| 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 | #include "sys/types.h"
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| 40 |
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| 41 | #include <_bits/NULL.h>
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| 42 |
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| 43 | #include "libc/time.h"
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| 44 |
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| 45 | #ifndef CLOCKS_PER_SEC
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| 46 | #define CLOCKS_PER_SEC (1000000L)
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| 47 | #endif
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| 48 |
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| 49 | #ifndef __locale_t_defined
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| 50 | #define __locale_t_defined
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| 51 | typedef struct __posix_locale *locale_t;
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| 52 | #endif
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| 53 |
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| 54 | #ifndef POSIX_SIGNAL_H_
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| 55 | struct sigevent;
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| 56 | #endif
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| 57 |
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| 58 | #undef CLOCK_REALTIME
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| 59 | #define CLOCK_REALTIME ((clockid_t) 0)
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| 60 |
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| 61 | #define ASCTIME_BUF_LEN 26
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| 62 |
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| 63 | struct itimerspec {
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| 64 | struct timespec it_interval; /* Timer period. */
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| 65 | struct timespec it_value; /* Timer expiration. */
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| 66 | };
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| 67 |
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| 68 | typedef struct __posix_timer *timer_t;
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| 69 |
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| 70 | /* Timezones */
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| 71 | extern int daylight;
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| 72 | extern long timezone;
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| 73 | extern char *tzname[2];
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| 74 | extern void tzset(void);
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| 75 |
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| 76 | /* Time */
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| 77 | extern time_t time(time_t *t);
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| 78 |
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| 79 | /* Broken-down Time */
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| 80 | extern struct tm *gmtime_r(const time_t *__restrict__ timer,
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| 81 | struct tm *__restrict__ result);
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| 82 | extern struct tm *gmtime(const time_t *__restrict__ timep);
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| 83 | extern struct tm *localtime_r(const time_t *__restrict__ timer,
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| 84 | struct tm *__restrict__ result);
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| 85 | extern struct tm *localtime(const time_t *__restrict__ timep);
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| 86 |
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| 87 | /* Formatting Calendar Time */
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| 88 | extern char *asctime_r(const struct tm *__restrict__ timeptr,
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| 89 | char *__restrict__ buf);
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| 90 | extern char *asctime(const struct tm *__restrict__ timeptr);
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| 91 | extern char *ctime_r(const time_t *timer, char *buf);
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| 92 | extern char *ctime(const time_t *timer);
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| 93 | extern time_t time(time_t *t);
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| 94 |
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| 95 | /* Clocks */
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| 96 | extern int clock_getres(clockid_t clock_id,
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| 97 | struct timespec *res);
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| 98 | extern int clock_gettime(clockid_t clock_id,
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| 99 | struct timespec *tp);
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| 100 | extern int clock_settime(clockid_t clock_id,
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| 101 | const struct timespec *tp);
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| 102 | extern int clock_nanosleep(clockid_t clock_id, int flags,
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| 103 | const struct timespec *rqtp, struct timespec *rmtp);
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| 104 |
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| 105 | /* CPU Time */
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| 106 | extern clock_t clock(void);
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| 107 |
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| 108 | #endif // POSIX_TIME_H_
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| 109 |
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| 110 | /** @}
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| 111 | */
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