programs/taskmgr/debug.c

   1 /*
   2  *  ReactOS Task Manager
   3  *
   4  *  debug.c
   5  *
   6  *  Copyright (C) 1999 - 2001  Brian Palmer  <brianp@reactos.org>
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #define WIN32_LEAN_AND_MEAN    /* Exclude rarely-used stuff from Windows headers */
  24 #include <windows.h>
  25 #include <commctrl.h>
  26 #include <stdlib.h>
  27 #include <malloc.h>
  28 #include <memory.h>
  29 #include <tchar.h>
  30 #include <stdio.h>
  31 #include <winnt.h>
  32
  33 #include "taskmgr.h"
  34 #include "perfdata.h"
  35
  36 void ProcessPage_OnDebug(void)
  37 {
  38     LVITEM                lvitem;
  39     ULONG                Index;
  40     DWORD                dwProcessId;
  41     TCHAR                strErrorText[260];
  42     HKEY                hKey;
  43     TCHAR                strDebugPath[260];
  44     TCHAR                strDebugger[260];
  45     DWORD                dwDebuggerSize;
  46     PROCESS_INFORMATION    pi;
  47     STARTUPINFO            si;
  48     HANDLE                hDebugEvent;
  49
  50     for (Index=0; Index<(ULONG)ListView_GetItemCount(hProcessPageListCtrl); Index++)
  51     {
  52         memset(&lvitem, 0, sizeof(LVITEM));
  53
  54         lvitem.mask = LVIF_STATE;
  55         lvitem.stateMask = LVIS_SELECTED;
  56         lvitem.iItem = Index;
  57
  58         SendMessage(hProcessPageListCtrl, LVM_GETITEM, 0, (LPARAM) &lvitem);
  59
  60         if (lvitem.state & LVIS_SELECTED)
  61             break;
  62     }
  63
  64     dwProcessId = PerfDataGetProcessId(Index);
  65
  66     if ((ListView_GetSelectedCount(hProcessPageListCtrl) != 1) || (dwProcessId == 0))
  67         return;
  68
  69     if (MessageBox(hMainWnd, _T("WARNING: Debugging this process may result in loss of data.\nAre you sure you wish to attach the debugger?"), _T("Task Manager Warning"), MB_YESNO|MB_ICONWARNING) != IDYES)
  70     {
  71         GetLastErrorText(strErrorText, 260);
  72         MessageBox(hMainWnd, strErrorText, _T("Unable to Debug Process"), MB_OK|MB_ICONSTOP);
  73         return;
  74     }
  75
  76     if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, _T("Software\\Microsoft\\Windows NT\\CurrentVersion\\AeDebug"), 0, KEY_READ, &hKey) != ERROR_SUCCESS)
  77     {
  78         GetLastErrorText(strErrorText, 260);
  79         MessageBox(hMainWnd, strErrorText, _T("Unable to Debug Process"), MB_OK|MB_ICONSTOP);
  80         return;
  81     }
  82
  83     dwDebuggerSize = 260;
  84     if (RegQueryValueEx(hKey, _T("Debugger"), NULL, NULL, (LPBYTE)strDebugger, &dwDebuggerSize) != ERROR_SUCCESS)
  85     {
  86         GetLastErrorText(strErrorText, 260);
  87         MessageBox(hMainWnd, strErrorText, _T("Unable to Debug Process"), MB_OK|MB_ICONSTOP);
  88         RegCloseKey(hKey);
  89         return;
  90     }
  91
  92     RegCloseKey(hKey);
  93
  94     hDebugEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
  95     if (!hDebugEvent)
  96     {
  97         GetLastErrorText(strErrorText, 260);
  98         MessageBox(hMainWnd, strErrorText, _T("Unable to Debug Process"), MB_OK|MB_ICONSTOP);
  99         return;
 100     }
 101
 102     wsprintf(strDebugPath, strDebugger, dwProcessId, hDebugEvent);
 103
 104     memset(&pi, 0, sizeof(PROCESS_INFORMATION));
 105     memset(&si, 0, sizeof(STARTUPINFO));
 106     si.cb = sizeof(STARTUPINFO);
 107     if (!CreateProcess(NULL, strDebugPath, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi))
 108     {
 109         GetLastErrorText(strErrorText, 260);
 110         MessageBox(hMainWnd, strErrorText, _T("Unable to Debug Process"), MB_OK|MB_ICONSTOP);
 111     }
 112
 113     CloseHandle(hDebugEvent);
 114 }