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 <machine/uvparam.h> 48 #include <sys/_posix.h> 49 50 #if __POSIX_VISIBLE > 0 && __POSIX_VISIBLE < 200112 || __BSD_VISIBLE 51 /* 52 * Frequency of the clock ticks reported by times(). Deprecated - use 53 * sysconf(_SC_CLK_TCK) instead. (Removed in 1003.1-2001.) 54 */ 55 #define CLK_TCK _BSD_CLK_TCK_ 56 #endif 57 58 /* Frequency of the clock ticks reported by clock(). */ 59 #define CLOCKS_PER_SEC _BSD_CLOCKS_PER_SEC_ 60 61 #include <sys/_null.h> 62 63 #ifndef _CLOCK_T_DECLARED 64 #define _CLOCK_T_DECLARED 65 typedef __clock_t clock_t; 66 #endif 67 68 #ifndef _TIME_T_DECLARED 69 #define _TIME_T_DECLARED 70 typedef __time_t time_t; 71 #endif 72 73 #ifndef _SIZE_T_DECLARED 74 #define _SIZE_T_DECLARED 75 typedef __size_t size_t; 76 #endif 77 78 #if __POSIX_VISIBLE >= 199309 79 /* 80 * New in POSIX 1003.1b-1993. 81 */ 82 #ifndef _CLOCKID_T_DECLARED 83 #define _CLOCKID_T_DECLARED 84 typedef __clockid_t clockid_t; 85 #endif 86 87 #ifndef _TIMER_T_DECLARED 88 #define _TIMER_T_DECLARED 89 typedef __timer_t timer_t; 90 #endif 91 92 #include <sys/_timespec.h> 93 94 #endif /* __POSIX_VISIBLE >= 199309 */ 95 96 /* These macros are also in sys/time.h. */ 97 #if !defined(CLOCK_REALTIME) && __POSIX_VISIBLE >= 200112 98 #define CLOCK_REALTIME 0 99 #ifdef __BSD_VISIBLE 100 #define CLOCK_VIRTUAL 1 101 #define CLOCK_PROF 2 102 #endif 103 #define CLOCK_MONOTONIC 4 104 #endif /* !defined(CLOCK_REALTIME) && __POSIX_VISIBLE >= 200112 */ 105 106 #if !defined(TIMER_ABSTIME) && __POSIX_VISIBLE >= 200112 107 #if __BSD_VISIBLE 108 #define TIMER_RELTIME 0x0 /* relative timer */ 109 #endif 110 #define TIMER_ABSTIME 0x1 /* absolute timer */ 111 #endif 112 113 struct tm { 114 int tm_sec; /* seconds after the minute [0-60] */ 115 int tm_min; /* minutes after the hour [0-59] */ 116 int tm_hour; /* hours since midnight [0-23] */ 117 int tm_mday; /* day of the month [1-31] */ 118 int tm_mon; /* months since January [0-11] */ 119 int tm_year; /* years since 1900 */ 120 int tm_wday; /* days since Sunday [0-6] */ 121 int tm_yday; /* days since January 1 [0-365] */ 122 int tm_isdst; /* Daylight Savings Time flag */ 123 long tm_gmtoff; /* offset from CUT in seconds */ 124 char *tm_zone; /* timezone abbreviation */ 125 }; 126 127 #if __POSIX_VISIBLE 128 extern char *tzname[]; 129 #endif 130 131 __BEGIN_DECLS 132 char *asctime (const struct tm *); 133 clock_t clock (void); 134 char *ctime (const time_t *); 135 double difftime (time_t, time_t); 136 struct tm *gmtime (const time_t *); 137 struct tm *localtime (const time_t *); 138 time_t mktime (struct tm *); 139 size_t strftime (char * __restrict, size_t, const char * __restrict, 140 const struct tm * __restrict); 141 time_t time (time_t *); 142 143 #if __POSIX_VISIBLE 144 void tzset (void); 145 #endif 146 147 #if __POSIX_VISIBLE >= 199506 148 char *asctime_r (const struct tm *, char *); 149 char *ctime_r (const time_t *, char *); 150 struct tm *gmtime_r (const time_t *, struct tm *); 151 struct tm *localtime_r (const time_t *, struct tm *); 152 #endif 153 154 #if __POSIX_VISIBLE >= 199309 155 /* Introduced in POSIX 1003.1b-1993, not part of 1003.1-1990. */ 156 int clock_getres (clockid_t, struct timespec *); 157 int clock_gettime (clockid_t, struct timespec *); 158 int clock_settime (clockid_t, const struct timespec *); 159 int nanosleep (const struct timespec *, struct timespec *); 160 #endif /* __POSIX_VISIBLE >= 199309 */ 161 162 #if __XSI_VISIBLE 163 extern int daylight; 164 extern long timezone; 165 char *strptime (const char * __restrict, const char * __restrict, 166 struct tm * __restrict); 167 #endif 168 169 #if __BSD_VISIBLE 170 void tzsetwall (void); 171 time_t timelocal (struct tm * const); 172 time_t timegm (struct tm * const); 173 #endif /* __BSD_VISIBLE */ 174 __END_DECLS 175 176 #endif /* !_TIME_H_ */ 177