programs/taskmgr/endproc.c

   1 /*
   2  *  ReactOS Task Manager
   3  *
   4  *  endproc.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_OnEndProcess(void)
  37 {
  38     LVITEM            lvitem;
  39     ULONG            Index;
  40     DWORD            dwProcessId;
  41     HANDLE            hProcess;
  42     TCHAR            strErrorText[260];
  43
  44     for (Index=0; Index<(ULONG)ListView_GetItemCount(hProcessPageListCtrl); Index++)
  45     {
  46         memset(&lvitem, 0, sizeof(LVITEM));
  47
  48         lvitem.mask = LVIF_STATE;
  49         lvitem.stateMask = LVIS_SELECTED;
  50         lvitem.iItem = Index;
  51
  52         SendMessage(hProcessPageListCtrl, LVM_GETITEM, 0, (LPARAM) &lvitem);
  53
  54         if (lvitem.state & LVIS_SELECTED)
  55             break;
  56     }
  57
  58     dwProcessId = PerfDataGetProcessId(Index);
  59
  60     if ((ListView_GetSelectedCount(hProcessPageListCtrl) != 1) || (dwProcessId == 0))
  61         return;
  62
  63     if (MessageBox(hMainWnd, _T("WARNING: Terminating a process can cause undesired\nresults including loss of data and system instability. The\nprocess will not be given the chance to save its state or\ndata before it is terminated. Are you sure you want to\nterminate the process?"), _T("Task Manager Warning"), MB_YESNO|MB_ICONWARNING) != IDYES)
  64         return;
  65
  66     hProcess = OpenProcess(PROCESS_TERMINATE, FALSE, dwProcessId);
  67
  68     if (!hProcess)
  69     {
  70         GetLastErrorText(strErrorText, 260);
  71         MessageBox(hMainWnd, strErrorText, _T("Unable to Terminate Process"), MB_OK|MB_ICONSTOP);
  72         return;
  73     }
  74
  75     if (!TerminateProcess(hProcess, 0))
  76     {
  77         GetLastErrorText(strErrorText, 260);
  78         MessageBox(hMainWnd, strErrorText, _T("Unable to Terminate Process"), MB_OK|MB_ICONSTOP);
  79     }
  80
  81     CloseHandle(hProcess);
  82 }
  83
  84 void ProcessPage_OnEndProcessTree(void)
  85 {
  86     LVITEM            lvitem;
  87     ULONG            Index;
  88     DWORD            dwProcessId;
  89     HANDLE            hProcess;
  90     TCHAR            strErrorText[260];
  91
  92     for (Index=0; Index<(ULONG)ListView_GetItemCount(hProcessPageListCtrl); Index++)
  93     {
  94         memset(&lvitem, 0, sizeof(LVITEM));
  95
  96         lvitem.mask = LVIF_STATE;
  97         lvitem.stateMask = LVIS_SELECTED;
  98         lvitem.iItem = Index;
  99
 100         SendMessage(hProcessPageListCtrl, LVM_GETITEM, 0, (LPARAM) &lvitem);
 101
 102         if (lvitem.state & LVIS_SELECTED)
 103             break;
 104     }
 105
 106     dwProcessId = PerfDataGetProcessId(Index);
 107
 108     if ((ListView_GetSelectedCount(hProcessPageListCtrl) != 1) || (dwProcessId == 0))
 109         return;
 110
 111     if (MessageBox(hMainWnd, _T("WARNING: Terminating a process can cause undesired\nresults including loss of data and system instability. The\nprocess will not be given the chance to save its state or\ndata before it is terminated. Are you sure you want to\nterminate the process?"), _T("Task Manager Warning"), MB_YESNO|MB_ICONWARNING) != IDYES)
 112         return;
 113
 114     hProcess = OpenProcess(PROCESS_TERMINATE, FALSE, dwProcessId);
 115
 116     if (!hProcess)
 117     {
 118         GetLastErrorText(strErrorText, 260);
 119         MessageBox(hMainWnd, strErrorText, _T("Unable to Terminate Process"), MB_OK|MB_ICONSTOP);
 120         return;
 121     }
 122
 123     if (!TerminateProcess(hProcess, 0))
 124     {
 125         GetLastErrorText(strErrorText, 260);
 126         MessageBox(hMainWnd, strErrorText, _T("Unable to Terminate Process"), MB_OK|MB_ICONSTOP);
 127     }
 128
 129     CloseHandle(hProcess);
 130 }