typedef struct _WORK {
  LIST_ENTRY Entry;
  PVOID Routine;
  PVOID Arg;
  HANDLE finished;
} WORK, *PWORK;

LIST_ENTRY WorkQueue;
RTL_CRITICAL_SECTION section;
HANDLE QueueSem;

PWORK CreateWork(PVOID aRoutine, PVOID aArg)
{
  PWORK ret = malloc(sizeof(WORK));
  if (ret != NULL) {
    InicializeListHead(&ret->Entry);
    ret->Routine = aRoutine;
    ret->Arg = aArg;
    ret->finished = CreateEvent(...., NULL); // unnamed
  }

  return ret;
}

VOID QueueWork(PWORK aWork)
{
  EnterCriticalSection(&section);
  InsertTailList(&WorkQueue, &aWork->Entry);
  LeaveCriticalSection(&section);
  ReleaseSemaphore(QueueSem, 1ú; // zvysime citac
  return;
}

PWORK GetWork(VOID)
{
  EnterCriticalSection(&section);
  PWORK ret = RemoveHeadList(&WorkQueue);
  LeaveCriticalSection(&section);
  return;
}

VOID __stdcall ThreadPoolThreadProc(PVOID NevimCo)
{
  do {
    WaitForSingleObject(QueueSem, INFINITE);
    PWORK wrk = GetWork();
    wrk->Routine(wrk->Arg);
    SetEvent(wrk->Finished;
  } while (!konec);

  return;
}