linux 读取系统时间

最新推荐文章于 2024-05-23 14:00:00 发布

原创最新推荐文章于 2024-05-23 14:00:00 发布 · 285 阅读

0 ·

CC 4.0 BY-SA版权

linux 专栏收录该内容

45 篇文章

订阅专栏

#include<stdio.h>
#include<stdlib.h>
#include<time.h>
int main(void){
        struct timespec time_start={0, 0},time_end={0, 0};
        clock_gettime(CLOCK_REALTIME, &time_start);
        printf("start time %ld,%ld ns\n", time_start.tv_sec, time_start.tv_nsec);
        clock_gettime(CLOCK_REALTIME, &time_end);
        printf("end   time %lds,%ld ns\n", time_end.tv_sec, time_end.tv_nsec);
        printf("duration:%lds %ld ns\n", time_end.tv_sec-time_start.tv_sec, time_end.tv_nsec-time_start.tv_nsec);
        return 0;
}