198 lines
5.9 KiB
C
198 lines
5.9 KiB
C
/*
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* Copyright (c) 2006-2022, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2020-09-07 Meco Man combine gcc armcc iccarm
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* 2021-02-12 Meco Man move all definitions located in <clock_time.h> to this file
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*/
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#ifndef __SYS_TIME_H__
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#define __SYS_TIME_H__
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#include <rtconfig.h>
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#include <sys/types.h>
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#include <stdint.h>
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#include <time.h>
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#ifdef _WIN32
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typedef __time64_t time_t;
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#endif /* _WIN32 */
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#undef CLOCKS_PER_SEC
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#define CLOCKS_PER_SEC RT_TICK_PER_SECOND
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/* timezone */
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#define DST_NONE 0 /* not on dst */
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#define DST_USA 1 /* USA style dst */
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#define DST_AUST 2 /* Australian style dst */
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#define DST_WET 3 /* Western European dst */
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#define DST_MET 4 /* Middle European dst */
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#define DST_EET 5 /* Eastern European dst */
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#define DST_CAN 6 /* Canada */
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#define DST_GB 7 /* Great Britain and Eire */
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#define DST_RUM 8 /* Rumania */
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#define DST_TUR 9 /* Turkey */
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#define DST_AUSTALT 10 /* Australian style with shift in 1986 */
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struct itimerspec;
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struct timezone
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{
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int tz_minuteswest; /* minutes west of Greenwich */
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int tz_dsttime; /* type of dst correction */
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};
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#if defined(_GNU_SOURCE) && (defined(__x86_64__) || defined(__i386__))
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/* linux x86 platform gcc use! */
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#define _TIMEVAL_DEFINED
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/* Values for the first argument to `getitimer' and `setitimer'. */
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enum __itimer_which
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{
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/* Timers run in real time. */
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ITIMER_REAL = 0,
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#define ITIMER_REAL ITIMER_REAL
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/* Timers run only when the process is executing. */
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ITIMER_VIRTUAL = 1,
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#define ITIMER_VIRTUAL ITIMER_VIRTUAL
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/* Timers run when the process is executing and when
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the system is executing on behalf of the process. */
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ITIMER_PROF = 2
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#define ITIMER_PROF ITIMER_PROF
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};
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struct itimerval
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{
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/* Value to put into `it_value' when the timer expires. */
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struct timeval it_interval;
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/* Time to the next timer expiration. */
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struct timeval it_value;
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};
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#endif /* defined(_GNU_SOURCE) && (defined(__x86_64__) || defined(__i386__)) */
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#ifndef _TIMEVAL_DEFINED
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#define _TIMEVAL_DEFINED
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struct timeval
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{
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time_t tv_sec; /* seconds */
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suseconds_t tv_usec; /* and microseconds */
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};
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#endif /* _TIMEVAL_DEFINED */
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#if defined(__ARMCC_VERSION) || defined(_WIN32) || (defined(__ICCARM__) && (__VER__ < 8010001))
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struct timespec
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{
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time_t tv_sec; /* seconds */
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long tv_nsec; /* and nanoseconds */
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};
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#endif /* defined(__ARMCC_VERSION) || defined(_WIN32) || (defined(__ICCARM__) && (__VER__ < 8010001)) */
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#if !(defined(__GNUC__) && !defined(__ARMCC_VERSION)/*GCC*/)
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/*
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* Structure defined by POSIX.1b to be like a itimerval, but with
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* timespecs. Used in the timer_*() system calls.
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*/
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struct itimerspec
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{
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struct timespec it_interval;
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struct timespec it_value;
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};
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#endif /* !(defined(__GNUC__) && !defined(__ARMCC_VERSION)) */
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int stime(const time_t *t);
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time_t timegm(struct tm * const t);
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int gettimeofday(struct timeval *tv, struct timezone *tz);
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int settimeofday(const struct timeval *tv, const struct timezone *tz);
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#if defined(__ARMCC_VERSION) || defined (__ICCARM__) || defined(_WIN32)
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struct tm *gmtime_r(const time_t *timep, struct tm *r);
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char* asctime_r(const struct tm *t, char *buf);
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char *ctime_r(const time_t * tim_p, char * result);
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struct tm* localtime_r(const time_t* t, struct tm* r);
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#endif /* defined(__ARMCC_VERSION) || defined (__ICCARM__) || defined(_WIN32) */
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#ifdef _WIN32
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struct tm* gmtime(const time_t* t);
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struct tm* localtime(const time_t* t);
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time_t mktime(struct tm* const t);
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char* ctime(const time_t* tim_p);
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time_t time(time_t* t);
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#endif /* _WIN32 */
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#ifdef RT_USING_POSIX_DELAY
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int nanosleep(const struct timespec *rqtp, struct timespec *rmtp);
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#endif /* RT_USING_POSIX_DELAY */
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#define MILLISECOND_PER_SECOND 1000UL
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#define MICROSECOND_PER_SECOND 1000000UL
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#define NANOSECOND_PER_SECOND 1000000000UL
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#define MILLISECOND_PER_TICK (MILLISECOND_PER_SECOND / RT_TICK_PER_SECOND)
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#define MICROSECOND_PER_TICK (MICROSECOND_PER_SECOND / RT_TICK_PER_SECOND)
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#define NANOSECOND_PER_TICK (NANOSECOND_PER_SECOND / RT_TICK_PER_SECOND)
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#if defined(RT_USING_POSIX_CLOCK) || defined (RT_USING_POSIX_TIMER)
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/* POSIX clock and timer */
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#ifndef CLOCK_REALTIME
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#define CLOCK_REALTIME 1
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#endif /* CLOCK_REALTIME */
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#define CLOCK_CPUTIME_ID 2
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#ifndef CLOCK_PROCESS_CPUTIME_ID
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#define CLOCK_PROCESS_CPUTIME_ID CLOCK_CPUTIME_ID
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#endif /* CLOCK_PROCESS_CPUTIME_ID */
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#ifndef CLOCK_THREAD_CPUTIME_ID
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#define CLOCK_THREAD_CPUTIME_ID CLOCK_CPUTIME_ID
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#endif /* CLOCK_THREAD_CPUTIME_ID */
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#ifndef CLOCK_MONOTONIC
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#define CLOCK_MONOTONIC 4
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#endif /* CLOCK_MONOTONIC */
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#ifndef TIMER_ABSTIME
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#define TIMER_ABSTIME 4
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#endif /* TIMER_ABSTIME */
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#ifdef CLOCK_TAI
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#define CLOCK_ID_MAX CLOCK_TAI
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#else
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#define CLOCK_ID_MAX CLOCK_MONOTONIC
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#endif
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#endif /* defined(RT_USING_POSIX_CLOCK) || defined (RT_USING_POSIX_TIMER) */
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#ifdef RT_USING_POSIX_CLOCK
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int clock_getres (clockid_t clockid, struct timespec *res);
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int clock_gettime (clockid_t clockid, struct timespec *tp);
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int clock_settime (clockid_t clockid, const struct timespec *tp);
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int clock_nanosleep(clockid_t clockid, int flags, const struct timespec *rqtp, struct timespec *rmtp);
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int rt_timespec_to_tick(const struct timespec *time);
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#endif /* RT_USING_POSIX_CLOCK */
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#ifdef RT_USING_POSIX_TIMER
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#include <sys/signal.h>
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int timer_create(clockid_t clockid, struct sigevent *evp, timer_t *timerid);
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int timer_delete(timer_t timerid);
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int timer_getoverrun(timer_t timerid);
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int timer_gettime(timer_t timerid, struct itimerspec *its);
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int timer_settime(timer_t timerid, int flags, const struct itimerspec *value, struct itimerspec *ovalue);
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#endif /* RT_USING_POSIX_TIMER */
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/* timezone */
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void tz_set(int8_t tz);
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int8_t tz_get(void);
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int8_t tz_is_dst(void);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* _SYS_TIME_H_ */
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