1 /* 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. 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 8.3 (Berkeley) 1/21/94 39 */ 40 41 #ifndef _TIME_H_ 42 #define _TIME_H_ 43 44 #include <sys/cdefs.h> 45 46 #include <machine/stdint.h> 47 #include <sys/_posix.h> 48 49 #if __POSIX_VISIBLE > 0 && __POSIX_VISIBLE < 200112 || __BSD_VISIBLE 50 /* 51 * Frequency of the clock ticks reported by times(). Deprecated - use 52 * sysconf(_SC_CLK_TCK) instead. (Removed in 1003.1-2001.) 53 */ 54 #define CLK_TCK 128 55 #endif 56 57 /* Frequency of the clock ticks reported by clock(). */ 58 #define CLOCKS_PER_SEC 128 59 60 #include <sys/_null.h> 61 62 #ifndef _CLOCK_T_DECLARED 63 #define _CLOCK_T_DECLARED 64 typedef __clock_t clock_t; 65 #endif 66 67 #ifndef _TIME_T_DECLARED 68 #define _TIME_T_DECLARED 69 typedef __time_t time_t; 70 #endif 71 72 #ifndef _SIZE_T_DECLARED 73 #define _SIZE_T_DECLARED 74 typedef __size_t size_t; 75 #endif 76 77 #if __POSIX_VISIBLE >= 199309 78 /* 79 * New in POSIX 1003.1b-1993. 80 */ 81 #ifndef _CLOCKID_T_DECLARED 82 #define _CLOCKID_T_DECLARED 83 typedef __clockid_t clockid_t; 84 #endif 85 86 #ifndef _TIMER_T_DECLARED 87 #define _TIMER_T_DECLARED 88 typedef __timer_t timer_t; 89 #endif 90 91 #include <sys/_timespec.h> 92 93 #endif /* __POSIX_VISIBLE >= 199309 */ 94 95 /* These macros are also in sys/time.h. */ 96 #if !defined(CLOCK_REALTIME) && __POSIX_VISIBLE >= 200112 97 #define CLOCK_REALTIME 0 98 #ifdef __BSD_VISIBLE 99 #define CLOCK_VIRTUAL 1 100 #define CLOCK_PROF 2 101 #endif 102 #define CLOCK_MONOTONIC 4 /* from freebsd */ 103 #define CLOCK_UPTIME 5 /* from freebsd */ 104 #define CLOCK_UPTIME_PRECISE 7 /* from freebsd */ 105 #define CLOCK_UPTIME_FAST 8 /* from freebsd */ 106 #define CLOCK_REALTIME_PRECISE 9 /* from freebsd */ 107 #define CLOCK_REALTIME_FAST 10 /* from freebsd */ 108 #define CLOCK_MONOTONIC_PRECISE 11 /* from freebsd */ 109 #define CLOCK_MONOTONIC_FAST 12 /* from freebsd */ 110 #define CLOCK_SECOND 13 /* from freebsd */ 111 #define CLOCK_THREAD_CPUTIME_ID 14 112 113 #endif /* !defined(CLOCK_REALTIME) && __POSIX_VISIBLE >= 200112 */ 114 115 #if !defined(TIMER_ABSTIME) && __POSIX_VISIBLE >= 200112 116 #if __BSD_VISIBLE 117 #define TIMER_RELTIME 0x0 /* relative timer */ 118 #endif 119 #define TIMER_ABSTIME 0x1 /* absolute timer */ 120 #endif 121 122 struct tm { 123 int tm_sec; /* seconds after the minute [0-60] */ 124 int tm_min; /* minutes after the hour [0-59] */ 125 int tm_hour; /* hours since midnight [0-23] */ 126 int tm_mday; /* day of the month [1-31] */ 127 int tm_mon; /* months since January [0-11] */ 128 int tm_year; /* years since 1900 */ 129 int tm_wday; /* days since Sunday [0-6] */ 130 int tm_yday; /* days since January 1 [0-365] */ 131 int tm_isdst; /* Daylight Savings Time flag */ 132 long tm_gmtoff; /* offset from CUT in seconds */ 133 char *tm_zone; /* timezone abbreviation */ 134 }; 135 136 #if __POSIX_VISIBLE 137 extern char *tzname[]; 138 #endif 139 140 __BEGIN_DECLS 141 char *asctime (const struct tm *); 142 clock_t clock (void); 143 char *ctime (const time_t *); 144 double difftime (time_t, time_t); 145 struct tm *gmtime (const time_t *); 146 struct tm *localtime (const time_t *); 147 time_t mktime (struct tm *); 148 size_t strftime (char * __restrict, size_t, const char * __restrict, 149 const struct tm * __restrict); 150 time_t time (time_t *); 151 152 #if __POSIX_VISIBLE 153 void tzset (void); 154 #endif 155 156 #if __POSIX_VISIBLE >= 199506 157 char *asctime_r (const struct tm *, char *); 158 char *ctime_r (const time_t *, char *); 159 struct tm *gmtime_r (const time_t *, struct tm *); 160 struct tm *localtime_r (const time_t *, struct tm *); 161 #endif 162 163 #if __POSIX_VISIBLE >= 199309 164 /* Introduced in POSIX 1003.1b-1993, not part of 1003.1-1990. */ 165 int clock_getres (clockid_t, struct timespec *); 166 int clock_gettime (clockid_t, struct timespec *); 167 int clock_settime (clockid_t, const struct timespec *); 168 int nanosleep (const struct timespec *, struct timespec *); 169 #endif /* __POSIX_VISIBLE >= 199309 */ 170 171 #if __XSI_VISIBLE 172 extern int daylight; 173 extern long timezone; 174 char *strptime (const char * __restrict, const char * __restrict, 175 struct tm * __restrict); 176 #endif 177 178 #if __BSD_VISIBLE 179 void tzsetwall (void); 180 time_t timelocal (struct tm * const); 181 time_t timegm (struct tm * const); 182 #endif /* __BSD_VISIBLE */ 183 __END_DECLS 184 185 #endif /* !_TIME_H_ */ 186