rt-thread-official/components/libc/compilers/common/sys/time.h

156 lines
4.6 KiB
C

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