homework-jianmu/include/os/osTime.h

95 lines
3.1 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _TD_OS_TIME_H_
#define _TD_OS_TIME_H_
#ifdef __cplusplus
extern "C" {
#endif
// If the error is in a third-party library, place this header file under the third-party library header file.
// When you want to use this feature, you should find or add the same function in the following section.
#ifndef ALLOW_FORBID_FUNC
#define strptime STRPTIME_FUNC_TAOS_FORBID
#define gettimeofday GETTIMEOFDAY_FUNC_TAOS_FORBID
#define localtime LOCALTIME_FUNC_TAOS_FORBID
#define localtime_s LOCALTIMES_FUNC_TAOS_FORBID
#define localtime_r LOCALTIMER_FUNC_TAOS_FORBID
#define time TIME_FUNC_TAOS_FORBID
#define mktime MKTIME_FUNC_TAOS_FORBID
#endif
#ifdef WINDOWS
#define CLOCK_REALTIME 0
#define MILLISECOND_PER_SECOND (1000i64)
#else
#define MILLISECOND_PER_SECOND ((int64_t)1000L)
#endif
#define MILLISECOND_PER_MINUTE (MILLISECOND_PER_SECOND * 60)
#define MILLISECOND_PER_HOUR (MILLISECOND_PER_MINUTE * 60)
#define MILLISECOND_PER_DAY (MILLISECOND_PER_HOUR * 24)
#define MILLISECOND_PER_WEEK (MILLISECOND_PER_DAY * 7)
#define NANOSECOND_PER_USEC (1000L)
#define NANOSECOND_PER_MSEC (1000000L)
#define NANOSECOND_PER_SEC (1000000000L)
#define NANOSECOND_PER_MINUTE (NANOSECOND_PER_SEC * 60)
#define NANOSECOND_PER_HOUR (NANOSECOND_PER_MINUTE * 60)
#define NANOSECOND_PER_DAY (NANOSECOND_PER_HOUR * 24)
#define NANOSECOND_PER_WEEK (NANOSECOND_PER_DAY * 7)
int32_t taosGetTimeOfDay(struct timeval *tv);
int32_t taosClockGetTime(int clock_id, struct timespec *pTS);
//@return timestamp in second
int32_t taosGetTimestampSec();
//@return timestamp in millisecond
static FORCE_INLINE int64_t taosGetTimestampMs() {
struct timeval systemTime;
taosGetTimeOfDay(&systemTime);
return (int64_t)systemTime.tv_sec * 1000L + (int64_t)systemTime.tv_usec / 1000;
}
//@return timestamp in microsecond
static FORCE_INLINE int64_t taosGetTimestampUs() {
struct timeval systemTime;
taosGetTimeOfDay(&systemTime);
return (int64_t)systemTime.tv_sec * 1000000L + (int64_t)systemTime.tv_usec;
}
//@return timestamp in nanosecond
static FORCE_INLINE int64_t taosGetTimestampNs() {
struct timespec systemTime = {0};
taosClockGetTime(CLOCK_REALTIME, &systemTime);
return (int64_t)systemTime.tv_sec * 1000000000L + (int64_t)systemTime.tv_nsec;
}
char *taosStrpTime(const char *buf, const char *fmt, struct tm *tm);
struct tm *taosLocalTime(const time_t *timep, struct tm *result);
time_t taosTime(time_t *t);
time_t taosMktime(struct tm *timep);
#ifdef __cplusplus
}
#endif
#endif /*_TD_OS_TIME_H_*/