C / C++ / MFC

<br />
void Function1(int *a, int *b, int *c, int count)<br />
{<br />
	for(int i=0; i< count; i++)<br />
		c[i] = a[i] * b[i];<br />
}<br />

<br />
main()<br />
{<br />
	//QueryPerformanceCounter - start<br />
	Function1(a,b,c,count);<br />
	///QueryPerformanceCounter - end<br />
<br />
	OtherFunction(...);<br />
}

void Function2(int *a, int *b, int *c, int count)<br />
{<br />
	AfxBeginThread1()// for data in the range of 0 -> count/2, handled by this thread<br />
	AfxBeginThread2()// for data in the range of count/2 -> count<br />
}

<br />
main()<br />
{<br />
	Function2(a,b,c,count);<br />
	// How to measure the time Function2 takes? Function2 is multithreaded.<br />
	// Time it takes for both thread to finish, <br />
<br />
<br />
	// How do i block OtherFunction from executing before Function2 finishes,<br />
	// that means both threads started from Function2 have finished??<br />
<br />
	OtherFunction(...);<br />
}