1 /* $OpenBSD: time.h,v 1.29 2016/09/09 18:12:37 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/_null.h> 46 #include <sys/_types.h> 47 48 #ifndef _CLOCK_T_DEFINED_ 49 #define _CLOCK_T_DEFINED_ 50 typedef __clock_t clock_t; 51 #endif 52 53 #ifndef _TIME_T_DEFINED_ 54 #define _TIME_T_DEFINED_ 55 typedef __time_t time_t; 56 #endif 57 58 #ifndef _SIZE_T_DEFINED_ 59 #define _SIZE_T_DEFINED_ 60 typedef __size_t size_t; 61 #endif 62 63 #if __POSIX_VISIBLE > 0 && __POSIX_VISIBLE < 200112 || __BSD_VISIBLE 64 /* 65 * Frequency of the clock ticks reported by times(). Deprecated - use 66 * sysconf(_SC_CLK_TCK) instead. (Removed in 1003.1-2001.) 67 */ 68 #define CLK_TCK 100 69 #endif 70 71 #define CLOCKS_PER_SEC 100 /* frequency of ticks reported by clock(). */ 72 73 #if __POSIX_VISIBLE >= 199309 74 #ifndef _TIMESPEC_DECLARED 75 #define _TIMESPEC_DECLARED 76 struct timespec { 77 time_t tv_sec; /* seconds */ 78 long tv_nsec; /* and nanoseconds */ 79 }; 80 #endif 81 82 #include <sys/_time.h> 83 84 #ifndef _CLOCKID_T_DEFINED_ 85 #define _CLOCKID_T_DEFINED_ 86 typedef __clockid_t clockid_t; 87 #endif 88 89 #ifndef _TIMER_T_DEFINED_ 90 #define _TIMER_T_DEFINED_ 91 typedef __timer_t timer_t; 92 #endif 93 #endif 94 95 #if __POSIX_VISIBLE >= 200112 96 #ifndef _PID_T_DEFINED_ 97 #define _PID_T_DEFINED_ 98 typedef __pid_t pid_t; 99 #endif 100 #endif 101 102 struct tm { 103 int tm_sec; /* seconds after the minute [0-60] */ 104 int tm_min; /* minutes after the hour [0-59] */ 105 int tm_hour; /* hours since midnight [0-23] */ 106 int tm_mday; /* day of the month [1-31] */ 107 int tm_mon; /* months since January [0-11] */ 108 int tm_year; /* years since 1900 */ 109 int tm_wday; /* days since Sunday [0-6] */ 110 int tm_yday; /* days since January 1 [0-365] */ 111 int tm_isdst; /* Daylight Saving Time flag */ 112 long tm_gmtoff; /* offset from UTC in seconds */ 113 char *tm_zone; /* timezone abbreviation */ 114 }; 115 116 __BEGIN_DECLS 117 char *asctime(const struct tm *); 118 clock_t clock(void); 119 char *ctime(const time_t *); 120 double difftime(time_t, time_t); 121 struct tm *gmtime(const time_t *); 122 struct tm *localtime(const time_t *); 123 time_t mktime(struct tm *); 124 size_t strftime(char *__restrict, size_t, const char *__restrict, 125 const struct tm *__restrict) 126 __attribute__ ((__bounded__(__string__,1,2))); 127 time_t time(time_t *); 128 129 #if __XPG_VISIBLE >= 300 130 extern int daylight; 131 extern long timezone; 132 #endif 133 #if __XPG_VISIBLE >= 400 134 char *strptime(const char *__restrict, const char *__restrict, 135 struct tm *__restrict); 136 #endif 137 138 #if __POSIX_VISIBLE >= 199506 139 char *asctime_r(const struct tm *__restrict, char *__restrict) 140 __attribute__ ((__bounded__(__minbytes__,2,26))); 141 char *ctime_r(const time_t *, char *) 142 __attribute__ ((__bounded__(__minbytes__,2,26))); 143 struct tm *gmtime_r(const time_t *__restrict, struct tm *__restrict); 144 struct tm *localtime_r(const time_t *__restrict, struct tm *__restrict); 145 #endif 146 147 #if __POSIX_VISIBLE 148 extern char *tzname[2]; 149 void tzset(void); 150 #endif 151 152 #if __POSIX_VISIBLE >= 199309 153 int clock_getres(clockid_t, struct timespec *); 154 int clock_gettime(clockid_t, struct timespec *); 155 int clock_settime(clockid_t, const struct timespec *); 156 int nanosleep(const struct timespec *, struct timespec *); 157 #endif 158 159 #if __POSIX_VISIBLE >= 200112 160 int clock_getcpuclockid(pid_t, clockid_t *); 161 #endif 162 163 #if __BSD_VISIBLE 164 void tzsetwall(void); 165 time_t timelocal(struct tm *); 166 time_t timegm(struct tm *); 167 time_t timeoff(struct tm *, const long); 168 #endif 169 __END_DECLS 170 171 #endif /* !_TIME_H_ */ 172