include/time.h

   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  * $DragonFly: src/include/time.h,v 1.5 2005/01/27 02:50:01 joerg Exp $
  40  */
  41
  42 #ifndef _TIME_H_
  43 #define _TIME_H_
  44
  45 #ifndef _MACHINE_STDINT_H_
  46 #include <machine/stdint.h>
  47 #endif
  48 #include <machine/uvparam.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 #ifndef _CLOCK_T_DECLARED
  67 #define _CLOCK_T_DECLARED
  68 typedef __clock_t       clock_t;
  69 #endif
  70
  71 #ifndef _TIME_T_DECLARED
  72 #define _TIME_T_DECLARED
  73 typedef __time_t        time_t;
  74 #endif
  75
  76 /* XXX I'm not sure if _ANSI_SOURCE is playing properly
  77  *     with the setups in _posix.h:
  78  */
  79 #if !defined(_ANSI_SOURCE) && defined(_P1003_1B_VISIBLE_HISTORICALLY)
  80 /*
  81  * New in POSIX 1003.1b-1993.
  82  */
  83 #ifndef _CLOCKID_T_DECLARED
  84 #define _CLOCKID_T_DECLARED
  85 typedef __clockid_t     clockid_t;
  86 #endif
  87
  88 #ifndef _SIZE_T_DECLARED
  89 #define _SIZE_T_DECLARED
  90 typedef __size_t        size_t;
  91 #endif
  92
  93 #ifndef _TIMER_T_DECLARED
  94 #define _TIMER_T_DECLARED
  95 typedef __timer_t       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 CUT 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 (const struct tm *);
 129 clock_t clock (void);
 130 char *ctime (const time_t *);
 131 double difftime (time_t, time_t);
 132 struct tm *gmtime (const time_t *);
 133 struct tm *localtime (const time_t *);
 134 time_t mktime (struct tm *);
 135 size_t strftime (char *, size_t, const char *, const struct tm *);
 136 time_t time (time_t *);
 137
 138 #ifndef _ANSI_SOURCE
 139 void tzset (void);
 140 #endif /* not ANSI */
 141
 142 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
 143 char *asctime_r (const struct tm *, char *);
 144 char *ctime_r (const time_t *, char *);
 145 struct tm *gmtime_r (const time_t *, struct tm *);
 146 struct tm *localtime_r (const time_t *, struct tm *);
 147 char *strptime (const char *, const char *, struct tm *);
 148 char *timezone (int, int);
 149 void tzsetwall (void);
 150 time_t timelocal (struct tm * const);
 151 time_t timegm (struct tm * const);
 152 #endif /* neither ANSI nor POSIX */
 153
 154 #if !defined(_ANSI_SOURCE) && defined(_P1003_1B_VISIBLE_HISTORICALLY)
 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 /* neither ANSI nor POSIX */
 161 __END_DECLS
 162
 163 #endif /* !_TIME_H_ */