getprocesstimes.cpp

有关程序计时方法的介绍

#include <stdio.h>
#include <windows.h>

void ptime()
{
	FILETIME t1, t2, t3, t4;
	SYSTEMTIME t;
	GetProcessTimes(
		GetCurrentProcess(),
		&t1, &t2, &t3, &t4
		);
	FileTimeToSystemTime(&t4, &t);
	printf("Hour = %d\tMin = %d\tSec = %d\tMs = %d\n", t.wHour, t.wMinute, t.wSecond, t.wMilliseconds);
}

int main()
{
	for(int i = 0; i < 100; ++i)
	{
		ptime();
//		Sleep(1000);
		for(int k = 0; k < 10000000; ++k);
	}
	return 0;
}