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// winapp_runs_pin.cpp : Defines the entry point for the application.
//
#define _CRT_SECURE_NO_WARNINGS
#include "stdafx.h"
#include "winapp_runs_pin.h"
#include <stdio.h>

FILE * fp;
#define MAX_LOADSTRING 100

// Global Variables:
HINSTANCE hInst;								// current instance
TCHAR szTitle[MAX_LOADSTRING];					// The title bar text
TCHAR szWindowClass[MAX_LOADSTRING];			// the main window class name

// Forward declarations of functions included in this code module:
ATOM				MyRegisterClass(HINSTANCE hInstance);
BOOL				InitInstance(HINSTANCE, int);
LRESULT CALLBACK	WndProc(HWND, UINT, WPARAM, LPARAM);
INT_PTR CALLBACK	About(HWND, UINT, WPARAM, LPARAM);

bool WaitAndVerify(HANDLE process)
{
    if(WaitForSingleObject( process, INFINITE ) == WAIT_FAILED)
    {
        fprintf (fp, "WaitAndVerify WAIT_FAILED\n");
        fflush (fp);
        return FALSE;
    }
    DWORD processExitCode;
    if(GetExitCodeProcess (process, &processExitCode) == FALSE)
    {
        fprintf (fp, "WaitAndVerify GetExitCodeProcess failed\n");
        fflush (fp);
        return FALSE;
    }
    if(processExitCode != 0)
    {
        fprintf (fp, "WaitAndVerify processExitCode!=0\n");
        fflush (fp);
        return FALSE;
    }
    fprintf (fp, "WaitAndVerify OK\n");
    fflush (fp);
    return TRUE;
}

int APIENTRY _tWinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPTSTR    lpCmdLine,
                     int       nCmdShow)
{
	UNREFERENCED_PARAMETER(hPrevInstance);
	UNREFERENCED_PARAMETER(lpCmdLine);

    fp = fopen ("winapp_runs_pin.txt", "w");

    char createProcessCmd[1024];
    memset (createProcessCmd, 0, 1024);
    strcpy (createProcessCmd, (const char *)lpCmdLine);
    fprintf (fp, "createProcessCmd: %s\n", createProcessCmd);
    char * ptr = strstr(createProcessCmd, "copy");
    ptr += 4;
    *ptr = 0;
    
    fprintf (fp, "createProcessCmd: %s\n", createProcessCmd);
    fflush (fp);
 	// TODO: Place code here.
	//MSG msg;
	HACCEL hAccelTable;

	// Initialize global strings
	LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
	LoadString(hInstance, IDC_WINAPP_RUNS_PIN, szWindowClass, MAX_LOADSTRING);
	MyRegisterClass(hInstance);

	// Perform application initialization:
	if (!InitInstance (hInstance, nCmdShow))
	{
		return FALSE;
	}

	hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_WINAPP_RUNS_PIN));

    STARTUPINFO         si;
    PROCESS_INFORMATION  pi;
    memset(&si, 0, sizeof(si));
    si.cb = sizeof(STARTUPINFO);
    memset(&pi, 0, sizeof(pi));
    fprintf (fp, "call CreateProcess\n");
    fflush (fp);
    // create the pin.exe process with these flags that may cause an extra conhost process
    DWORD flags = CREATE_NEW_PROCESS_GROUP | DETACHED_PROCESS;
	if (!CreateProcess(NULL, (LPSTR)createProcessCmd, NULL, NULL, TRUE, flags, 
        NULL, NULL, &si, &pi))
    {
        fprintf (fp, "CreateProcess failed\n");
        fflush (fp);
        return (-1);
    }
    fprintf (fp, "WaitAndVerify\n");
    fflush (fp);
    BOOL success = WaitAndVerify(pi.hProcess);
    fprintf (fp, "WaitAndVerify success %d\n", success);
    fflush (fp);
    if (success)
    {
        return (0);
    }
    else
    {
        return (-1);
    }
   
	/* Main message loop:
	while (GetMessage(&msg, NULL, 0, 0))
	{
		if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg))
		{
			TranslateMessage(&msg);
			DispatchMessage(&msg);
		}
	}

	return (int) msg.wParam;
    */
}



//
//  FUNCTION: MyRegisterClass()
//
//  PURPOSE: Registers the window class.
//
//  COMMENTS:
//
//    This function and its usage are only necessary if you want this code
//    to be compatible with Win32 systems prior to the 'RegisterClassEx'
//    function that was added to Windows 95. It is important to call this function
//    so that the application will get 'well formed' small icons associated
//    with it.
//
ATOM MyRegisterClass(HINSTANCE hInstance)
{
	WNDCLASSEX wcex;

	wcex.cbSize = sizeof(WNDCLASSEX);

	wcex.style			= CS_HREDRAW | CS_VREDRAW;
	wcex.lpfnWndProc	= WndProc;
	wcex.cbClsExtra		= 0;
	wcex.cbWndExtra		= 0;
	wcex.hInstance		= hInstance;
	wcex.hIcon			= LoadIcon(hInstance, MAKEINTRESOURCE(IDI_WINAPP_RUNS_PIN));
	wcex.hCursor		= LoadCursor(NULL, IDC_ARROW);
	wcex.hbrBackground	= (HBRUSH)(COLOR_WINDOW+1);
	wcex.lpszMenuName	= MAKEINTRESOURCE(IDC_WINAPP_RUNS_PIN);
	wcex.lpszClassName	= szWindowClass;
	wcex.hIconSm		= LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_SMALL));

	return RegisterClassEx(&wcex);
}

//
//   FUNCTION: InitInstance(HINSTANCE, int)
//
//   PURPOSE: Saves instance handle and creates main window
//
//   COMMENTS:
//
//        In this function, we save the instance handle in a global variable and
//        create and display the main program window.
//
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
   HWND hWnd;

   hInst = hInstance; // Store instance handle in our global variable

   hWnd = CreateWindow(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW,
      CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL);

   if (!hWnd)
   {
      return FALSE;
   }

   ShowWindow(hWnd, nCmdShow);
   UpdateWindow(hWnd);

   return TRUE;
}

//
//  FUNCTION: WndProc(HWND, UINT, WPARAM, LPARAM)
//
//  PURPOSE:  Processes messages for the main window.
//
//  WM_COMMAND	- process the application menu
//  WM_PAINT	- Paint the main window
//  WM_DESTROY	- post a quit message and return
//
//
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
	int wmId, wmEvent;
	PAINTSTRUCT ps;
	HDC hdc;

	switch (message)
	{
	case WM_COMMAND:
		wmId    = LOWORD(wParam);
		wmEvent = HIWORD(wParam);
		// Parse the menu selections:
		switch (wmId)
		{
		case IDM_ABOUT:
			DialogBox(hInst, MAKEINTRESOURCE(IDD_ABOUTBOX), hWnd, About);
			break;
		case IDM_EXIT:
			DestroyWindow(hWnd);
			break;
		default:
			return DefWindowProc(hWnd, message, wParam, lParam);
		}
		break;
	case WM_PAINT:
		hdc = BeginPaint(hWnd, &ps);
		// TODO: Add any drawing code here...
		EndPaint(hWnd, &ps);
		break;
	case WM_DESTROY:
		PostQuitMessage(0);
		break;
	default:
		return DefWindowProc(hWnd, message, wParam, lParam);
	}
	return 0;
}

// Message handler for about box.
INT_PTR CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
	UNREFERENCED_PARAMETER(lParam);
	switch (message)
	{
	case WM_INITDIALOG:
		return (INT_PTR)TRUE;

	case WM_COMMAND:
		if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)
		{
			EndDialog(hDlg, LOWORD(wParam));
			return (INT_PTR)TRUE;
		}
		break;
	}
	return (INT_PTR)FALSE;
}
