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 /* 42 * $FreeBSD$ 43 */ 44 45 #ifndef _TIME_H_ 46 #define _TIME_H_ 47 48 #include <machine/ansi.h> 49 #include <sys/_posix.h> 50 51 #ifndef _ANSI_SOURCE 52 /* 53 * Frequency of the clock ticks reported by times(). Deprecated - use 54 * sysconf(_SC_CLK_TCK) instead. 55 */ 56 #define CLK_TCK _BSD_CLK_TCK_ 57 #endif 58 59 /* Frequency of the clock ticks reported by clock(). */ 60 #define CLOCKS_PER_SEC _BSD_CLOCKS_PER_SEC_ 61 62 #ifndef NULL 63 #define NULL 0 64 #endif 65 66 #ifdef _BSD_CLOCK_T_ 67 typedef _BSD_CLOCK_T_ clock_t; 68 #undef _BSD_CLOCK_T_ 69 #endif 70 71 #ifdef _BSD_TIME_T_ 72 typedef _BSD_TIME_T_ time_t; 73 #undef _BSD_TIME_T_ 74 #endif 75 76 #ifdef _BSD_SIZE_T_ 77 typedef _BSD_SIZE_T_ size_t; 78 #undef _BSD_SIZE_T_ 79 #endif 80 81 /* XXX I'm not sure if _ANSI_SOURCE is playing properly 82 * with the setups in _posix.h: 83 */ 84 #if !defined(_ANSI_SOURCE) && defined(_P1003_1B_VISIBLE_HISTORICALLY) 85 /* 86 * New in POSIX 1003.1b-1993. 87 */ 88 #ifdef _BSD_CLOCKID_T_ 89 typedef _BSD_CLOCKID_T_ clockid_t; 90 #undef _BSD_CLOCKID_T_ 91 #endif 92 93 #ifdef _BSD_TIMER_T_ 94 typedef _BSD_TIMER_T_ timer_t; 95 #undef _BSD_TIMER_T_ 96 #endif 97 98 #ifndef _TIMESPEC_DECLARED 99 #define _TIMESPEC_DECLARED 100 struct timespec { 101 time_t tv_sec; /* seconds */ 102 long tv_nsec; /* and nanoseconds */ 103 }; 104 #endif 105 #endif /* Neither ANSI nor POSIX */ 106 107 struct tm { 108 int tm_sec; /* seconds after the minute [0-60] */ 109 int tm_min; /* minutes after the hour [0-59] */ 110 int tm_hour; /* hours since midnight [0-23] */ 111 int tm_mday; /* day of the month [1-31] */ 112 int tm_mon; /* months since January [0-11] */ 113 int tm_year; /* years since 1900 */ 114 int tm_wday; /* days since Sunday [0-6] */ 115 int tm_yday; /* days since January 1 [0-365] */ 116 int tm_isdst; /* Daylight Savings Time flag */ 117 long tm_gmtoff; /* offset from UTC in seconds */ 118 char *tm_zone; /* timezone abbreviation */ 119 }; 120 121 #include <sys/cdefs.h> 122 123 #ifndef _ANSI_SOURCE 124 extern char *tzname[]; 125 #endif 126 127 __BEGIN_DECLS 128 char *asctime __P((const struct tm *)); 129 clock_t clock __P((void)); 130 char *ctime __P((const time_t *)); 131 double difftime __P((time_t, time_t)); 132 struct tm *gmtime __P((const time_t *)); 133 struct tm *localtime __P((const time_t *)); 134 time_t mktime __P((struct tm *)); 135 size_t strftime __P((char *, size_t, const char *, const struct tm *)); 136 time_t time __P((time_t *)); 137 138 #ifndef _ANSI_SOURCE 139 time_t time32_to_time __P((__int32_t t32)); 140 __int32_t time_to_time32 __P((time_t t)); 141 time_t time64_to_time __P((__int64_t t64)); 142 __int64_t time_to_time64 __P((time_t t)); 143 long time_to_long __P((time_t t)); 144 time_t long_to_time __P((long tlong)); 145 int time_to_int __P((time_t t)); 146 time_t int_to_time __P((int tint)); 147 #endif /* not ANSI */ 148 149 #ifndef _ANSI_SOURCE 150 void tzset __P((void)); 151 #endif /* not ANSI */ 152 153 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE) 154 char *asctime_r __P((const struct tm *, char *)); 155 char *ctime_r __P((const time_t *, char *)); 156 struct tm *gmtime_r __P((const time_t *, struct tm *)); 157 struct tm *localtime_r __P((const time_t *, struct tm *)); 158 char *strptime __P((const char *, const char *, struct tm *)); 159 char *timezone __P((int, int)); 160 void tzsetwall __P((void)); 161 time_t timelocal __P((struct tm * const)); 162 time_t timegm __P((struct tm * const)); 163 #endif /* neither ANSI nor POSIX */ 164 165 #if !defined(_ANSI_SOURCE) && defined(_P1003_1B_VISIBLE_HISTORICALLY) 166 /* Introduced in POSIX 1003.1b-1993, not part of 1003.1-1990. */ 167 int clock_getres __P((clockid_t, struct timespec *)); 168 int clock_gettime __P((clockid_t, struct timespec *)); 169 int clock_settime __P((clockid_t, const struct timespec *)); 170 int nanosleep __P((const struct timespec *, struct timespec *)); 171 #endif /* neither ANSI nor POSIX */ 172 __END_DECLS 173 174 #endif /* !_TIME_H_ */ 175