17c478bd9Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 27c478bd9Sstevel@tonic-gate /* 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. 16*b819cea2SGordon Ross * 17*b819cea2SGordon Ross * Copyright 2013 Nexenta Systems, Inc. All rights reserved. 187c478bd9Sstevel@tonic-gate */ 197c478bd9Sstevel@tonic-gate 207c478bd9Sstevel@tonic-gate #ifndef _SYS_TIME_H 217c478bd9Sstevel@tonic-gate #define _SYS_TIME_H 227c478bd9Sstevel@tonic-gate 237c478bd9Sstevel@tonic-gate #include <sys/feature_tests.h> 247c478bd9Sstevel@tonic-gate 257c478bd9Sstevel@tonic-gate /* 267c478bd9Sstevel@tonic-gate * Structure returned by gettimeofday(2) system call, 277c478bd9Sstevel@tonic-gate * and used in other calls. 287c478bd9Sstevel@tonic-gate */ 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate #ifdef __cplusplus 317c478bd9Sstevel@tonic-gate extern "C" { 327c478bd9Sstevel@tonic-gate #endif 337c478bd9Sstevel@tonic-gate 347c478bd9Sstevel@tonic-gate #if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || \ 357c478bd9Sstevel@tonic-gate defined(__EXTENSIONS__) 367c478bd9Sstevel@tonic-gate #ifndef _ASM 377c478bd9Sstevel@tonic-gate 387c478bd9Sstevel@tonic-gate #if !defined(_TIME_T) || __cplusplus >= 199711L 397c478bd9Sstevel@tonic-gate #define _TIME_T 407c478bd9Sstevel@tonic-gate typedef long time_t; /* time of day in seconds */ 417c478bd9Sstevel@tonic-gate #endif /* _TIME_T */ 427c478bd9Sstevel@tonic-gate 437c478bd9Sstevel@tonic-gate #ifndef _SUSECONDS_T 447c478bd9Sstevel@tonic-gate #define _SUSECONDS_T 457c478bd9Sstevel@tonic-gate typedef long suseconds_t; /* signed # of microseconds */ 467c478bd9Sstevel@tonic-gate #endif /* _SUSECONDS_T */ 477c478bd9Sstevel@tonic-gate 487c478bd9Sstevel@tonic-gate struct timeval { 497c478bd9Sstevel@tonic-gate time_t tv_sec; /* seconds */ 507c478bd9Sstevel@tonic-gate suseconds_t tv_usec; /* and microseconds */ 517c478bd9Sstevel@tonic-gate }; 527c478bd9Sstevel@tonic-gate 537c478bd9Sstevel@tonic-gate #if defined(_SYSCALL32) 547c478bd9Sstevel@tonic-gate 557c478bd9Sstevel@tonic-gate #include <sys/types32.h> 567c478bd9Sstevel@tonic-gate 577c478bd9Sstevel@tonic-gate #define TIMEVAL32_TO_TIMEVAL(tv, tv32) { \ 587c478bd9Sstevel@tonic-gate (tv)->tv_sec = (time_t)(tv32)->tv_sec; \ 597c478bd9Sstevel@tonic-gate (tv)->tv_usec = (tv32)->tv_usec; \ 607c478bd9Sstevel@tonic-gate } 617c478bd9Sstevel@tonic-gate 627c478bd9Sstevel@tonic-gate #define TIMEVAL_TO_TIMEVAL32(tv32, tv) { \ 637c478bd9Sstevel@tonic-gate (tv32)->tv_sec = (time32_t)(tv)->tv_sec; \ 64336069c2SPatrick Mooney (tv32)->tv_usec = (int32_t)(tv)->tv_usec; \ 657c478bd9Sstevel@tonic-gate } 667c478bd9Sstevel@tonic-gate 677c478bd9Sstevel@tonic-gate #define TIME32_MAX INT32_MAX 687c478bd9Sstevel@tonic-gate #define TIME32_MIN INT32_MIN 697c478bd9Sstevel@tonic-gate 707c478bd9Sstevel@tonic-gate #define TIMEVAL_OVERFLOW(tv) \ 717c478bd9Sstevel@tonic-gate ((tv)->tv_sec < TIME32_MIN || (tv)->tv_sec > TIME32_MAX) 727c478bd9Sstevel@tonic-gate 73*b819cea2SGordon Ross #endif /* _SYSCALL32 */ 747c478bd9Sstevel@tonic-gate 757c478bd9Sstevel@tonic-gate #endif /* _ASM */ 767c478bd9Sstevel@tonic-gate #endif /* !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) ... */ 777c478bd9Sstevel@tonic-gate 787c478bd9Sstevel@tonic-gate #if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) 797c478bd9Sstevel@tonic-gate #ifndef _ASM 807c478bd9Sstevel@tonic-gate struct timezone { 817c478bd9Sstevel@tonic-gate int tz_minuteswest; /* minutes west of Greenwich */ 827c478bd9Sstevel@tonic-gate int tz_dsttime; /* type of dst correction */ 837c478bd9Sstevel@tonic-gate }; 847c478bd9Sstevel@tonic-gate 857c478bd9Sstevel@tonic-gate #endif /* _ASM */ 867c478bd9Sstevel@tonic-gate #endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */ 877c478bd9Sstevel@tonic-gate 887c478bd9Sstevel@tonic-gate #ifdef __cplusplus 897c478bd9Sstevel@tonic-gate } 907c478bd9Sstevel@tonic-gate #endif 917c478bd9Sstevel@tonic-gate 927c478bd9Sstevel@tonic-gate /* 937c478bd9Sstevel@tonic-gate * Needed for longlong_t type. Placement of this due to <sys/types.h> 947c478bd9Sstevel@tonic-gate * including <sys/select.h> which relies on the presense of the itimerval 957c478bd9Sstevel@tonic-gate * structure. 967c478bd9Sstevel@tonic-gate */ 977c478bd9Sstevel@tonic-gate #ifndef _ASM 987c478bd9Sstevel@tonic-gate #include <sys/types.h> 997c478bd9Sstevel@tonic-gate #endif /* _ASM */ 1007c478bd9Sstevel@tonic-gate 1017c478bd9Sstevel@tonic-gate #ifdef __cplusplus 1027c478bd9Sstevel@tonic-gate extern "C" { 1037c478bd9Sstevel@tonic-gate #endif 1047c478bd9Sstevel@tonic-gate 1057c478bd9Sstevel@tonic-gate #if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) 1067c478bd9Sstevel@tonic-gate 1077c478bd9Sstevel@tonic-gate #define DST_NONE 0 /* not on dst */ 1087c478bd9Sstevel@tonic-gate #define DST_USA 1 /* USA style dst */ 1097c478bd9Sstevel@tonic-gate #define DST_AUST 2 /* Australian style dst */ 1107c478bd9Sstevel@tonic-gate #define DST_WET 3 /* Western European dst */ 1117c478bd9Sstevel@tonic-gate #define DST_MET 4 /* Middle European dst */ 1127c478bd9Sstevel@tonic-gate #define DST_EET 5 /* Eastern European dst */ 1137c478bd9Sstevel@tonic-gate #define DST_CAN 6 /* Canada */ 1147c478bd9Sstevel@tonic-gate #define DST_GB 7 /* Great Britain and Eire */ 1157c478bd9Sstevel@tonic-gate #define DST_RUM 8 /* Rumania */ 1167c478bd9Sstevel@tonic-gate #define DST_TUR 9 /* Turkey */ 1177c478bd9Sstevel@tonic-gate #define DST_AUSTALT 10 /* Australian style with shift in 1986 */ 1187c478bd9Sstevel@tonic-gate 1197c478bd9Sstevel@tonic-gate /* 1207c478bd9Sstevel@tonic-gate * Operations on timevals. 1217c478bd9Sstevel@tonic-gate */ 1227c478bd9Sstevel@tonic-gate #define timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec) 1237c478bd9Sstevel@tonic-gate #define timercmp(tvp, uvp, cmp) \ 1247c478bd9Sstevel@tonic-gate (((tvp)->tv_sec == (uvp)->tv_sec) ? \ 1257c478bd9Sstevel@tonic-gate /* CSTYLED */ \ 1267c478bd9Sstevel@tonic-gate ((tvp)->tv_usec cmp (uvp)->tv_usec) : \ 1277c478bd9Sstevel@tonic-gate /* CSTYLED */ \ 1287c478bd9Sstevel@tonic-gate ((tvp)->tv_sec cmp (uvp)->tv_sec)) 1297c478bd9Sstevel@tonic-gate 1307c478bd9Sstevel@tonic-gate #define timerclear(tvp) (tvp)->tv_sec = (tvp)->tv_usec = 0 1317c478bd9Sstevel@tonic-gate 13239de7e40Sdanmcd #ifdef __lint 13339de7e40Sdanmcd /* 13439de7e40Sdanmcd * Make innocuous, lint-happy versions until do {} while (0) is acknowleged as 13539de7e40Sdanmcd * lint-safe. If the compiler could know that we always make tv_usec < 1000000 13639de7e40Sdanmcd * we wouldn't need a special linted version. 13739de7e40Sdanmcd */ 13839de7e40Sdanmcd #define timeradd(tvp, uvp, vvp) \ 13939de7e40Sdanmcd do \ 14039de7e40Sdanmcd { \ 14139de7e40Sdanmcd (vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \ 14239de7e40Sdanmcd (vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \ 14339de7e40Sdanmcd if ((vvp)->tv_usec >= 1000000) \ 14439de7e40Sdanmcd { \ 14539de7e40Sdanmcd (vvp)->tv_sec++; \ 14639de7e40Sdanmcd (vvp)->tv_usec -= 1000000; \ 14739de7e40Sdanmcd } \ 14839de7e40Sdanmcd } while ((vvp)->tv_usec >= 1000000) 14939de7e40Sdanmcd #define timersub(tvp, uvp, vvp) \ 15039de7e40Sdanmcd do \ 15139de7e40Sdanmcd { \ 15239de7e40Sdanmcd (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \ 15339de7e40Sdanmcd (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \ 15439de7e40Sdanmcd if ((vvp)->tv_usec < 0) \ 15539de7e40Sdanmcd { \ 15639de7e40Sdanmcd (vvp)->tv_sec--; \ 15739de7e40Sdanmcd (vvp)->tv_usec += 1000000; \ 15839de7e40Sdanmcd } \ 15939de7e40Sdanmcd } while ((vvp)->tv_usec >= 1000000) 16039de7e40Sdanmcd #else 16139de7e40Sdanmcd #define timeradd(tvp, uvp, vvp) \ 16239de7e40Sdanmcd do \ 16339de7e40Sdanmcd { \ 16439de7e40Sdanmcd (vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \ 16539de7e40Sdanmcd (vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \ 16639de7e40Sdanmcd if ((vvp)->tv_usec >= 1000000) \ 16739de7e40Sdanmcd { \ 16839de7e40Sdanmcd (vvp)->tv_sec++; \ 16939de7e40Sdanmcd (vvp)->tv_usec -= 1000000; \ 17039de7e40Sdanmcd } \ 17139de7e40Sdanmcd } while (0) 17239de7e40Sdanmcd 17339de7e40Sdanmcd #define timersub(tvp, uvp, vvp) \ 17439de7e40Sdanmcd do \ 17539de7e40Sdanmcd { \ 17639de7e40Sdanmcd (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \ 17739de7e40Sdanmcd (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \ 17839de7e40Sdanmcd if ((vvp)->tv_usec < 0) \ 17939de7e40Sdanmcd { \ 18039de7e40Sdanmcd (vvp)->tv_sec--; \ 18139de7e40Sdanmcd (vvp)->tv_usec += 1000000; \ 18239de7e40Sdanmcd } \ 18339de7e40Sdanmcd } while (0) 18439de7e40Sdanmcd #endif /* __lint */ 18539de7e40Sdanmcd 1867c478bd9Sstevel@tonic-gate #endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */ 1877c478bd9Sstevel@tonic-gate 1887c478bd9Sstevel@tonic-gate #if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || defined(__EXTENSIONS__) 1897c478bd9Sstevel@tonic-gate /* 1907c478bd9Sstevel@tonic-gate * Names of the interval timers, and structure 1917c478bd9Sstevel@tonic-gate * defining a timer setting. 1927c478bd9Sstevel@tonic-gate */ 1937c478bd9Sstevel@tonic-gate #define ITIMER_REAL 0 /* Decrements in real time */ 1947c478bd9Sstevel@tonic-gate #define ITIMER_VIRTUAL 1 /* Decrements in process virtual time */ 1957c478bd9Sstevel@tonic-gate #define ITIMER_PROF 2 /* Decrements both in process virtual */ 1967c478bd9Sstevel@tonic-gate /* time and when system is running on */ 1977c478bd9Sstevel@tonic-gate /* behalf of the process. */ 1987c478bd9Sstevel@tonic-gate #define ITIMER_REALPROF 3 /* Decrements in real time for real- */ 1997c478bd9Sstevel@tonic-gate /* time profiling of multithreaded */ 2007c478bd9Sstevel@tonic-gate /* programs. */ 2017c478bd9Sstevel@tonic-gate 2027c478bd9Sstevel@tonic-gate #ifndef _ASM 2037c478bd9Sstevel@tonic-gate struct itimerval { 2047c478bd9Sstevel@tonic-gate struct timeval it_interval; /* timer interval */ 2057c478bd9Sstevel@tonic-gate struct timeval it_value; /* current value */ 2067c478bd9Sstevel@tonic-gate }; 2077c478bd9Sstevel@tonic-gate 2087c478bd9Sstevel@tonic-gate #if defined(_SYSCALL32) 2097c478bd9Sstevel@tonic-gate 2107c478bd9Sstevel@tonic-gate struct itimerval32 { 2117c478bd9Sstevel@tonic-gate struct timeval32 it_interval; 2127c478bd9Sstevel@tonic-gate struct timeval32 it_value; 2137c478bd9Sstevel@tonic-gate }; 2147c478bd9Sstevel@tonic-gate 2157c478bd9Sstevel@tonic-gate #define ITIMERVAL32_TO_ITIMERVAL(itv, itv32) { \ 2167c478bd9Sstevel@tonic-gate TIMEVAL32_TO_TIMEVAL(&(itv)->it_interval, &(itv32)->it_interval); \ 2177c478bd9Sstevel@tonic-gate TIMEVAL32_TO_TIMEVAL(&(itv)->it_value, &(itv32)->it_value); \ 2187c478bd9Sstevel@tonic-gate } 2197c478bd9Sstevel@tonic-gate 2207c478bd9Sstevel@tonic-gate #define ITIMERVAL_TO_ITIMERVAL32(itv32, itv) { \ 2217c478bd9Sstevel@tonic-gate TIMEVAL_TO_TIMEVAL32(&(itv32)->it_interval, &(itv)->it_interval); \ 2227c478bd9Sstevel@tonic-gate TIMEVAL_TO_TIMEVAL32(&(itv32)->it_value, &(itv)->it_value); \ 2237c478bd9Sstevel@tonic-gate } 2247c478bd9Sstevel@tonic-gate 2257c478bd9Sstevel@tonic-gate #define ITIMERVAL_OVERFLOW(itv) \ 2267c478bd9Sstevel@tonic-gate (TIMEVAL_OVERFLOW(&(itv)->it_interval) || \ 2277c478bd9Sstevel@tonic-gate TIMEVAL_OVERFLOW(&(itv)->it_value)) 2287c478bd9Sstevel@tonic-gate 2297c478bd9Sstevel@tonic-gate #endif /* _SYSCALL32 */ 2307c478bd9Sstevel@tonic-gate #endif /* _ASM */ 2317c478bd9Sstevel@tonic-gate #endif /* !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) ... */ 2327c478bd9Sstevel@tonic-gate 2337c478bd9Sstevel@tonic-gate 2347c478bd9Sstevel@tonic-gate #if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) 2357c478bd9Sstevel@tonic-gate /* 2367c478bd9Sstevel@tonic-gate * Definitions for commonly used resolutions. 2377c478bd9Sstevel@tonic-gate */ 2387c478bd9Sstevel@tonic-gate #define SEC 1 2397c478bd9Sstevel@tonic-gate #define MILLISEC 1000 2407c478bd9Sstevel@tonic-gate #define MICROSEC 1000000 241b59e2127SJosef 'Jeff' Sipek #define NANOSEC 1000000000LL 2427c478bd9Sstevel@tonic-gate 2430689f76cSAdam Leventhal #define MSEC2NSEC(m) ((hrtime_t)(m) * (NANOSEC / MILLISEC)) 2440689f76cSAdam Leventhal #define NSEC2MSEC(n) ((n) / (NANOSEC / MILLISEC)) 2450689f76cSAdam Leventhal 2467c478bd9Sstevel@tonic-gate #endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */ 2477c478bd9Sstevel@tonic-gate 2487c478bd9Sstevel@tonic-gate #ifndef _ASM 2497c478bd9Sstevel@tonic-gate 2507c478bd9Sstevel@tonic-gate /* 2517c478bd9Sstevel@tonic-gate * Time expressed as a 64-bit nanosecond counter. 2527c478bd9Sstevel@tonic-gate */ 2537c478bd9Sstevel@tonic-gate typedef longlong_t hrtime_t; 2547c478bd9Sstevel@tonic-gate 255*b819cea2SGordon Ross #if defined(_KERNEL) || defined(_FAKE_KERNEL) 2567c478bd9Sstevel@tonic-gate 2577c478bd9Sstevel@tonic-gate #include <sys/time_impl.h> 2587c478bd9Sstevel@tonic-gate #include <sys/mutex.h> 2597c478bd9Sstevel@tonic-gate 2607c478bd9Sstevel@tonic-gate extern int tick_per_msec; /* clock ticks per millisecond (may be zero) */ 2617c478bd9Sstevel@tonic-gate extern int msec_per_tick; /* milliseconds per clock tick (may be zero) */ 2627c478bd9Sstevel@tonic-gate extern int usec_per_tick; /* microseconds per clock tick */ 2637c478bd9Sstevel@tonic-gate extern int nsec_per_tick; /* nanoseconds per clock tick */ 2647c478bd9Sstevel@tonic-gate 2657c478bd9Sstevel@tonic-gate /* 2667c478bd9Sstevel@tonic-gate * Macros to convert from common units of time (sec, msec, usec, nsec, 2677c478bd9Sstevel@tonic-gate * timeval, timestruc) to clock ticks and vice versa. 2687c478bd9Sstevel@tonic-gate */ 2697c478bd9Sstevel@tonic-gate #define TICK_TO_SEC(tick) ((tick) / hz) 2707c478bd9Sstevel@tonic-gate #define SEC_TO_TICK(sec) ((sec) * hz) 2717c478bd9Sstevel@tonic-gate 2727c478bd9Sstevel@tonic-gate #define TICK_TO_MSEC(tick) \ 2737c478bd9Sstevel@tonic-gate (msec_per_tick ? (tick) * msec_per_tick : (tick) / tick_per_msec) 2747c478bd9Sstevel@tonic-gate #define MSEC_TO_TICK(msec) \ 2757c478bd9Sstevel@tonic-gate (msec_per_tick ? (msec) / msec_per_tick : (msec) * tick_per_msec) 2767c478bd9Sstevel@tonic-gate #define MSEC_TO_TICK_ROUNDUP(msec) \ 2777c478bd9Sstevel@tonic-gate (msec_per_tick ? \ 2787c478bd9Sstevel@tonic-gate ((msec) == 0 ? 0 : ((msec) - 1) / msec_per_tick + 1) : \ 2797c478bd9Sstevel@tonic-gate (msec) * tick_per_msec) 2807c478bd9Sstevel@tonic-gate 2817c478bd9Sstevel@tonic-gate #define TICK_TO_USEC(tick) ((tick) * usec_per_tick) 2827c478bd9Sstevel@tonic-gate #define USEC_TO_TICK(usec) ((usec) / usec_per_tick) 2837c478bd9Sstevel@tonic-gate #define USEC_TO_TICK_ROUNDUP(usec) \ 2847c478bd9Sstevel@tonic-gate ((usec) == 0 ? 0 : USEC_TO_TICK((usec) - 1) + 1) 2857c478bd9Sstevel@tonic-gate 28687a18d3fSMadhavan Venkataraman #define TICK_TO_NSEC(tick) ((hrtime_t)(tick) * nsec_per_tick) 2877c478bd9Sstevel@tonic-gate #define NSEC_TO_TICK(nsec) ((nsec) / nsec_per_tick) 2887c478bd9Sstevel@tonic-gate #define NSEC_TO_TICK_ROUNDUP(nsec) \ 2897c478bd9Sstevel@tonic-gate ((nsec) == 0 ? 0 : NSEC_TO_TICK((nsec) - 1) + 1) 2907c478bd9Sstevel@tonic-gate 2917c478bd9Sstevel@tonic-gate #define TICK_TO_TIMEVAL(tick, tvp) { \ 2927c478bd9Sstevel@tonic-gate clock_t __tmptck = (tick); \ 2937c478bd9Sstevel@tonic-gate (tvp)->tv_sec = TICK_TO_SEC(__tmptck); \ 2947c478bd9Sstevel@tonic-gate (tvp)->tv_usec = TICK_TO_USEC(__tmptck - SEC_TO_TICK((tvp)->tv_sec)); \ 2957c478bd9Sstevel@tonic-gate } 2967c478bd9Sstevel@tonic-gate 2977c478bd9Sstevel@tonic-gate #define TICK_TO_TIMEVAL32(tick, tvp) { \ 2987c478bd9Sstevel@tonic-gate clock_t __tmptck = (tick); \ 2997c478bd9Sstevel@tonic-gate time_t __tmptm = TICK_TO_SEC(__tmptck); \ 3007c478bd9Sstevel@tonic-gate (tvp)->tv_sec = (time32_t)__tmptm; \ 3017c478bd9Sstevel@tonic-gate (tvp)->tv_usec = TICK_TO_USEC(__tmptck - SEC_TO_TICK(__tmptm)); \ 3027c478bd9Sstevel@tonic-gate } 3037c478bd9Sstevel@tonic-gate 3047c478bd9Sstevel@tonic-gate #define TICK_TO_TIMESTRUC(tick, tsp) { \ 3057c478bd9Sstevel@tonic-gate clock_t __tmptck = (tick); \ 3067c478bd9Sstevel@tonic-gate (tsp)->tv_sec = TICK_TO_SEC(__tmptck); \ 3077c478bd9Sstevel@tonic-gate (tsp)->tv_nsec = TICK_TO_NSEC(__tmptck - SEC_TO_TICK((tsp)->tv_sec)); \ 3087c478bd9Sstevel@tonic-gate } 3097c478bd9Sstevel@tonic-gate 3107c478bd9Sstevel@tonic-gate #define TICK_TO_TIMESTRUC32(tick, tsp) { \ 3117c478bd9Sstevel@tonic-gate clock_t __tmptck = (tick); \ 3127c478bd9Sstevel@tonic-gate time_t __tmptm = TICK_TO_SEC(__tmptck); \ 3137c478bd9Sstevel@tonic-gate (tsp)->tv_sec = (time32_t)__tmptm; \ 3147c478bd9Sstevel@tonic-gate (tsp)->tv_nsec = TICK_TO_NSEC(__tmptck - SEC_TO_TICK(__tmptm)); \ 3157c478bd9Sstevel@tonic-gate } 3167c478bd9Sstevel@tonic-gate 3177c478bd9Sstevel@tonic-gate #define TIMEVAL_TO_TICK(tvp) \ 3187c478bd9Sstevel@tonic-gate (SEC_TO_TICK((tvp)->tv_sec) + USEC_TO_TICK((tvp)->tv_usec)) 3197c478bd9Sstevel@tonic-gate 3207c478bd9Sstevel@tonic-gate #define TIMESTRUC_TO_TICK(tsp) \ 3217c478bd9Sstevel@tonic-gate (SEC_TO_TICK((tsp)->tv_sec) + NSEC_TO_TICK((tsp)->tv_nsec)) 3227c478bd9Sstevel@tonic-gate 3237c478bd9Sstevel@tonic-gate typedef struct todinfo { 3247c478bd9Sstevel@tonic-gate int tod_sec; /* seconds 0-59 */ 3257c478bd9Sstevel@tonic-gate int tod_min; /* minutes 0-59 */ 3267c478bd9Sstevel@tonic-gate int tod_hour; /* hours 0-23 */ 3277c478bd9Sstevel@tonic-gate int tod_dow; /* day of week 1-7 */ 3287c478bd9Sstevel@tonic-gate int tod_day; /* day of month 1-31 */ 3297c478bd9Sstevel@tonic-gate int tod_month; /* month 1-12 */ 3307c478bd9Sstevel@tonic-gate int tod_year; /* year 70+ */ 3317c478bd9Sstevel@tonic-gate } todinfo_t; 3327c478bd9Sstevel@tonic-gate 3337c478bd9Sstevel@tonic-gate extern int64_t timedelta; 3343348528fSdm extern int timechanged; 3357c478bd9Sstevel@tonic-gate extern int tod_needsync; 3367c478bd9Sstevel@tonic-gate extern kmutex_t tod_lock; 337b5b48cc1Ssudheer extern volatile timestruc_t hrestime; 3387c478bd9Sstevel@tonic-gate extern hrtime_t hres_last_tick; 3397c478bd9Sstevel@tonic-gate extern int64_t hrestime_adj; 3407c478bd9Sstevel@tonic-gate extern uint_t adj_shift; 3417c478bd9Sstevel@tonic-gate 3427c478bd9Sstevel@tonic-gate extern timestruc_t tod_get(void); 3437c478bd9Sstevel@tonic-gate extern void tod_set(timestruc_t); 3447c478bd9Sstevel@tonic-gate extern void set_hrestime(timestruc_t *); 3457c478bd9Sstevel@tonic-gate extern todinfo_t utc_to_tod(time_t); 3467c478bd9Sstevel@tonic-gate extern time_t tod_to_utc(todinfo_t); 3477c478bd9Sstevel@tonic-gate extern int hr_clock_lock(void); 3487c478bd9Sstevel@tonic-gate extern void hr_clock_unlock(int); 3497c478bd9Sstevel@tonic-gate extern hrtime_t gethrtime(void); 3507c478bd9Sstevel@tonic-gate extern hrtime_t gethrtime_unscaled(void); 3517c478bd9Sstevel@tonic-gate extern hrtime_t gethrtime_max(void); 3527c478bd9Sstevel@tonic-gate extern hrtime_t gethrtime_waitfree(void); 3537c478bd9Sstevel@tonic-gate extern void scalehrtime(hrtime_t *); 354113b131bSEric Saxe extern uint64_t unscalehrtime(hrtime_t); 3557c478bd9Sstevel@tonic-gate extern void gethrestime(timespec_t *); 3567c478bd9Sstevel@tonic-gate extern time_t gethrestime_sec(void); 3577c478bd9Sstevel@tonic-gate extern void gethrestime_lasttick(timespec_t *); 3587c478bd9Sstevel@tonic-gate extern void hrt2ts(hrtime_t, timestruc_t *); 3597c478bd9Sstevel@tonic-gate extern hrtime_t ts2hrt(const timestruc_t *); 3607c478bd9Sstevel@tonic-gate extern void hrt2tv(hrtime_t, struct timeval *); 3617c478bd9Sstevel@tonic-gate extern hrtime_t tv2hrt(struct timeval *); 3627c478bd9Sstevel@tonic-gate extern int itimerfix(struct timeval *, int); 3637c478bd9Sstevel@tonic-gate extern int itimerdecr(struct itimerval *, int); 3647c478bd9Sstevel@tonic-gate extern void timevaladd(struct timeval *, struct timeval *); 3657c478bd9Sstevel@tonic-gate extern void timevalsub(struct timeval *, struct timeval *); 3667c478bd9Sstevel@tonic-gate extern void timevalfix(struct timeval *); 3677c478bd9Sstevel@tonic-gate extern void dtrace_hres_tick(void); 3687c478bd9Sstevel@tonic-gate 369d3d50737SRafael Vanoni extern clock_t ddi_get_lbolt(void); 370d3d50737SRafael Vanoni extern int64_t ddi_get_lbolt64(void); 371d3d50737SRafael Vanoni 3727c478bd9Sstevel@tonic-gate #if defined(_SYSCALL32) 3737c478bd9Sstevel@tonic-gate extern void hrt2ts32(hrtime_t, timestruc32_t *); 3747c478bd9Sstevel@tonic-gate #endif 3757c478bd9Sstevel@tonic-gate 3767c478bd9Sstevel@tonic-gate #endif /* _KERNEL */ 3777c478bd9Sstevel@tonic-gate 3787c478bd9Sstevel@tonic-gate #if !defined(_KERNEL) && !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) 3797c478bd9Sstevel@tonic-gate int adjtime(struct timeval *, struct timeval *); 3807c478bd9Sstevel@tonic-gate #endif /* !defined(_KERNEL) && !defined(__XOPEN_OR_POSIX) ... */ 3817c478bd9Sstevel@tonic-gate 3827c478bd9Sstevel@tonic-gate #if !defined(_KERNEL) && !defined(__XOPEN_OR_POSIX) || \ 3837c478bd9Sstevel@tonic-gate defined(_ATFILE_SOURCE) || defined(__EXTENSIONS__) 3847c478bd9Sstevel@tonic-gate int futimesat(int, const char *, const struct timeval *); 3857c478bd9Sstevel@tonic-gate #endif /* defined(__ATFILE_SOURCE) */ 3867c478bd9Sstevel@tonic-gate 3877c478bd9Sstevel@tonic-gate #if !defined(_KERNEL) && !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || \ 3887c478bd9Sstevel@tonic-gate defined(__EXTENSIONS__) 3897c478bd9Sstevel@tonic-gate 3907c478bd9Sstevel@tonic-gate int getitimer(int, struct itimerval *); 3917c478bd9Sstevel@tonic-gate int utimes(const char *, const struct timeval *); 3927c478bd9Sstevel@tonic-gate #if defined(_XPG4_2) 3937c478bd9Sstevel@tonic-gate int setitimer(int, const struct itimerval *_RESTRICT_KYWD, 3947c478bd9Sstevel@tonic-gate struct itimerval *_RESTRICT_KYWD); 3957c478bd9Sstevel@tonic-gate #else 3967c478bd9Sstevel@tonic-gate int setitimer(int, struct itimerval *_RESTRICT_KYWD, 3977c478bd9Sstevel@tonic-gate struct itimerval *_RESTRICT_KYWD); 3987c478bd9Sstevel@tonic-gate #endif /* defined(_XPG2_2) */ 3997c478bd9Sstevel@tonic-gate 4007c478bd9Sstevel@tonic-gate #endif /* !defined(_KERNEL) ... defined(_XPG4_2) */ 4017c478bd9Sstevel@tonic-gate 4027c478bd9Sstevel@tonic-gate /* 4037c478bd9Sstevel@tonic-gate * gettimeofday() and settimeofday() were included in SVr4 due to their 4047c478bd9Sstevel@tonic-gate * common use in BSD based applications. They were to be included exactly 4057c478bd9Sstevel@tonic-gate * as in BSD, with two parameters. However, AT&T/USL noted that the second 4067c478bd9Sstevel@tonic-gate * parameter was unused and deleted it, thereby making a routine included 4077c478bd9Sstevel@tonic-gate * for compatibility, incompatible. 4087c478bd9Sstevel@tonic-gate * 4097c478bd9Sstevel@tonic-gate * XSH4.2 (spec 1170) defines gettimeofday and settimeofday to have two 4107c478bd9Sstevel@tonic-gate * parameters. 4117c478bd9Sstevel@tonic-gate * 4127c478bd9Sstevel@tonic-gate * This has caused general disagreement in the application community as to 4137c478bd9Sstevel@tonic-gate * the syntax of these routines. Solaris defaults to the XSH4.2 definition. 4147c478bd9Sstevel@tonic-gate * The flag _SVID_GETTOD may be used to force the SVID version. 4157c478bd9Sstevel@tonic-gate */ 4167c478bd9Sstevel@tonic-gate #if !defined(_KERNEL) && !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) 4177c478bd9Sstevel@tonic-gate 4187c478bd9Sstevel@tonic-gate #if defined(_SVID_GETTOD) 4197c478bd9Sstevel@tonic-gate int settimeofday(struct timeval *); 4207c478bd9Sstevel@tonic-gate #else 4217c478bd9Sstevel@tonic-gate int settimeofday(struct timeval *, void *); 4227c478bd9Sstevel@tonic-gate #endif 4237c478bd9Sstevel@tonic-gate hrtime_t gethrtime(void); 4247c478bd9Sstevel@tonic-gate hrtime_t gethrvtime(void); 4257c478bd9Sstevel@tonic-gate 4267c478bd9Sstevel@tonic-gate #endif /* !(defined _KERNEL) && !defined(__XOPEN_OR_POSIX) ... */ 4277c478bd9Sstevel@tonic-gate 4287c478bd9Sstevel@tonic-gate #if !defined(_KERNEL) && !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || \ 4297c478bd9Sstevel@tonic-gate defined(__EXTENSIONS__) 4307c478bd9Sstevel@tonic-gate 4317c478bd9Sstevel@tonic-gate #if defined(_SVID_GETTOD) 4327c478bd9Sstevel@tonic-gate int gettimeofday(struct timeval *); 4337c478bd9Sstevel@tonic-gate #else 4347c478bd9Sstevel@tonic-gate int gettimeofday(struct timeval *_RESTRICT_KYWD, void *_RESTRICT_KYWD); 4357c478bd9Sstevel@tonic-gate #endif 4367c478bd9Sstevel@tonic-gate 4377c478bd9Sstevel@tonic-gate #endif /* !defined(_KERNEL) && !defined(__XOPEN_OR_POSIX) ... */ 4387c478bd9Sstevel@tonic-gate 4397c478bd9Sstevel@tonic-gate /* 4407c478bd9Sstevel@tonic-gate * The inclusion of <time.h> is historical and was added for 4417c478bd9Sstevel@tonic-gate * backward compatibility in delta 1.2 when a number of definitions 4427c478bd9Sstevel@tonic-gate * were moved out of <sys/time.h>. More recently, the timespec and 4437c478bd9Sstevel@tonic-gate * itimerspec structure definitions, along with the _CLOCK_*, CLOCK_*, 4447c478bd9Sstevel@tonic-gate * _TIMER_*, and TIMER_* symbols were moved to <sys/time_impl.h>, 4457c478bd9Sstevel@tonic-gate * which is now included by <time.h>. This change was due to POSIX 4467c478bd9Sstevel@tonic-gate * 1003.1b-1993 and X/Open UNIX 98 requirements. For non-POSIX and 4477c478bd9Sstevel@tonic-gate * non-X/Open applications, including this header will still make 4487c478bd9Sstevel@tonic-gate * visible these definitions. 4497c478bd9Sstevel@tonic-gate */ 450*b819cea2SGordon Ross #if !defined(_BOOT) && !defined(_KERNEL) && !defined(_FAKE_KERNEL) && \ 451ae115bc7Smrj !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) 4527c478bd9Sstevel@tonic-gate #include <time.h> 4537c478bd9Sstevel@tonic-gate #endif 4547c478bd9Sstevel@tonic-gate 4557c478bd9Sstevel@tonic-gate /* 4567c478bd9Sstevel@tonic-gate * The inclusion of <sys/select.h> is needed for the FD_CLR, 4577c478bd9Sstevel@tonic-gate * FD_ISSET, FD_SET, and FD_SETSIZE macros as well as the 4587c478bd9Sstevel@tonic-gate * select() prototype defined in the XOpen specifications 4597c478bd9Sstevel@tonic-gate * beginning with XSH4v2. Placement required after definition 4607c478bd9Sstevel@tonic-gate * for itimerval. 4617c478bd9Sstevel@tonic-gate */ 462*b819cea2SGordon Ross #if !defined(_KERNEL) && !defined(_FAKE_KERNEL) && \ 463*b819cea2SGordon Ross !defined(__XOPEN_OR_POSIX) || \ 464*b819cea2SGordon Ross defined(_XPG4_2) || defined(__EXTENSIONS__) 4657c478bd9Sstevel@tonic-gate #include <sys/select.h> 4667c478bd9Sstevel@tonic-gate #endif 4677c478bd9Sstevel@tonic-gate 4687c478bd9Sstevel@tonic-gate #endif /* _ASM */ 4697c478bd9Sstevel@tonic-gate 4707c478bd9Sstevel@tonic-gate #ifdef __cplusplus 4717c478bd9Sstevel@tonic-gate } 4727c478bd9Sstevel@tonic-gate #endif 4737c478bd9Sstevel@tonic-gate 4747c478bd9Sstevel@tonic-gate #endif /* _SYS_TIME_H */ 475