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

102 lines
2.6 KiB
C

/*
* Copyright (c) 2006-2021, 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 <time.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* Skip define timespec for IAR version over 8.10.1 where __VER__ is 8010001.
*/
#if defined ( __ICCARM__ ) && (__VER__ >= 8010001)
#define _TIMESPEC_DEFINED
#endif
#ifndef _TIMEVAL_DEFINED
#define _TIMEVAL_DEFINED
/*
* Structure returned by gettimeofday(2) system call,
* and used in other calls.
*/
#if !(defined(_WIN32))
struct timeval {
long tv_sec; /* seconds */
long tv_usec; /* and microseconds */
};
#endif
#endif /* _TIMEVAL_DEFINED */
#if !(defined(__GNUC__) && !defined(__ARMCC_VERSION)/*GCC*/) && !defined (__ICCARM__) && !defined (_WIN32)
struct timespec {
time_t tv_sec; /* seconds */
long tv_nsec; /* and nanoseconds */
};
#endif
struct timezone {
int tz_minuteswest; /* minutes west of Greenwich */
int tz_dsttime; /* type of dst correction */
};
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);
#endif
#ifdef RT_USING_POSIX
#include <sys/types.h>
/* 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
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_time_to_tick(const struct timespec *time);
#endif /* RT_USING_POSIX */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_TIME_H_ */