1 /* $OpenBSD: time.h,v 1.26 2015/03/15 00:41:27 millert Exp $ */ 2 /* $NetBSD: time.h,v 1.9 1994/10/26 00:56:35 cgd Exp $ */ 3 4 /* 5 * Copyright (c) 1989 The Regents of the University of California. 6 * All rights reserved. 7 * 8 * (c) UNIX System Laboratories, Inc. 9 * All or some portions of this file are derived from material licensed 10 * to the University of California by American Telephone and Telegraph 11 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 12 * the permission of UNIX System Laboratories, Inc. 13 * 14 * Redistribution and use in source and binary forms, with or without 15 * modification, are permitted provided that the following conditions 16 * are met: 17 * 1. Redistributions of source code must retain the above copyright 18 * notice, this list of conditions and the following disclaimer. 19 * 2. Redistributions in binary form must reproduce the above copyright 20 * notice, this list of conditions and the following disclaimer in the 21 * documentation and/or other materials provided with the distribution. 22 * 3. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)time.h 5.12 (Berkeley) 3/9/91 39 */ 40 41 #ifndef _TIME_H_ 42 #define _TIME_H_ 43 44 #include <sys/cdefs.h> 45 #include <sys/_types.h> 46 47 #ifndef NULL 48 #ifdef __GNUG__ 49 #define NULL __null 50 #elif defined(__cplusplus) 51 #define NULL 0L 52 #else 53 #define NULL ((void *)0) 54 #endif 55 #endif 56 57 #ifndef _CLOCK_T_DEFINED_ 58 #define _CLOCK_T_DEFINED_ 59 typedef __clock_t clock_t; 60 #endif 61 62 #ifndef _TIME_T_DEFINED_ 63 #define _TIME_T_DEFINED_ 64 typedef __time_t time_t; 65 #endif 66 67 #ifndef _SIZE_T_DEFINED_ 68 #define _SIZE_T_DEFINED_ 69 typedef __size_t size_t; 70 #endif 71 72 #if __POSIX_VISIBLE > 0 && __POSIX_VISIBLE < 200112 || __BSD_VISIBLE 73 /* 74 * Frequency of the clock ticks reported by times(). Deprecated - use 75 * sysconf(_SC_CLK_TCK) instead. (Removed in 1003.1-2001.) 76 */ 77 #define CLK_TCK 100 78 #endif 79 80 #define CLOCKS_PER_SEC 100 /* frequency of ticks reported by clock(). */ 81 82 #if __POSIX_VISIBLE >= 199309 83 #ifndef _TIMESPEC_DECLARED 84 #define _TIMESPEC_DECLARED 85 struct timespec { 86 time_t tv_sec; /* seconds */ 87 long tv_nsec; /* and nanoseconds */ 88 }; 89 #endif 90 91 #include <sys/_time.h> 92 93 #ifndef _CLOCKID_T_DEFINED_ 94 #define _CLOCKID_T_DEFINED_ 95 typedef __clockid_t clockid_t; 96 #endif 97 98 #ifndef _TIMER_T_DEFINED_ 99 #define _TIMER_T_DEFINED_ 100 typedef __timer_t timer_t; 101 #endif 102 #endif 103 104 #if __POSIX_VISIBLE >= 200112 105 #ifndef _PID_T_DEFINED_ 106 #define _PID_T_DEFINED_ 107 typedef __pid_t pid_t; 108 #endif 109 #endif 110 111 struct tm { 112 int tm_sec; /* seconds after the minute [0-60] */ 113 int tm_min; /* minutes after the hour [0-59] */ 114 int tm_hour; /* hours since midnight [0-23] */ 115 int tm_mday; /* day of the month [1-31] */ 116 int tm_mon; /* months since January [0-11] */ 117 int tm_year; /* years since 1900 */ 118 int tm_wday; /* days since Sunday [0-6] */ 119 int tm_yday; /* days since January 1 [0-365] */ 120 int tm_isdst; /* Daylight Saving Time flag */ 121 long tm_gmtoff; /* offset from UTC in seconds */ 122 char *tm_zone; /* timezone abbreviation */ 123 }; 124 125 __BEGIN_DECLS 126 char *asctime(const struct tm *); 127 clock_t clock(void); 128 char *ctime(const time_t *); 129 double difftime(time_t, time_t); 130 struct tm *gmtime(const time_t *); 131 struct tm *localtime(const time_t *); 132 time_t mktime(struct tm *); 133 size_t strftime(char *__restrict, size_t, const char *__restrict, 134 const struct tm *__restrict) 135 __attribute__ ((__bounded__(__string__,1,2))); 136 time_t time(time_t *); 137 138 #if __XPG_VISIBLE >= 400 139 char *strptime(const char *__restrict, const char *__restrict, 140 struct tm *__restrict); 141 #endif 142 143 #if __POSIX_VISIBLE >= 199506 144 char *asctime_r(const struct tm *__restrict, char *__restrict) 145 __attribute__ ((__bounded__(__minbytes__,2,26))); 146 char *ctime_r(const time_t *, char *) 147 __attribute__ ((__bounded__(__minbytes__,2,26))); 148 struct tm *gmtime_r(const time_t *__restrict, struct tm *__restrict); 149 struct tm *localtime_r(const time_t *__restrict, struct tm *__restrict); 150 #endif 151 152 #if __POSIX_VISIBLE 153 extern char *tzname[2]; 154 void tzset(void); 155 #endif 156 157 #if __POSIX_VISIBLE >= 199309 158 int clock_getres(clockid_t, struct timespec *); 159 int clock_gettime(clockid_t, struct timespec *); 160 int clock_settime(clockid_t, const struct timespec *); 161 int nanosleep(const struct timespec *, struct timespec *); 162 #endif 163 164 #if __POSIX_VISIBLE >= 200112 165 int clock_getcpuclockid(pid_t, clockid_t *); 166 #endif 167 168 #if __BSD_VISIBLE 169 170 #ifndef TM_YEAR_BASE 171 #define TM_YEAR_BASE 1900 172 #endif 173 174 char *timezone(int, int); 175 void tzsetwall(void); 176 time_t timelocal(struct tm *); 177 time_t timegm(struct tm *); 178 time_t timeoff(struct tm *, const long); 179 #endif 180 __END_DECLS 181 182 #endif /* !_TIME_H_ */ 183