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