/*
 * Copyright 2002-2019 Intel Corporation.
 * 
 * This software is provided to you as Sample Source Code as defined in the accompanying
 * End User License Agreement for the Intel(R) Software Development Products ("Agreement")
 * section 1.L.
 * 
 * This software and the related documents are provided as is, with no express or implied
 * warranties, other than those that are expressly stated in the License.
 */

#include <Windows.h>
#include <iostream>
#include <stdio.h>

using std::string;
using std::endl;
using std::cout;
using std::flush;
static volatile int i = 0;
static HANDLE threadHandle = NULL;

extern "C" __declspec(dllexport) __declspec(noinline) DWORD WINAPI ThreadProc(VOID * p)
{
    i++;
    return 0;
}

BOOL WINAPI DllMain(HANDLE hDll, DWORD dwReason, LPVOID lpReserved)
{
    switch (dwReason) 
    {
      case DLL_PROCESS_ATTACH:
      {
          threadHandle = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)ThreadProc, NULL, 0, NULL);
          if (threadHandle != NULL)
          {
              cout << "Creating thread in DllMain(PROCESS_ATTACH)" << endl << flush;
          }
          else
          {
              cout << "Failed to create thread in DllMain(PROCESS_ATTACH)" << endl << flush;
          }
          i = 12;
          break;
      }  
      case DLL_THREAD_ATTACH:
      case DLL_THREAD_DETACH: 
      case DLL_PROCESS_DETACH:
      default:
          break; 
    } 
    return TRUE; 
}

extern "C" __declspec(dllexport) int Something()
{
    // Proceed only when either the thread was not created or finished.
    WaitForSingleObject(threadHandle, INFINITE);
    return i;
}