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今天遇到一个BUG修改的判定问题。

客户端A启动安装程序B进行自升级，B杀掉A及启动A的服务。然后B进行升级，升级完成后启动A。

问题出在InstallShield制作的B(静默安装包)，Ｂ杀掉A后，也退出了。

打包的同学怀疑：A是Ｂ的父进程，A被杀掉后，也消失了。

为了验证是否如此，是改安装包，还是改客户端，写一个测试程序来判断修改方。

测试程序Ｃ模拟Ｂ杀Ａ，　如果A以同样的方式启动Ｃ，C杀掉A后，如果C没有退出，证明安装包有问题。

测试程序的思路：

* 用管理员权限启动C

* 从进程管理器中，取得被杀进程的PID, 填入C.

* OpenProcess(PID), 取得进城句柄hProcess

* TerminateProcess(hProcess), 提示结果。

测试代码如下：

// srcKillPidDlg.h : header file
//#pragma once// CsrcKillPidDlg dialog
class CsrcKillPidDlg : public CDialogEx
{
// Construction
public:CsrcKillPidDlg(CWnd* pParent = NULL);	// standard constructor// Dialog Dataenum { IDD = IDD_SRCKILLPID_DIALOG };protected:virtual void DoDataExchange(CDataExchange* pDX);	// DDX/DDV support// Implementation
protected:HICON m_hIcon;// Generated message map functionsvirtual BOOL OnInitDialog();afx_msg void OnSysCommand(UINT nID, LPARAM lParam);afx_msg void OnPaint();afx_msg HCURSOR OnQueryDragIcon();DECLARE_MESSAGE_MAP()
public:long m_lPid;afx_msg void OnBnClickedBtnKill();
};

// srcKillPidDlg.cpp : implementation file
//#include "stdafx.h"
#include "srcKillPid.h"
#include "srcKillPidDlg.h"
#include "afxdialogex.h"#ifdef _DEBUG
#define new DEBUG_NEW
#endif// CAboutDlg dialog used for App Aboutclass CAboutDlg : public CDialogEx
{
public:CAboutDlg();// Dialog Dataenum { IDD = IDD_ABOUTBOX };protected:virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support// Implementation
protected:DECLARE_MESSAGE_MAP()
};CAboutDlg::CAboutDlg() : CDialogEx(CAboutDlg::IDD)
{
}void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{CDialogEx::DoDataExchange(pDX);
}BEGIN_MESSAGE_MAP(CAboutDlg, CDialogEx)
END_MESSAGE_MAP()// CsrcKillPidDlg dialogCsrcKillPidDlg::CsrcKillPidDlg(CWnd* pParent /*=NULL*/): CDialogEx(CsrcKillPidDlg::IDD, pParent), m_lPid(0)
{m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}void CsrcKillPidDlg::DoDataExchange(CDataExchange* pDX)
{CDialogEx::DoDataExchange(pDX);DDX_Text(pDX, IDC_EDIT_PID, m_lPid);
}BEGIN_MESSAGE_MAP(CsrcKillPidDlg, CDialogEx)ON_WM_SYSCOMMAND()ON_WM_PAINT()ON_WM_QUERYDRAGICON()ON_BN_CLICKED(IDC_BTN_KILL, &CsrcKillPidDlg::OnBnClickedBtnKill)
END_MESSAGE_MAP()// CsrcKillPidDlg message handlersBOOL CsrcKillPidDlg::OnInitDialog()
{CDialogEx::OnInitDialog();// Add "About..." menu item to system menu.// IDM_ABOUTBOX must be in the system command range.ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);ASSERT(IDM_ABOUTBOX < 0xF000);CMenu* pSysMenu = GetSystemMenu(FALSE);if (pSysMenu != NULL){BOOL bNameValid;CString strAboutMenu;bNameValid = strAboutMenu.LoadString(IDS_ABOUTBOX);ASSERT(bNameValid);if (!strAboutMenu.IsEmpty()){pSysMenu->AppendMenu(MF_SEPARATOR);pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);}}// Set the icon for this dialog.  The framework does this automatically//  when the application's main window is not a dialogSetIcon(m_hIcon, TRUE);			// Set big iconSetIcon(m_hIcon, FALSE);		// Set small icon// TODO: Add extra initialization herereturn TRUE;  // return TRUE  unless you set the focus to a control
}void CsrcKillPidDlg::OnSysCommand(UINT nID, LPARAM lParam)
{if ((nID & 0xFFF0) == IDM_ABOUTBOX){CAboutDlg dlgAbout;dlgAbout.DoModal();}else{CDialogEx::OnSysCommand(nID, lParam);}
}// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.void CsrcKillPidDlg::OnPaint()
{if (IsIconic()){CPaintDC dc(this); // device context for paintingSendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);// Center icon in client rectangleint cxIcon = GetSystemMetrics(SM_CXICON);int cyIcon = GetSystemMetrics(SM_CYICON);CRect rect;GetClientRect(&rect);int x = (rect.Width() - cxIcon + 1) / 2;int y = (rect.Height() - cyIcon + 1) / 2;// Draw the icondc.DrawIcon(x, y, m_hIcon);}else{CDialogEx::OnPaint();}
}// The system calls this function to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CsrcKillPidDlg::OnQueryDragIcon()
{return static_cast<HCURSOR>(m_hIcon);
}void CsrcKillPidDlg::OnBnClickedBtnKill()
{BOOL	bRc = FALSE;DWORD	dwRc = 0;HANDLE	hProcess = NULL;UpdateData(TRUE);hProcess = ::OpenProcess(PROCESS_ALL_ACCESS, FALSE, m_lPid);bRc = ::TerminateProcess(hProcess, dwRc);::MessageBox(this->m_hWnd,bRc ? L"Kill OK\r\n" : L"Kill Failed\r\n", L"Kill Result", MB_OK | MB_ICONINFORMATION); 
}