VxWorks中如何设置和获取系统时间？

本示例代码演示了在VxWorks操作系统中如何设置和获取系统时间，使用了Wind River提供的API函数。

#include <time.h>
#include <timers.h>

void set_system_time(int year, int month, int day, int hour, int min, int sec)
{
    struct tm t;
    bzero((char *)&t, sizeof(struct tm));
    t.tm_year = year - 1900;
    t.tm_mon = month - 1; 
    t.tm_mday = day; 
    t.tm_hour = hour; 
    t.tm_min = min; 
    t.tm_sec = sec; 
    long timeStamp = mktime(&t);
    struct timespec tms;
    tms.tv_sec = timeStamp;
    tms.tv_nsec = 0;
    clock_settime(CLOCK_REALTIME, &tms);
}

void get_system_time()
{
    time_t t;
    struct tm *timeinfo;
    char buffer[80];

    time(&t);
    timeinfo = localtime(&t);
    strftime(buffer, 80, "Time: %Y-%m-%d %H:%M:%S", timeinfo);

    printf("%s\n", buffer);
}

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