void mSleep(int mDelay)//毫秒数
{
mDelay *= 1000; //转换成微秒
LARGE_INTEGER t1, t2, freq;
QueryPerformanceFrequency(&freq);
QueryPerformanceCounter(&t1);
do
{
QueryPerformanceCounter(&t2);
} while ((((t2.QuadPart - t1.QuadPart) * 1000 * 1000) / (freq.QuadPart)) < (mDelay)); //微秒比较
}
C++中的Sleep精度只有10毫秒以上才是准确的,比如Sleep(1)实际上可能Sleep了10毫秒,以上mSleep可以解决这个问题
标签：高精度,t2,t1,mDelay,Sleep,QuadPart,sleep,freq From： https://www.cnblogs.com/cnblog-caoliang/p/17021107.html