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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2007-02-17 23:21:28 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2007-02-17 23:21:28 +0000 |
commit | e3940eb2080711edac189cca3f642ee89dc215f2 (patch) | |
tree | 1c390958fae49e34dce698b175487e6d4681e540 /nuttx/include/time.h | |
parent | 2223612deb2cc6322992f8595b6d6f86fcb53ae1 (diff) | |
download | px4-nuttx-e3940eb2080711edac189cca3f642ee89dc215f2.tar.gz px4-nuttx-e3940eb2080711edac189cca3f642ee89dc215f2.tar.bz2 px4-nuttx-e3940eb2080711edac189cca3f642ee89dc215f2.zip |
NuttX RTOS
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/include/time.h')
-rw-r--r-- | nuttx/include/time.h | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/nuttx/include/time.h b/nuttx/include/time.h new file mode 100644 index 000000000..0d0399e83 --- /dev/null +++ b/nuttx/include/time.h @@ -0,0 +1,126 @@ +/************************************************************ + * time.h + * + * Copyright (C) 2007 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name Gregory Nutt nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ************************************************************/ + +#ifndef _TIME_H_ +#define _TIME_H_ + +/************************************************************ + * Included Files + ************************************************************/ + +#undef EXTERN +#if defined(__cplusplus) +#define EXTERN extern "C" +extern "C" { +#else +#define EXTERN extern +#endif + +/************************************************************ + * Compilations Switches + ************************************************************/ + +/************************************************************ + * Definitions + ************************************************************/ + +/* This must be set to the last known date */ + +#define CURRENT_YEAR 2000 +#define CURRENT_MONTH 5 +#define CURRENT_DAY 22 + +/* This is the only clock_id supported by the "Clock and Timer + * Functions." + */ + +#define CLOCK_REALTIME 0 + +/************************************************************ + * Global Type Declarations + ************************************************************/ + +typedef long time_t; +typedef long clockid_t; + +struct timespec +{ + time_t tv_sec; /* Seconds */ + long tv_nsec; /* Nanoseconds */ +}; + +struct timeval +{ + time_t tv_sec; /* Seconds */ + long tv_usec; /* Microseconds */ +}; + +struct tm +{ + int tm_sec; /* second (0-61, allows for leap seconds) */ + int tm_min; /* minute (0-59) */ + int tm_hour; /* hour (0-23) */ + int tm_mday; /* day of the month (1-31) */ + int tm_mon; /* month (0-11) */ + int tm_year; /* years since 1900 */ +#if 0 /* not supported */ + int tm_wday; /* day of the week (0-6) */ + int tm_yday; /* day of the year (0-365) */ + int tm_isdst; /* non-0 if daylight savings time is in effect */ +#endif +}; + +/************************************************************ + * Global Variables + ************************************************************/ + +/************************************************************ + * Global Function Prototypes + ************************************************************/ + +EXTERN int clock_settime(clockid_t clock_id, const struct timespec *tp); +EXTERN int clock_gettime(clockid_t clock_id, struct timespec *tp); +EXTERN int clock_getres(clockid_t clock_id, struct timespec *res); + +EXTERN time_t mktime(struct tm *tp); +EXTERN struct tm *gmtime_r(const time_t *clock, struct tm *result); +#define localtime_r(c,r) gmtime_r(c,r) + +#undef EXTERN +#if defined(__cplusplus) +} +#endif + +#endif /* _TIME_H_ */ |