| 1 | /*
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| 2 | * Copyright (c) 2011 Petr Koupy
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| 3 | * Copyright (c) 2011 Jiri Zarevucky
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| 4 | * All rights reserved.
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| 5 | *
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| 6 | * Redistribution and use in source and binary forms, with or without
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| 7 | * modification, are permitted provided that the following conditions
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| 8 | * are met:
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| 9 | *
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| 10 | * - Redistributions of source code must retain the above copyright
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| 11 | * notice, this list of conditions and the following disclaimer.
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| 12 | * - Redistributions in binary form must reproduce the above copyright
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| 13 | * notice, this list of conditions and the following disclaimer in the
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| 14 | * documentation and/or other materials provided with the distribution.
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| 15 | * - The name of the author may not be used to endorse or promote products
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| 16 | * derived from this software without specific prior written permission.
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| 17 | *
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| 18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 28 | */
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| 29 |
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| 30 | /** @addtogroup libposix
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| 31 | * @{
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| 32 | */
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| 33 | /** @file Time measurement support.
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| 34 | */
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| 35 |
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| 36 | #ifndef POSIX_TIME_H_
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| 37 | #define POSIX_TIME_H_
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| 38 |
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| 39 | #ifndef __POSIX_DEF__
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| 40 | #define __POSIX_DEF__(x) x
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| 41 | #endif
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| 42 |
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| 43 | #include "sys/types.h"
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| 44 |
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| 45 | #ifndef NULL
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| 46 | #define NULL ((void *) 0)
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| 47 | #endif
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| 48 |
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| 49 | #ifndef CLOCKS_PER_SEC
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| 50 | #define CLOCKS_PER_SEC (1000000L)
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| 51 | #endif
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| 52 |
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| 53 | #ifndef __locale_t_defined
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| 54 | #define __locale_t_defined
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| 55 | typedef struct __posix_locale *__POSIX_DEF__(locale_t);
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| 56 | #ifndef LIBPOSIX_INTERNAL
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| 57 | #define locale_t __POSIX_DEF__(locale_t)
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| 58 | #endif
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| 59 | #endif
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| 60 |
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| 61 | #ifndef POSIX_SIGNAL_H_
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| 62 | struct __POSIX_DEF__(sigevent);
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| 63 | #ifndef LIBPOSIX_INTERNAL
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| 64 | #define sigevent __POSIX_DEF__(sigevent)
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| 65 | #endif
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| 66 | #endif
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| 67 |
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| 68 | #undef CLOCK_REALTIME
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| 69 | #define CLOCK_REALTIME ((__POSIX_DEF__(clockid_t)) 0)
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| 70 |
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| 71 | struct __POSIX_DEF__(timespec) {
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| 72 | time_t tv_sec; /* Seconds. */
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| 73 | long tv_nsec; /* Nanoseconds. */
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| 74 | };
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| 75 |
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| 76 | struct __POSIX_DEF__(itimerspec) {
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| 77 | struct __POSIX_DEF__(timespec) it_interval; /* Timer period. */
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| 78 | struct __POSIX_DEF__(timespec) it_value; /* Timer expiration. */
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| 79 | };
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| 80 |
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| 81 | typedef struct __posix_timer *__POSIX_DEF__(timer_t);
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| 82 |
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| 83 | /* Timezones */
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| 84 | extern int __POSIX_DEF__(daylight);
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| 85 | extern long __POSIX_DEF__(timezone);
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| 86 | extern char *__POSIX_DEF__(tzname)[2];
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| 87 | extern void __POSIX_DEF__(tzset)(void);
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| 88 |
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| 89 | /* Time */
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| 90 | extern time_t __POSIX_DEF__(time)(time_t *t);
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| 91 |
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| 92 | /* Broken-down Time */
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| 93 | extern struct tm *__POSIX_DEF__(gmtime_r)(const time_t *restrict timer,
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| 94 | struct tm *restrict result);
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| 95 | extern struct tm *__POSIX_DEF__(gmtime)(const time_t *restrict timep);
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| 96 | extern struct tm *__POSIX_DEF__(localtime_r)(const time_t *restrict timer,
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| 97 | struct tm *restrict result);
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| 98 | extern struct tm *__POSIX_DEF__(localtime)(const time_t *restrict timep);
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| 99 |
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| 100 | /* Formatting Calendar Time */
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| 101 | extern char *__POSIX_DEF__(asctime_r)(const struct tm *restrict timeptr,
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| 102 | char *restrict buf);
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| 103 | extern char *__POSIX_DEF__(asctime)(const struct tm *restrict timeptr);
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| 104 | extern char *__POSIX_DEF__(ctime_r)(const time_t *timer, char *buf);
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| 105 | extern char *__POSIX_DEF__(ctime)(const time_t *timer);
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| 106 | extern time_t time(time_t *t);
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| 107 |
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| 108 | /* Clocks */
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| 109 | extern int __POSIX_DEF__(clock_getres)(__POSIX_DEF__(clockid_t) clock_id,
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| 110 | struct __POSIX_DEF__(timespec) *res);
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| 111 | extern int __POSIX_DEF__(clock_gettime)(__POSIX_DEF__(clockid_t) clock_id,
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| 112 | struct __POSIX_DEF__(timespec) *tp);
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| 113 | extern int __POSIX_DEF__(clock_settime)(__POSIX_DEF__(clockid_t) clock_id,
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| 114 | const struct __POSIX_DEF__(timespec) *tp);
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| 115 | extern int __POSIX_DEF__(clock_nanosleep)(__POSIX_DEF__(clockid_t) clock_id, int flags,
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| 116 | const struct __POSIX_DEF__(timespec) *rqtp, struct __POSIX_DEF__(timespec) *rmtp);
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| 117 |
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| 118 | /* CPU Time */
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| 119 | extern __POSIX_DEF__(clock_t) __POSIX_DEF__(clock)(void);
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| 120 |
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| 121 |
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| 122 | #endif // POSIX_TIME_H_
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| 123 |
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| 124 | /** @}
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| 125 | */
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