Więcej wątków w oddzielnym pliku

#include <iostream>
#include <windows.h>
#include <conio.h>
#include "stdafx.h"
#include"pi.h"

using namespace std;


DWORD WINAPI watek_1( PVOID pvParam )


{
   
    extern ogulna du;
    du.dd = 9;
    cout << "To jest watek numer 1\n";
    return 0;
}


DWORD WINAPI watek_2( PVOID pvParam )
{ extern ogulna du;
    du.dd = 9;
    cout << "To jest watek numer 2\n";
    return 0;
}
DWORD WINAPI watek_3( PVOID pvParam )
{
    extern ogulna du;
    du.dd = 9;
    cout << "To jest watek numer 2\n";
    return 0;
   
   
   
   
    HANDLE proces = GetCurrentProcess();
    SetPriorityClass( proces, ABOVE_NORMAL_PRIORITY_CLASS );
   
    DWORD watek1;
    HANDLE hWatek_1 = CreateThread( NULL, 0, watek_1, NULL, 0, & watek1 );
   
    SuspendThread( hWatek_1 );
    SetThreadPriority( hWatek_1, THREAD_PRIORITY_NORMAL ); //10 
    ResumeThread( hWatek_1 );
   
   
    DWORD watek2;
    HANDLE hWatek_2 = CreateThread( NULL, 0, watek_2, NULL, 0, & watek2 );
    SuspendThread( hWatek_2 );
    SetThreadPriority( hWatek_2, THREAD_PRIORITY_TIME_CRITICAL ); //15
    ResumeThread( hWatek_2 );
   
    HANDLE watek_glowny = GetCurrentThread();
    SetThreadPriority( watek_glowny, THREAD_PRIORITY_LOWEST );
   
    cout << "To jest watek glowny\n";
   
    getch();
   
    return 0;
   
}