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38 lines
902 B
C
38 lines
902 B
C
#pragma once
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#include "stddef.h"
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// 操作系统定义时间以ns为单位
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#define CLOCKS_PER_SEC 1000000
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struct tm
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{
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int tm_sec; /* Seconds. [0-60] (1 leap second) */
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int tm_min; /* Minutes. [0-59] */
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int tm_hour; /* Hours. [0-23] */
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int tm_mday; /* Day. [1-31] */
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int tm_mon; /* Month. [0-11] */
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int tm_year; /* Year - 1900. */
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int tm_wday; /* Day of week. [0-6] */
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int tm_yday; /* Days in year.[0-365] */
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int tm_isdst; /* DST. [-1/0/1]*/
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long int __tm_gmtoff; /* Seconds east of UTC. */
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const char *__tm_zone; /* Timezone abbreviation. */
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};
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struct timespec
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{
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long int tv_sec; // 秒
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long int tv_nsec; // 纳秒
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};
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/**
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* @brief 休眠指定时间
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*
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* @param rqtp 指定休眠的时间
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* @param rmtp 返回的剩余休眠时间
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* @return int
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*/
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int nanosleep(const struct timespec *rqtp, struct timespec *rmtp); |