1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1989, 1993 5 * The Regents of the University of California. All rights reserved. 6 * (c) UNIX System Laboratories, Inc. 7 * All or some portions of this file are derived from material licensed 8 * to the University of California by American Telephone and Telegraph 9 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 10 * the permission of UNIX System Laboratories, Inc. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)time.h 8.3 (Berkeley) 1/21/94 37 */ 38 39 /* 40 * $FreeBSD$ 41 */ 42 43 #ifndef _TIME_H_ 44 #define _TIME_H_ 45 46 #include <sys/cdefs.h> 47 #include <sys/_null.h> 48 #include <sys/_types.h> 49 #include <sys/_clock_id.h> 50 51 #if __POSIX_VISIBLE > 0 && __POSIX_VISIBLE < 200112 || __BSD_VISIBLE 52 /* 53 * Frequency of the clock ticks reported by times(). Deprecated - use 54 * sysconf(_SC_CLK_TCK) instead. (Removed in 1003.1-2001.) 55 */ 56 #define CLK_TCK 128 57 #endif 58 59 /* Frequency of the clock ticks reported by clock(). */ 60 #define CLOCKS_PER_SEC 128 61 62 #ifndef _CLOCK_T_DECLARED 63 typedef __clock_t clock_t; 64 #define _CLOCK_T_DECLARED 65 #endif 66 67 #ifndef _TIME_T_DECLARED 68 typedef __time_t time_t; 69 #define _TIME_T_DECLARED 70 #endif 71 72 #ifndef _SIZE_T_DECLARED 73 typedef __size_t size_t; 74 #define _SIZE_T_DECLARED 75 #endif 76 77 #if __POSIX_VISIBLE >= 199309 78 /* 79 * New in POSIX 1003.1b-1993. 80 */ 81 #ifndef _CLOCKID_T_DECLARED 82 typedef __clockid_t clockid_t; 83 #define _CLOCKID_T_DECLARED 84 #endif 85 86 #ifndef _TIMER_T_DECLARED 87 typedef __timer_t timer_t; 88 #define _TIMER_T_DECLARED 89 #endif 90 91 #include <sys/timespec.h> 92 #endif /* __POSIX_VISIBLE >= 199309 */ 93 94 #if __POSIX_VISIBLE >= 200112 95 #ifndef _PID_T_DECLARED 96 typedef __pid_t pid_t; 97 #define _PID_T_DECLARED 98 #endif 99 #endif 100 101 struct tm { 102 int tm_sec; /* seconds after the minute [0-60] */ 103 int tm_min; /* minutes after the hour [0-59] */ 104 int tm_hour; /* hours since midnight [0-23] */ 105 int tm_mday; /* day of the month [1-31] */ 106 int tm_mon; /* months since January [0-11] */ 107 int tm_year; /* years since 1900 */ 108 int tm_wday; /* days since Sunday [0-6] */ 109 int tm_yday; /* days since January 1 [0-365] */ 110 int tm_isdst; /* Daylight Savings Time flag */ 111 long tm_gmtoff; /* offset from UTC in seconds */ 112 char *tm_zone; /* timezone abbreviation */ 113 }; 114 115 #if __POSIX_VISIBLE 116 extern char *tzname[]; 117 #endif 118 119 __BEGIN_DECLS 120 char *asctime(const struct tm *); 121 clock_t clock(void); 122 char *ctime(const time_t *); 123 #ifndef _STANDALONE 124 double difftime(time_t, time_t); 125 #endif 126 /* XXX missing: getdate() */ 127 struct tm *gmtime(const time_t *); 128 struct tm *localtime(const time_t *); 129 time_t mktime(struct tm *); 130 size_t strftime(char * __restrict, size_t, const char * __restrict, 131 const struct tm * __restrict); 132 time_t time(time_t *); 133 #if __POSIX_VISIBLE >= 200112 134 struct sigevent; 135 int timer_create(clockid_t, struct sigevent *__restrict, timer_t *__restrict); 136 int timer_delete(timer_t); 137 int timer_gettime(timer_t, struct itimerspec *); 138 int timer_getoverrun(timer_t); 139 int timer_settime(timer_t, int, const struct itimerspec *__restrict, 140 struct itimerspec *__restrict); 141 #endif 142 #if __POSIX_VISIBLE 143 void tzset(void); 144 #endif 145 146 #if __POSIX_VISIBLE >= 199309 147 int clock_getres(clockid_t, struct timespec *); 148 int clock_gettime(clockid_t, struct timespec *); 149 int clock_settime(clockid_t, const struct timespec *); 150 int nanosleep(const struct timespec *, struct timespec *); 151 #endif /* __POSIX_VISIBLE >= 199309 */ 152 153 #if __POSIX_VISIBLE >= 200112 154 int clock_getcpuclockid(pid_t, clockid_t *); 155 int clock_nanosleep(clockid_t, int, const struct timespec *, struct timespec *); 156 #endif 157 158 #if __POSIX_VISIBLE >= 199506 159 char *asctime_r(const struct tm *, char *); 160 char *ctime_r(const time_t *, char *); 161 struct tm *gmtime_r(const time_t *, struct tm *); 162 struct tm *localtime_r(const time_t *, struct tm *); 163 #endif 164 165 #if __XSI_VISIBLE 166 char *strptime(const char * __restrict, const char * __restrict, 167 struct tm * __restrict); 168 #endif 169 170 #if __BSD_VISIBLE 171 char *timezone(int, int); /* XXX XSI conflict */ 172 time_t timelocal(struct tm * const); 173 time_t timegm(struct tm * const); 174 int timer_oshandle_np(timer_t timerid); 175 time_t time2posix(time_t t); 176 time_t posix2time(time_t t); 177 #endif /* __BSD_VISIBLE */ 178 179 #if __POSIX_VISIBLE >= 200809 || defined(_XLOCALE_H_) 180 #include <xlocale/_time.h> 181 #endif 182 183 #if defined(__BSD_VISIBLE) || __ISO_C_VISIBLE >= 2011 || \ 184 (defined(__cplusplus) && __cplusplus >= 201703) 185 #include <sys/_timespec.h> 186 /* ISO/IEC 9899:201x 7.27.2.5 The timespec_get function */ 187 #define TIME_UTC 1 /* time elapsed since epoch */ 188 int timespec_get(struct timespec *ts, int base); 189 #endif 190 191 __END_DECLS 192 193 #endif /* !_TIME_H_ */ 194