C / C++ / MFC

INT volatile runningThread = 5;	//number of running thread.

void Thread(DWORD time)	
{
	
	Sleep(time);
	
}

void main()
{

	INT i;
	HANDLE handle[5];
	DWORD threadID[5];

	DWORD time[5];
	time[0] = 10000;
	time[1] = 15000;
	time[2] = 20000;
	time[3] = 25000;
	time[4] = 30000;

	BOOL flag[5];
	for(i = 0; i < 5; i++)
		flag[i] = TRUE;
	
	for(i = 0; i < 5; i++)
	{
		handle [i] = CreateThread(0, 0, (LPTHREAD_START_ROUTINE)Thread 
									, (VOID *)time[i], NULL, &threadID[i]);
		
		if (handle[i] == 0)
			cout << "Create thread " << i << "failed " << GetLastError() << endl;
		
		cout << threadID[i] << endl;
	}
	
	while(WaitForMultipleObjects(5, handle, TRUE, 1000) == WAIT_TIMEOUT)
	{
		for (i = 0; i < 5 ; i++)
		{
			if(WaitForSingleObject(handle[i], 0) == WAIT_OBJECT_0 && flag[i] == TRUE)
			{
				runningThread--;
				flag[i] = FALSE;
			}
		}
		printf(" %d ", runningThread);
	}
	
	
	for(i = 0; i <5; i++)
	{
		if(!CloseHandle(handle[i]))
			cerr << "Failed to close process. Error number" << GetLastError() << endl;
		
	}

	cout << "\nAll threads have been terminated " << endl;