@tonic-gate 317c478bd9Sstevel@tonic-gate /* 327c478bd9Sstevel@tonic-gate * Structure returned by gettimeofday(2) system call, 337c478bd9Sstevel@tonic-gate * and used in other calls. 347c478bd9Sstevel@tonic-gate */ 357c478bd9Sstevel@tonic-gate 367c478bd9Sstevel@tonic-gate #ifdef __cplusplus 377c478bd9Sstevel@tonic-gate extern "C" { 387c478bd9Sstevel@tonic-gate #endif 397c478bd9Sstevel@tonic-gate 407c478bd9Sstevel@tonic-gate #if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || \ 417c478bd9Sstevel@tonic-gate defined(__EXTENSIONS__) 427c478bd9Sstevel@tonic-gate #ifndef _ASM 437c478bd9Sstevel@tonic-gate 447c478bd9Sstevel@tonic-gate #if !defined(_TIME_T) || __cplusplus >= 199711L 457c478bd9Sstevel@tonic-gate #define _TIME_T 467c478bd9Sstevel@tonic-gate typedef long time_t; /* time of day in seconds */ 477c478bd9Sstevel@tonic-gate #endif /* _TIME_T */ 487c478bd9Sstevel@tonic-gate 497c478bd9Sstevel@tonic-gate #ifndef _SUSECONDS_T 507c478bd9Sstevel@tonic-gate #define _SUSECONDS_T 517c478bd9Sstevel@tonic-gate typedef long suseconds_t; /* signed # of microseconds */ 527c478bd9Sstevel@tonic-gate #endif /* _SUSECONDS_T */ 537c478bd9Sstevel@tonic-gate 547c478bd9Sstevel@tonic-gate struct timeval { 557c478bd9Sstevel@tonic-gate time_t tv_sec; /* seconds */ 567c478bd9Sstevel@tonic-gate suseconds_t tv_usec; /* and microseconds */ 577c478bd9Sstevel@tonic-gate }; 587c478bd9Sstevel@tonic-gate 597c478bd9Sstevel@tonic-gate #if defined(_SYSCALL32) 607c478bd9Sstevel@tonic-gate 617c478bd9Sstevel@tonic-gate #include <sys/types32.h> 627c478bd9Sstevel@tonic-gate 637c478bd9Sstevel@tonic-gate #define TIMEVAL32_TO_TIMEVAL(tv, tv32) { \ 647c478bd9Sstevel@tonic-gate (tv)->tv_sec = (time_t)(tv32)->tv_sec; \ 657c478bd9Sstevel@tonic-gate (tv)->tv_usec = (tv32)->tv_usec; \ 667c478bd9Sstevel@tonic-gate } 677c478bd9Sstevel@tonic-gate 687c478bd9Sstevel@tonic-gate #define TIMEVAL_TO_TIMEVAL32(tv32, tv) { \ 697c478bd9Sstevel@tonic-gate (tv32)->tv_sec = (time32_t)(tv)->tv_sec; \ 70336069c2SPatrick Mooney (tv32)->tv_usec = (int32_t)(tv)->tv_usec; \ 717c478bd9Sstevel@tonic-gate } 727c478bd9Sstevel@tonic-gate 737c478bd9Sstevel@tonic-gate #define TIME32_MAX INT32_MAX 747c478bd9Sstevel@tonic-gate #define TIME32_MIN INT32_MIN 757c478bd9Sstevel@tonic-gate 767c478bd9Sstevel@tonic-gate #define TIMEVAL_OVERFLOW(tv) \ 777c478bd9Sstevel@tonic-gate ((tv)->tv_sec < TIME32_MIN || (tv)->tv_sec > TIME32_MAX) 787c478bd9Sstevel@tonic-gate 79b819cea2SGordon Ross #endif /* _SYSCALL32 */ 807c478bd9Sstevel@tonic-gate 817c478bd9Sstevel@tonic-gate #endif /* _ASM */ 827c478bd9Sstevel@tonic-gate #endif /* !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) ... */ 837c478bd9Sstevel@tonic-gate 847c478bd9Sstevel@tonic-gate #if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) 857c478bd9Sstevel@tonic-gate #ifndef _ASM 867c478bd9Sstevel@tonic-gate struct timezone { 877c478bd9Sstevel@tonic-gate int tz_minuteswest; /* minutes west of Greenwich */ 887c478bd9Sstevel@tonic-gate int tz_dsttime; /* type of dst correction */ 897c478bd9Sstevel@tonic-gate }; 907c478bd9Sstevel@tonic-gate 917c478bd9Sstevel@tonic-gate #endif /* _ASM */ 927c478bd9Sstevel@tonic-gate #endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */ 937c478bd9Sstevel@tonic-gate 947c478bd9Sstevel@tonic-gate #ifdef __cplusplus 957c478bd9Sstevel@tonic-gate } 967c478bd9Sstevel@tonic-gate #endif 977c478bd9Sstevel@tonic-gate 987c478bd9Sstevel@tonic-gate /* 997c478bd9Sstevel@tonic-gate * Needed for longlong_t type. Placement of this due to <sys/types.h> 1007c478bd9Sstevel@tonic-gate * including <sys/select.h> which relies on the presense of the itimerval 1017c478bd9Sstevel@tonic-gate * structure. 1027c478bd9Sstevel@tonic-gate */ 1037c478bd9Sstevel@tonic-gate #ifndef _ASM 1047c478bd9Sstevel@tonic-gate #include <sys/types.h> 1057c478bd9Sstevel@tonic-gate #endif /* _ASM */ 1067c478bd9Sstevel@tonic-gate 1077c478bd9Sstevel@tonic-gate #ifdef __cplusplus 1087c478bd9Sstevel@tonic-gate extern "C" { 1097c478bd9Sstevel@tonic-gate #endif 1107c478bd9Sstevel@tonic-gate 1117c478bd9Sstevel@tonic-gate #if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) 1127c478bd9Sstevel@tonic-gate 1137c478bd9Sstevel@tonic-gate #define DST_NONE 0 /* not on dst */ 1147c478bd9Sstevel@tonic-gate #define DST_USA 1 /* USA style dst */ 1157c478bd9Sstevel@tonic-gate #define DST_AUST 2 /* Australian style dst */ 1167c478bd9Sstevel@tonic-gate #define DST_WET 3 /* Western European dst */ 1177c478bd9Sstevel@tonic-gate #define DST_MET 4 /* Middle European dst */ 1187c478bd9Sstevel@tonic-gate #define DST_EET 5 /* Eastern European dst */ 1197c478bd9Sstevel@tonic-gate #define DST_CAN 6 /* Canada */ 1207c478bd9Sstevel@tonic-gate #define DST_GB 7 /* Great Britain and Eire */ 1217c478bd9Sstevel@tonic-gate #define DST_RUM 8 /* Rumania */ 1227c478bd9Sstevel@tonic-gate #define DST_TUR 9 /* Turkey */ 1237c478bd9Sstevel@tonic-gate #define DST_AUSTALT 10 /* Australian style with shift in 1986 */ 1247c478bd9Sstevel@tonic-gate 1257c478bd9Sstevel@tonic-gate /* 1267c478bd9Sstevel@tonic-gate * Operations on timevals. 1277c478bd9Sstevel@tonic-gate */ 1287c478bd9Sstevel@tonic-gate #define timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec) 1297c478bd9Sstevel@tonic-gate #define timercmp(tvp, uvp, cmp) \ 1307c478bd9Sstevel@tonic-gate (((tvp)->tv_sec == (uvp)->tv_sec) ? \ 1317c478bd9Sstevel@tonic-gate /* CSTYLED */ \ 1327c478bd9Sstevel@tonic-gate ((tvp)->tv_usec cmp (uvp)->tv_usec) : \ 1337c478bd9Sstevel@tonic-gate /* CSTYLED */ \ 1347c478bd9Sstevel@tonic-gate ((tvp)->tv_sec cmp (uvp)->tv_sec)) 1357c478bd9Sstevel@tonic-gate 1367c478bd9Sstevel@tonic-gate #define timerclear(tvp) (tvp)->tv_sec = (tvp)->tv_usec = 0 1377c478bd9Sstevel@tonic-gate 13839de7e40Sdanmcd #ifdef __lint 13939de7e40Sdanmcd /* 14039de7e40Sdanmcd * Make innocuous, lint-happy versions until do {} while (0) is acknowleged as 14139de7e40Sdanmcd * lint-safe. If the compiler could know that we always make tv_usec < 1000000 14239de7e40Sdanmcd * we wouldn't need a special linted version. 14339de7e40Sdanmcd */ 14439de7e40Sdanmcd #define timeradd(tvp, uvp, vvp) \ 14539de7e40Sdanmcd do \ 14639de7e40Sdanmcd { \ 14739de7e40Sdanmcd (vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \ 14839de7e40Sdanmcd (vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \ 14939de7e40Sdanmcd if ((vvp)->tv_usec >= 1000000) \ 15039de7e40Sdanmcd { \ 15139de7e40Sdanmcd (vvp)->tv_sec++; \ 15239de7e40Sdanmcd (vvp)->tv_usec -= 1000000; \ 15339de7e40Sdanmcd } \ 15439de7e40Sdanmcd } while ((vvp)->tv_usec >= 1000000) 15539de7e40Sdanmcd #define timersub(tvp, uvp, vvp) \ 15639de7e40Sdanmcd do \ 15739de7e40Sdanmcd { \ 15839de7e40Sdanmcd (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \ 15939de7e40Sdanmcd (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \ 16039de7e40Sdanmcd if ((vvp)->tv_usec < 0) \ 16139de7e40Sdanmcd { \ 16239de7e40Sdanmcd (vvp)->tv_sec--; \ 16339de7e40Sdanmcd (vvp)->tv_usec += 1000000; \ 16439de7e40Sdanmcd } \ 16539de7e40Sdanmcd } while ((vvp)->tv_usec >= 1000000) 16639de7e40Sdanmcd #else 16739de7e40Sdanmcd #define timeradd(tvp, uvp, vvp) \ 16839de7e40Sdanmcd do \ 16939de7e40Sdanmcd { \ 17039de7e40Sdanmcd (vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \ 17139de7e40Sdanmcd (vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \ 17239de7e40Sdanmcd if ((vvp)->tv_usec >= 1000000) \ 17339de7e40Sdanmcd { \ 17439de7e40Sdanmcd (vvp)->tv_sec++; \ 17539de7e40Sdanmcd (vvp)->tv_usec -= 1000000; \ 17639de7e40Sdanmcd } \ 17739de7e40Sdanmcd } while (0) 17839de7e40Sdanmcd 17939de7e40Sdanmcd #define timersub(tvp, uvp, vvp) \ 18039de7e40Sdanmcd do \ 18139de7e40Sdanmcd { \ 18239de7e40Sdanmcd (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \ 18339de7e40Sdanmcd (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \ 18439de7e40Sdanmcd if ((vvp)->tv_usec < 0) \ 18539de7e40Sdanmcd { \ 18639de7e40Sdanmcd (vvp)->tv_sec--; \ 18739de7e40Sdanmcd (vvp)->tv_usec += 1000000; \ 18839de7e40Sdanmcd } \ 18939de7e40Sdanmcd } while (0) 19039de7e40Sdanmcd #endif /* __lint */ 19139de7e40Sdanmcd 1927c478bd9Sstevel@tonic-gate #endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */ 1937c478bd9Sstevel@tonic-gate 1947c478bd9Sstevel@tonic-gate #if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || defined(__EXTENSIONS__) 1957c478bd9Sstevel@tonic-gate /* 1967c478bd9Sstevel@tonic-gate * Names of the interval timers, and structure 1977c478bd9Sstevel@tonic-gate * defining a timer setting. 1987c478bd9Sstevel@tonic-gate */ 1997c478bd9Sstevel@tonic-gate #define ITIMER_REAL 0 /* Decrements in real time */ 2007c478bd9Sstevel@tonic-gate #define ITIMER_VIRTUAL 1 /* Decrements in process virtual time */ 2017c478bd9Sstevel@tonic-gate #define ITIMER_PROF 2 /* Decrements both in process virtual */ 2027c478bd9Sstevel@tonic-gate /* time and when system is running on */ 2037c478bd9Sstevel@tonic-gate /* behalf of the process. */ 2047c478bd9Sstevel@tonic-gate #define ITIMER_REALPROF 3 /* Decrements in real time for real- */ 2057c478bd9Sstevel@tonic-gate /* time profiling of multithreaded */ 2067c478bd9Sstevel@tonic-gate /* programs. */ 2077c478bd9Sstevel@tonic-gate 2087c478bd9Sstevel@tonic-gate #ifndef _ASM 2097c478bd9Sstevel@tonic-gate struct itimerval { 2107c478bd9Sstevel@tonic-gate struct timeval it_interval; /* timer interval */ 2117c478bd9Sstevel@tonic-gate struct timeval it_value; /* current value */ 2127c478bd9Sstevel@tonic-gate }; 2137c478bd9Sstevel@tonic-gate 2147c478bd9Sstevel@tonic-gate #if defined(_SYSCALL32) 2157c478bd9Sstevel@tonic-gate 2167c478bd9Sstevel@tonic-gate struct itimerval32 { 2177c478bd9Sstevel@tonic-gate struct timeval32 it_interval; 2187c478bd9Sstevel@tonic-gate struct timeval32 it_value; 2197c478bd9Sstevel@tonic-gate }; 2207c478bd9Sstevel@tonic-gate 2217c478bd9Sstevel@tonic-gate #define ITIMERVAL32_TO_ITIMERVAL(itv, itv32) { \ 2227c478bd9Sstevel@tonic-gate TIMEVAL32_TO_TIMEVAL(&(itv)->it_interval, &(itv32)->it_interval); \ 2237c478bd9Sstevel@tonic-gate TIMEVAL32_TO_TIMEVAL(&(itv)->it_value, &(itv32)->it_value); \ 2247c478bd9Sstevel@tonic-gate } 2257c478bd9Sstevel@tonic-gate 2267c478bd9Sstevel@tonic-gate #define ITIMERVAL_TO_ITIMERVAL32(itv32, itv) { \ 2277c478bd9Sstevel@tonic-gate TIMEVAL_TO_TIMEVAL32(&(itv32)->it_interval, &(itv)->it_interval); \ 2287c478bd9Sstevel@tonic-gate TIMEVAL_TO_TIMEVAL32(&(itv32)->it_value, &(itv)->it_value); \ 2297c478bd9Sstevel@tonic-gate } 2307c478bd9Sstevel@tonic-gate 2317c478bd9Sstevel@tonic-gate #define ITIMERVAL_OVERFLOW(itv) \ 2327c478bd9Sstevel@tonic-gate (TIMEVAL_OVERFLOW(&(itv)->it_interval) || \ 2337c478bd9Sstevel@tonic-gate TIMEVAL_OVERFLOW(&(itv)->it_value)) 2347c478bd9Sstevel@tonic-gate 2357c478bd9Sstevel@tonic-gate #endif /* _SYSCALL32 */ 2367c478bd9Sstevel@tonic-gate #endif /* _ASM */ 2377c478bd9Sstevel@tonic-gate #endif /* !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) ... */ 2387c478bd9Sstevel@tonic-gate 2397c478bd9Sstevel@tonic-gate 2407c478bd9Sstevel@tonic-gate #if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) 2417c478bd9Sstevel@tonic-gate /* 2427c478bd9Sstevel@tonic-gate * Definitions for commonly used resolutions. 2437c478bd9Sstevel@tonic-gate */ 2447c478bd9Sstevel@tonic-gate #define SEC 1 2457c478bd9Sstevel@tonic-gate #define MILLISEC 1000 2467c478bd9Sstevel@tonic-gate #define MICROSEC 1000000 247b59e2127SJosef 'Jeff' Sipek #define NANOSEC 1000000000LL 2487c478bd9Sstevel@tonic-gate 2490689f76cSAdam Leventhal #define MSEC2NSEC(m) ((hrtime_t)(m) * (NANOSEC / MILLISEC)) 2500689f76cSAdam Leventhal #define NSEC2MSEC(n) ((n) / (NANOSEC / MILLISEC)) 2510689f76cSAdam Leventhal 252c12492cfSSebastien Roy #define USEC2NSEC(m) ((hrtime_t)(m) * (NANOSEC / MICROSEC)) 253c12492cfSSebastien Roy #define NSEC2USEC(n) ((n) / (NANOSEC / MICROSEC)) 2541271e4b1SPrakash Surya 255a8f6344fSEli Rosenthal #define NSEC2SEC(n) ((n) / (NANOSEC / SEC)) 256a8f6344fSEli Rosenthal #define SEC2NSEC(m) ((hrtime_t)(m) * (NANOSEC / SEC)) 257a8f6344fSEli Rosenthal 2587c478bd9Sstevel@tonic-gate #endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */ 2597c478bd9Sstevel@tonic-gate 2607c478bd9Sstevel@tonic-gate #ifndef _ASM 2617c478bd9Sstevel@tonic-gate 2627c478bd9Sstevel@tonic-gate /* 2637c478bd9Sstevel@tonic-gate * Time expressed as a 64-bit nanosecond counter. 2647c478bd9Sstevel@tonic-gate */ 2657c478bd9Sstevel@tonic-gate typedef longlong_t hrtime_t; 2667c478bd9Sstevel@tonic-gate 267b819cea2SGordon Ross #if defined(_KERNEL) || defined(_FAKE_KERNEL) 2687c478bd9Sstevel@tonic-gate 2697c478bd9Sstevel@tonic-gate #include <sys/time_impl.h> 2707c478bd9Sstevel@tonic-gate #include <sys/mutex.h> 2717c478bd9Sstevel@tonic-gate 2727c478bd9Sstevel@tonic-gate extern int tick_per_msec; /* clock ticks per millisecond (may be zero) */ 2737c478bd9Sstevel@tonic-gate extern int msec_per_tick; /* milliseconds per clock tick (may be zero) */ 2747c478bd9Sstevel@tonic-gate extern int usec_per_tick; /* microseconds per clock tick */ 2757c478bd9Sstevel@tonic-gate extern int nsec_per_tick; /* nanoseconds per clock tick */ 2767c478bd9Sstevel@tonic-gate 2777c478bd9Sstevel@tonic-gate /* 2787c478bd9Sstevel@tonic-gate * Macros to convert from common units of time (sec, msec, usec, nsec, 2797c478bd9Sstevel@tonic-gate * timeval, timestruc) to clock ticks and vice versa. 2807c478bd9Sstevel@tonic-gate */ 2817c478bd9Sstevel@tonic-gate #define TICK_TO_SEC(tick) ((tick) / hz) 2827c478bd9Sstevel@tonic-gate #define SEC_TO_TICK(sec) ((sec) * hz) 2837c478bd9Sstevel@tonic-gate 2847c478bd9Sstevel@tonic-gate #define TICK_TO_MSEC(tick) \ 2857c478bd9Sstevel@tonic-gate (msec_per_tick ? (tick) * msec_per_tick : (tick) / tick_per_msec) 2867c478bd9Sstevel@tonic-gate #define MSEC_TO_TICK(msec) \ 2877c478bd9Sstevel@tonic-gate (msec_per_tick ? (msec) / msec_per_tick : (msec) * tick_per_msec) 2887c478bd9Sstevel@tonic-gate #define MSEC_TO_TICK_ROUNDUP(msec) \ 2897c478bd9Sstevel@tonic-gate (msec_per_tick ? \ 2907c478bd9Sstevel@tonic-gate ((msec) == 0 ? 0 : ((msec) - 1) / msec_per_tick + 1) : \ 2917c478bd9Sstevel@tonic-gate (msec) * tick_per_msec) 2927c478bd9Sstevel@tonic-gate 2937c478bd9Sstevel@tonic-gate #define TICK_TO_USEC(tick) ((tick) * usec_per_tick) 2947c478bd9Sstevel@tonic-gate #define USEC_TO_TICK(usec) ((usec) / usec_per_tick) 2957c478bd9Sstevel@tonic-gate #define USEC_TO_TICK_ROUNDUP(usec) \ 2967c478bd9Sstevel@tonic-gate ((usec) == 0 ? 0 : USEC_TO_TICK((usec) - 1) + 1) 2977c478bd9Sstevel@tonic-gate 29887a18d3fSMadhavan Venkataraman #define TICK_TO_NSEC(tick) ((hrtime_t)(tick) * nsec_per_tick) 2997c478bd9Sstevel@tonic-gate #define NSEC_TO_TICK(nsec) ((nsec) / nsec_per_tick) 3007c478bd9Sstevel@tonic-gate #define NSEC_TO_TICK_ROUNDUP(nsec) \ 3017c478bd9Sstevel@tonic-gate ((nsec) == 0 ? 0 : NSEC_TO_TICK((nsec) - 1) + 1) 3027c478bd9Sstevel@tonic-gate 3037c478bd9Sstevel@tonic-gate #define TICK_TO_TIMEVAL(tick, tvp) { \ 3047c478bd9Sstevel@tonic-gate clock_t __tmptck = (tick); \ 3057c478bd9Sstevel@tonic-gate (tvp)->tv_sec = TICK_TO_SEC(__tmptck); \ 3067c478bd9Sstevel@tonic-gate (tvp)->tv_usec = TICK_TO_USEC(__tmptck - SEC_TO_TICK((tvp)->tv_sec)); \ 3077c478bd9Sstevel@tonic-gate } 3087c478bd9Sstevel@tonic-gate 3097c478bd9Sstevel@tonic-gate #define TICK_TO_TIMEVAL32(tick, tvp) { \ 3107c478bd9Sstevel@tonic-gate clock_t __tmptck = (tick); \ 3117c478bd9Sstevel@tonic-gate time_t __tmptm = TICK_TO_SEC(__tmptck); \ 3127c478bd9Sstevel@tonic-gate (tvp)->tv_sec = (time32_t)__tmptm; \ 3137c478bd9Sstevel@tonic-gate (tvp)->tv_usec = TICK_TO_USEC(__tmptck - SEC_TO_TICK(__tmptm)); \ 3147c478bd9Sstevel@tonic-gate } 3157c478bd9Sstevel@tonic-gate 3167c478bd9Sstevel@tonic-gate #define TICK_TO_TIMESTRUC(tick, tsp) { \ 3177c478bd9Sstevel@tonic-gate clock_t __tmptck = (tick); \ 3187c478bd9Sstevel@tonic-gate (tsp)->tv_sec = TICK_TO_SEC(__tmptck); \ 3197c478bd9Sstevel@tonic-gate (tsp)->tv_nsec = TICK_TO_NSEC(__tmptck - SEC_TO_TICK((tsp)->tv_sec)); \ 3207c478bd9Sstevel@tonic-gate } 3217c478bd9Sstevel@tonic-gate 3227c478bd9Sstevel@tonic-gate #define TICK_TO_TIMESTRUC32(tick, tsp) { \ 3237c478bd9Sstevel@tonic-gate clock_t __tmptck = (tick); \ 3247c478bd9Sstevel@tonic-gate time_t __tmptm = TICK_TO_SEC(__tmptck); \ 3257c478bd9Sstevel@tonic-gate (tsp)->tv_sec = (time32_t)__tmptm; \ 3267c478bd9Sstevel@tonic-gate (tsp)->tv_nsec = TICK_TO_NSEC(__tmptck - SEC_TO_TICK(__tmptm)); \ 3277c478bd9Sstevel@tonic-gate } 3287c478bd9Sstevel@tonic-gate 3297c478bd9Sstevel@tonic-gate #define TIMEVAL_TO_TICK(tvp) \ 3307c478bd9Sstevel@tonic-gate (SEC_TO_TICK((tvp)->tv_sec) + USEC_TO_TICK((tvp)->tv_usec)) 3317c478bd9Sstevel@tonic-gate 3327c478bd9Sstevel@tonic-gate #define TIMESTRUC_TO_TICK(tsp) \ 3337c478bd9Sstevel@tonic-gate (SEC_TO_TICK((tsp)->tv_sec) + NSEC_TO_TICK((tsp)->tv_nsec)) 3347c478bd9Sstevel@tonic-gate 3357c478bd9Sstevel@tonic-gate typedef struct todinfo { 3367c478bd9Sstevel@tonic-gate int tod_sec; /* seconds 0-59 */ 3377c478bd9Sstevel@tonic-gate int tod_min; /* minutes 0-59 */ 3387c478bd9Sstevel@tonic-gate int tod_hour; /* hours 0-23 */ 3397c478bd9Sstevel@tonic-gate int tod_dow; /* day of week 1-7 */ 3407c478bd9Sstevel@tonic-gate int tod_day; /* day of month 1-31 */ 3417c478bd9Sstevel@tonic-gate int tod_month; /* month 1-12 */ 3427c478bd9Sstevel@tonic-gate int tod_year; /* year 70+ */ 3437c478bd9Sstevel@tonic-gate } todinfo_t; 3447c478bd9Sstevel@tonic-gate 3457c478bd9Sstevel@tonic-gate extern int64_t timedelta; 3463348528fSdm extern int timechanged; 3477c478bd9Sstevel@tonic-gate extern int tod_needsync; 3487c478bd9Sstevel@tonic-gate extern kmutex_t tod_lock; 349b5b48cc1Ssudheer extern volatile timestruc_t hrestime; 3507c478bd9Sstevel@tonic-gate extern hrtime_t hres_last_tick; 3517c478bd9Sstevel@tonic-gate extern int64_t hrestime_adj; 3527c478bd9Sstevel@tonic-gate extern uint_t adj_shift; 3537c478bd9Sstevel@tonic-gate 3547c478bd9Sstevel@tonic-gate extern timestruc_t tod_get(void); 3557c478bd9Sstevel@tonic-gate extern void tod_set(timestruc_t); 3567c478bd9Sstevel@tonic-gate extern void set_hrestime(timestruc_t *); 3577c478bd9Sstevel@tonic-gate extern todinfo_t utc_to_tod(time_t); 3587c478bd9Sstevel@tonic-gate extern time_t tod_to_utc(todinfo_t); 3597c478bd9Sstevel@tonic-gate extern int hr_clock_lock(void); 3607c478bd9Sstevel@tonic-gate extern void hr_clock_unlock(int); 361*b7a77849SAndy Fiddaman extern hrtime_t gethrtime(void); 362*b7a77849SAndy Fiddaman extern hrtime_t gethrtime_unscaled(void); 3637c478bd9Sstevel@tonic-gate extern hrtime_t gethrtime_max(void); 3647c478bd9Sstevel@tonic-gate extern hrtime_t gethrtime_waitfree(void); 3657c478bd9Sstevel@tonic-gate extern void scalehrtime(hrtime_t *); 366113b131bSEric Saxe extern uint64_t unscalehrtime(hrtime_t); 367*b7a77849SAndy Fiddaman extern void gethrestime(timespec_t *); 368*b7a77849SAndy Fiddaman extern time_t gethrestime_sec(void); 3697c478bd9Sstevel@tonic-gate extern void gethrestime_lasttick(timespec_t *); 3707c478bd9Sstevel@tonic-gate extern void hrt2ts(hrtime_t, timestruc_t *); 3717c478bd9Sstevel@tonic-gate extern hrtime_t ts2hrt(const timestruc_t *); 3727c478bd9Sstevel@tonic-gate extern void hrt2tv(hrtime_t, struct timeval *); 3737c478bd9Sstevel@tonic-gate extern hrtime_t tv2hrt(struct timeval *); 3747c478bd9Sstevel@tonic-gate extern int itimerfix(struct timeval *, int); 3757c478bd9Sstevel@tonic-gate extern int itimerdecr(struct itimerval *, int); 3767c478bd9Sstevel@tonic-gate extern void timevaladd(struct timeval *, struct timeval *); 3777c478bd9Sstevel@tonic-gate extern void timevalsub(struct timeval *, struct timeval *); 3787c478bd9Sstevel@tonic-gate extern void timevalfix(struct timeval *); 3797c478bd9Sstevel@tonic-gate extern void dtrace_hres_tick(void); 3807c478bd9Sstevel@tonic-gate 381d3d50737SRafael Vanoni extern clock_t ddi_get_lbolt(void); 382d3d50737SRafael Vanoni extern int64_t ddi_get_lbolt64(void); 383d3d50737SRafael Vanoni 3847c478bd9Sstevel@tonic-gate #if defined(_SYSCALL32) 3857c478bd9Sstevel@tonic-gate extern void hrt2ts32(hrtime_t, timestruc32_t *); 3867c478bd9Sstevel@tonic-gate #endif 3877c478bd9Sstevel@tonic-gate 3887c478bd9Sstevel@tonic-gate #endif /* _KERNEL */ 3897c478bd9Sstevel@tonic-gate 3907c478bd9Sstevel@tonic-gate #if !defined(_KERNEL) && !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) 3917c478bd9Sstevel@tonic-gate int adjtime(struct timeval *, struct timeval *); 3927c478bd9Sstevel@tonic-gate #endif /* !defined(_KERNEL) && !defined(__XOPEN_OR_POSIX) ... */ 3937c478bd9Sstevel@tonic-gate 3947c478bd9Sstevel@tonic-gate #if !defined(_KERNEL) && !defined(__XOPEN_OR_POSIX) || \ 3957c478bd9Sstevel@tonic-gate defined(_ATFILE_SOURCE) || defined(__EXTENSIONS__) 3967c478bd9Sstevel@tonic-gate int futimesat(int, const char *, const struct timeval *); 3977c478bd9Sstevel@tonic-gate #endif /* defined(__ATFILE_SOURCE) */ 3987c478bd9Sstevel@tonic-gate 3997c478bd9Sstevel@tonic-gate #if !defined(_KERNEL) && !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || \ 4007c478bd9Sstevel@tonic-gate defined(__EXTENSIONS__) 4017c478bd9Sstevel@tonic-gate 4027c478bd9Sstevel@tonic-gate int getitimer(int, struct itimerval *); 4037c478bd9Sstevel@tonic-gate int utimes(const char *, const struct timeval *); 404*b7a77849SAndy Fiddaman 4057c478bd9Sstevel@tonic-gate #if defined(_XPG4_2) 4067c478bd9Sstevel@tonic-gate int setitimer(int, const struct itimerval *_RESTRICT_KYWD, 4077c478bd9Sstevel@tonic-gate struct itimerval *_RESTRICT_KYWD); 4087c478bd9Sstevel@tonic-gate #else 4097c478bd9Sstevel@tonic-gate int setitimer(int, struct itimerval *_RESTRICT_KYWD, 4107c478bd9Sstevel@tonic-gate struct itimerval *_RESTRICT_KYWD); 4117c478bd9Sstevel@tonic-gate #endif /* defined(_XPG2_2) */ 4127c478bd9Sstevel@tonic-gate 4137c478bd9Sstevel@tonic-gate #endif /* !defined(_KERNEL) ... defined(_XPG4_2) */ 4147c478bd9Sstevel@tonic-gate 415*b7a77849SAndy Fiddaman #if !defined(_KERNEL) && !defined(_STRICT_SYMBOLS) 416*b7a77849SAndy Fiddaman int futimes(int, const struct timeval *); 417*b7a77849SAndy Fiddaman int lutimes(const char *, const struct timeval *); 418*b7a77849SAndy Fiddaman 419*b7a77849SAndy Fiddaman #define TIMESPEC_TO_TIMEVAL(tv, ts) { \ 420*b7a77849SAndy Fiddaman (tv)->tv_sec = (ts)->tv_sec; \ 421*b7a77849SAndy Fiddaman (tv)->tv_usec = (ts)->tv_nsec / 1000; \ 422*b7a77849SAndy Fiddaman } 423*b7a77849SAndy Fiddaman 424*b7a77849SAndy Fiddaman #define TIMEVAL_TO_TIMESPEC(tv, ts) { \ 425*b7a77849SAndy Fiddaman (ts)->tv_sec = (tv)->tv_sec; \ 426*b7a77849SAndy Fiddaman (ts)->tv_nsec = (tv)->tv_usec * 1000; \ 427*b7a77849SAndy Fiddaman } 428*b7a77849SAndy Fiddaman 429*b7a77849SAndy Fiddaman #endif /* !defined(_KERNEL) && !defined(_STRICT_SYMBOLS) */ 430*b7a77849SAndy Fiddaman 4317c478bd9Sstevel@tonic-gate /* 4327c478bd9Sstevel@tonic-gate * gettimeofday() and settimeofday() were included in SVr4 due to their 4337c478bd9Sstevel@tonic-gate * common use in BSD based applications. They were to be included exactly 4347c478bd9Sstevel@tonic-gate * as in BSD, with two parameters. However, AT&T/USL noted that the second 4357c478bd9Sstevel@tonic-gate * parameter was unused and deleted it, thereby making a routine included 4367c478bd9Sstevel@tonic-gate * for compatibility, incompatible. 4377c478bd9Sstevel@tonic-gate * 4387c478bd9Sstevel@tonic-gate * XSH4.2 (spec 1170) defines gettimeofday and settimeofday to have two 4397c478bd9Sstevel@tonic-gate * parameters. 4407c478bd9Sstevel@tonic-gate * 4417c478bd9Sstevel@tonic-gate * This has caused general disagreement in the application community as to 4427c478bd9Sstevel@tonic-gate * the syntax of these routines. Solaris defaults to the XSH4.2 definition. 4437c478bd9Sstevel@tonic-gate * The flag _SVID_GETTOD may be used to force the SVID version. 4447c478bd9Sstevel@tonic-gate */ 4457c478bd9Sstevel@tonic-gate #if !defined(_KERNEL) && !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) 4467c478bd9Sstevel@tonic-gate 4477c478bd9Sstevel@tonic-gate #if defined(_SVID_GETTOD) 4487c478bd9Sstevel@tonic-gate int settimeofday(struct timeval *); 4497c478bd9Sstevel@tonic-gate #else 4507c478bd9Sstevel@tonic-gate int settimeofday(struct timeval *, void *); 4517c478bd9Sstevel@tonic-gate #endif 4527c478bd9Sstevel@tonic-gate hrtime_t gethrtime(void); 4537c478bd9Sstevel@tonic-gate hrtime_t gethrvtime(void); 4547c478bd9Sstevel@tonic-gate 4557c478bd9Sstevel@tonic-gate #endif /* !(defined _KERNEL) && !defined(__XOPEN_OR_POSIX) ... */ 4567c478bd9Sstevel@tonic-gate 4577c478bd9Sstevel@tonic-gate #if !defined(_KERNEL) && !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || \ 4587c478bd9Sstevel@tonic-gate defined(__EXTENSIONS__) 4597c478bd9Sstevel@tonic-gate 4607c478bd9Sstevel@tonic-gate #if defined(_SVID_GETTOD) 4617c478bd9Sstevel@tonic-gate int gettimeofday(struct timeval *); 4627c478bd9Sstevel@tonic-gate #else 4637c478bd9Sstevel@tonic-gate int gettimeofday(struct timeval *_RESTRICT_KYWD, void *_RESTRICT_KYWD); 4647c478bd9Sstevel@tonic-gate #endif 4657c478bd9Sstevel@tonic-gate 4667c478bd9Sstevel@tonic-gate #endif /* !defined(_KERNEL) && !defined(__XOPEN_OR_POSIX) ... */ 4677c478bd9Sstevel@tonic-gate 4687c478bd9Sstevel@tonic-gate /* 4697c478bd9Sstevel@tonic-gate * The inclusion of <time.h> is historical and was added for 4707c478bd9Sstevel@tonic-gate * backward compatibility in delta 1.2 when a number of definitions 4717c478bd9Sstevel@tonic-gate * were moved out of <sys/time.h>. More recently, the timespec and 4727c478bd9Sstevel@tonic-gate * itimerspec structure definitions, along with the _CLOCK_*, CLOCK_*, 4737c478bd9Sstevel@tonic-gate * _TIMER_*, and TIMER_* symbols were moved to <sys/time_impl.h>, 4747c478bd9Sstevel@tonic-gate * which is now included by <time.h>. This change was due to POSIX 4757c478bd9Sstevel@tonic-gate * 1003.1b-1993 and X/Open UNIX 98 requirements. For non-POSIX and 4767c478bd9Sstevel@tonic-gate * non-X/Open applications, including this header will still make 4777c478bd9Sstevel@tonic-gate * visible these definitions. 4787c478bd9Sstevel@tonic-gate */ 479b819cea2SGordon Ross #if !defined(_BOOT) && !defined(_KERNEL) && !defined(_FAKE_KERNEL) && \ 480ae115bc7Smrj !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) 4817c478bd9Sstevel@tonic-gate #include <time.h> 4827c478bd9Sstevel@tonic-gate #endif 4837c478bd9Sstevel@tonic-gate 4847c478bd9Sstevel@tonic-gate /* 4857c478bd9Sstevel@tonic-gate * The inclusion of <sys/select.h> is needed for the FD_CLR, 4867c478bd9Sstevel@tonic-gate * FD_ISSET, FD_SET, and FD_SETSIZE macros as well as the 4877c478bd9Sstevel@tonic-gate * select() prototype defined in the XOpen specifications 4887c478bd9Sstevel@tonic-gate * beginning with XSH4v2. Placement required after definition 4897c478bd9Sstevel@tonic-gate * for itimerval. 4907c478bd9Sstevel@tonic-gate */ 491b819cea2SGordon Ross #if !defined(_KERNEL) && !defined(_FAKE_KERNEL) && \ 492b819cea2SGordon Ross !defined(__XOPEN_OR_POSIX) || \ 493b819cea2SGordon Ross defined(_XPG4_2) || defined(__EXTENSIONS__) 4947c478bd9Sstevel@tonic-gate #include <sys/select.h> 4957c478bd9Sstevel@tonic-gate #endif 4967c478bd9Sstevel@tonic-gate 4977c478bd9Sstevel@tonic-gate #endif /* _ASM */ 4987c478bd9Sstevel@tonic-gate 4997c478bd9Sstevel@tonic-gate #ifdef __cplusplus 5007c478bd9Sstevel@tonic-gate } 5017c478bd9Sstevel@tonic-gate #endif 5027c478bd9Sstevel@tonic-gate 5037c478bd9Sstevel@tonic-gate #endif /* _SYS_TIME_H */ 504