Проверьте правильность кода

#include <windows.h>
#include <stdio.h>
 
DWORD res;
DWORD res2;
HANDLE  hThread1;
HANDLE  hThread2;
CRITICAL_SECTION CriticalSection;
DWORD WINAPI thr_proc1(LPVOID lpParameter)
{
    EnterCriticalSection(&CriticalSection);
    printf("potok 1 \n");
    printf("critical zanimaet potok 1 \n");
 
 
    HANDLE ev = CreateEvent(NULL, TRUE, TRUE, L"EV_");
    if (ev == NULL) throw;
    printf(" \n event  hochet zanyat' 1 potok");
    WaitForSingleObject(ev, INFINITE);
    return 1;
}
 
 
DWORD WINAPI thr_proc2(LPVOID lpParameter)
{
    HANDLE ev = CreateEvent(NULL, TRUE, TRUE, L"EV");
    printf("potok 2 \n");
    printf("event zanimaet potok 2 \n");
    if (ev == NULL) throw;
    WaitForSingleObject(ev, INFINITE);
 
 
    printf(" \n critical hochet zanyat' 2 potok");
    EnterCriticalSection(&CriticalSection);
}
 
int main(int argc, char** argv)
{
    hThread1 = CreateThread(NULL, 0, thr_proc1, NULL, 0, NULL);
    hThread2 = CreateThread(NULL, 0, thr_proc2, NULL, 0, NULL);
    
    WaitForSingleObject(hThread1, 1000);
    WaitForSingleObject(hThread2, 1000);
    CloseHandle(hThread1);
    CloseHandle(hThread2);
 
    Sleep(5000);
    
    printf(" \n end");
    //scanf("\n");
    return 0;
}