在Linux中,可以使用clock_gettime
函數(shù)來代替GetTickCount
函數(shù)來處理溢出問題。clock_gettime
函數(shù)返回當(dāng)前的時(shí)間戳,并且不會(huì)受到溢出的影響。下面是一個(gè)使用clock_gettime
函數(shù)計(jì)算時(shí)間間隔的示例代碼:
#include <stdio.h>
#include <time.h>
unsigned long GetTickCount()
{
struct timespec ts;
clock_gettime(CLOCK_MONOTONIC, &ts);
return (ts.tv_sec * 1000 + ts.tv_nsec / 1000000);
}
int main()
{
unsigned long start_time, end_time, elapsed_time;
start_time = GetTickCount();
// do some work here
end_time = GetTickCount();
elapsed_time = end_time - start_time;
printf("Elapsed time: %lu ms\n", elapsed_time);
return 0;
}
通過使用clock_gettime
函數(shù),可以避免GetTickCount
函數(shù)在Linux中可能出現(xiàn)的溢出問題。