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