reactos/subsys/system/taskmgr/priority.c

   1 /*
   2  *  ReactOS Task Manager
   3  *
   4  *  priority.c
   5  *
   6  *  Copyright (C) 1999 - 2001  Brian Palmer  <brianp@reactos.org>
   7  *                2005         Klemens Friedl <frik85@reactos.at>
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  22  */
  23
  24 #include <precomp.h>
  25
  26 TCHAR                szTemp[256];
  27 TCHAR                szTempA[256];
  28
  29 void ProcessPage_OnSetPriorityRealTime(void)
  30 {
  31     LVITEM            lvitem;
  32     ULONG            Index;
  33     DWORD            dwProcessId;
  34     HANDLE            hProcess;
  35     TCHAR            strErrorText[260];
  36
  37     for (Index=0; Index<(ULONG)ListView_GetItemCount(hProcessPageListCtrl); Index++)
  38     {
  39         memset(&lvitem, 0, sizeof(LVITEM));
  40
  41         lvitem.mask = LVIF_STATE;
  42         lvitem.stateMask = LVIS_SELECTED;
  43         lvitem.iItem = Index;
  44
  45         ListView_GetItem(hProcessPageListCtrl, &lvitem);
  46
  47         if (lvitem.state & LVIS_SELECTED)
  48             break;
  49     }
  50
  51     dwProcessId = PerfDataGetProcessId(Index);
  52
  53     if ((ListView_GetSelectedCount(hProcessPageListCtrl) != 1) || (dwProcessId == 0))
  54         return;
  55
  56     LoadString(hInst, IDS_MSG_WARNINGCHANGEPRIORITY, szTemp, 256);
  57     LoadString(hInst, IDS_MSG_TASKMGRWARNING, szTempA, 256);
  58     if (MessageBox(hMainWnd, szTemp, szTempA, MB_YESNO|MB_ICONWARNING) != IDYES)
  59         return;
  60
  61     hProcess = OpenProcess(PROCESS_SET_INFORMATION, FALSE, dwProcessId);
  62
  63     if (!hProcess)
  64     {
  65         GetLastErrorText(strErrorText, 260);
  66         LoadString(hInst, IDS_MSG_UNABLECHANGEPRIORITY, szTemp, 256);
  67         MessageBox(hMainWnd, strErrorText, szTemp, MB_OK|MB_ICONSTOP);
  68         return;
  69     }
  70
  71     if (!SetPriorityClass(hProcess, REALTIME_PRIORITY_CLASS))
  72     {
  73         GetLastErrorText(strErrorText, 260);
  74         LoadString(hInst, IDS_MSG_UNABLECHANGEPRIORITY, szTemp, 256);
  75         MessageBox(hMainWnd, strErrorText, szTemp, MB_OK|MB_ICONSTOP);
  76     }
  77
  78     CloseHandle(hProcess);
  79 }
  80
  81 void ProcessPage_OnSetPriorityHigh(void)
  82 {
  83     LVITEM            lvitem;
  84     ULONG            Index;
  85     DWORD            dwProcessId;
  86     HANDLE            hProcess;
  87     TCHAR            strErrorText[260];
  88
  89     for (Index=0; Index<(ULONG)ListView_GetItemCount(hProcessPageListCtrl); Index++)
  90     {
  91         memset(&lvitem, 0, sizeof(LVITEM));
  92
  93         lvitem.mask = LVIF_STATE;
  94         lvitem.stateMask = LVIS_SELECTED;
  95         lvitem.iItem = Index;
  96
  97         ListView_GetItem(hProcessPageListCtrl, &lvitem);
  98
  99         if (lvitem.state & LVIS_SELECTED)
 100             break;
 101     }
 102
 103     dwProcessId = PerfDataGetProcessId(Index);
 104
 105     if ((ListView_GetSelectedCount(hProcessPageListCtrl) != 1) || (dwProcessId == 0))
 106         return;
 107
 108     LoadString(hInst, IDS_MSG_WARNINGCHANGEPRIORITY, szTemp, 256);
 109     LoadString(hInst, IDS_MSG_TASKMGRWARNING, szTempA, 256);
 110     if (MessageBox(hMainWnd, szTemp, szTempA, MB_YESNO|MB_ICONWARNING) != IDYES)
 111         return;
 112
 113     hProcess = OpenProcess(PROCESS_SET_INFORMATION, FALSE, dwProcessId);
 114
 115     if (!hProcess)
 116     {
 117         GetLastErrorText(strErrorText, 260);
 118         LoadString(hInst, IDS_MSG_UNABLECHANGEPRIORITY, szTemp, 256);
 119         MessageBox(hMainWnd, strErrorText, szTemp, MB_OK|MB_ICONSTOP);
 120         return;
 121     }
 122
 123     if (!SetPriorityClass(hProcess, HIGH_PRIORITY_CLASS))
 124     {
 125         GetLastErrorText(strErrorText, 260);
 126         LoadString(hInst, IDS_MSG_UNABLECHANGEPRIORITY, szTemp, 256);
 127         MessageBox(hMainWnd, strErrorText, szTemp, MB_OK|MB_ICONSTOP);
 128     }
 129
 130     CloseHandle(hProcess);
 131 }
 132
 133 void ProcessPage_OnSetPriorityAboveNormal(void)
 134 {
 135     LVITEM            lvitem;
 136     ULONG            Index;
 137     DWORD            dwProcessId;
 138     HANDLE            hProcess;
 139     TCHAR            strErrorText[260];
 140
 141     for (Index=0; Index<(ULONG)ListView_GetItemCount(hProcessPageListCtrl); Index++)
 142     {
 143         memset(&lvitem, 0, sizeof(LVITEM));
 144
 145         lvitem.mask = LVIF_STATE;
 146         lvitem.stateMask = LVIS_SELECTED;
 147         lvitem.iItem = Index;
 148
 149         ListView_GetItem(hProcessPageListCtrl, &lvitem);
 150
 151         if (lvitem.state & LVIS_SELECTED)
 152             break;
 153     }
 154
 155     dwProcessId = PerfDataGetProcessId(Index);
 156
 157     if ((ListView_GetSelectedCount(hProcessPageListCtrl) != 1) || (dwProcessId == 0))
 158         return;
 159
 160     LoadString(hInst, IDS_MSG_WARNINGCHANGEPRIORITY, szTemp, 256);
 161     LoadString(hInst, IDS_MSG_TASKMGRWARNING, szTempA, 256);
 162     if (MessageBox(hMainWnd, szTemp, szTempA, MB_YESNO|MB_ICONWARNING) != IDYES)
 163         return;
 164
 165     hProcess = OpenProcess(PROCESS_SET_INFORMATION, FALSE, dwProcessId);
 166
 167     if (!hProcess)
 168     {
 169         GetLastErrorText(strErrorText, 260);
 170         LoadString(hInst, IDS_MSG_UNABLECHANGEPRIORITY, szTemp, 256);
 171         MessageBox(hMainWnd, strErrorText, szTemp, MB_OK|MB_ICONSTOP);
 172         return;
 173     }
 174
 175     if (!SetPriorityClass(hProcess, ABOVE_NORMAL_PRIORITY_CLASS))
 176     {
 177         GetLastErrorText(strErrorText, 260);
 178         LoadString(hInst, IDS_MSG_UNABLECHANGEPRIORITY, szTemp, 256);
 179         MessageBox(hMainWnd, strErrorText, szTemp, MB_OK|MB_ICONSTOP);
 180     }
 181
 182     CloseHandle(hProcess);
 183 }
 184
 185 void ProcessPage_OnSetPriorityNormal(void)
 186 {
 187     LVITEM            lvitem;
 188     ULONG            Index;
 189     DWORD            dwProcessId;
 190     HANDLE            hProcess;
 191     TCHAR            strErrorText[260];
 192
 193     for (Index=0; Index<(ULONG)ListView_GetItemCount(hProcessPageListCtrl); Index++)
 194     {
 195         memset(&lvitem, 0, sizeof(LVITEM));
 196
 197         lvitem.mask = LVIF_STATE;
 198         lvitem.stateMask = LVIS_SELECTED;
 199         lvitem.iItem = Index;
 200
 201         ListView_GetItem(hProcessPageListCtrl, &lvitem);
 202
 203         if (lvitem.state & LVIS_SELECTED)
 204             break;
 205     }
 206
 207     dwProcessId = PerfDataGetProcessId(Index);
 208
 209     if ((ListView_GetSelectedCount(hProcessPageListCtrl) != 1) || (dwProcessId == 0))
 210         return;
 211
 212     LoadString(hInst, IDS_MSG_WARNINGCHANGEPRIORITY, szTemp, 256);
 213     LoadString(hInst, IDS_MSG_TASKMGRWARNING, szTempA, 256);
 214     if (MessageBox(hMainWnd, szTemp, szTempA, MB_YESNO|MB_ICONWARNING) != IDYES)
 215         return;
 216
 217     hProcess = OpenProcess(PROCESS_SET_INFORMATION, FALSE, dwProcessId);
 218
 219     if (!hProcess)
 220     {
 221         GetLastErrorText(strErrorText, 260);
 222         LoadString(hInst, IDS_MSG_UNABLECHANGEPRIORITY, szTemp, 256);
 223         MessageBox(hMainWnd, strErrorText, szTemp, MB_OK|MB_ICONSTOP);
 224         return;
 225     }
 226
 227     if (!SetPriorityClass(hProcess, NORMAL_PRIORITY_CLASS))
 228     {
 229         GetLastErrorText(strErrorText, 260);
 230         LoadString(hInst, IDS_MSG_UNABLECHANGEPRIORITY, szTemp, 256);
 231         MessageBox(hMainWnd, strErrorText, szTemp, MB_OK|MB_ICONSTOP);
 232     }
 233
 234     CloseHandle(hProcess);
 235 }
 236
 237 void ProcessPage_OnSetPriorityBelowNormal(void)
 238 {
 239     LVITEM            lvitem;
 240     ULONG            Index;
 241     DWORD            dwProcessId;
 242     HANDLE            hProcess;
 243     TCHAR            strErrorText[260];
 244
 245     for (Index=0; Index<(ULONG)ListView_GetItemCount(hProcessPageListCtrl); Index++)
 246     {
 247         memset(&lvitem, 0, sizeof(LVITEM));
 248
 249         lvitem.mask = LVIF_STATE;
 250         lvitem.stateMask = LVIS_SELECTED;
 251         lvitem.iItem = Index;
 252
 253         ListView_GetItem(hProcessPageListCtrl, &lvitem);
 254
 255         if (lvitem.state & LVIS_SELECTED)
 256             break;
 257     }
 258
 259     dwProcessId = PerfDataGetProcessId(Index);
 260
 261     if ((ListView_GetSelectedCount(hProcessPageListCtrl) != 1) || (dwProcessId == 0))
 262         return;
 263
 264     LoadString(hInst, IDS_MSG_WARNINGCHANGEPRIORITY, szTemp, 256);
 265     LoadString(hInst, IDS_MSG_TASKMGRWARNING, szTempA, 256);
 266     if (MessageBox(hMainWnd, szTemp, szTempA, MB_YESNO|MB_ICONWARNING) != IDYES)
 267         return;
 268
 269     hProcess = OpenProcess(PROCESS_SET_INFORMATION, FALSE, dwProcessId);
 270
 271     if (!hProcess)
 272     {
 273         GetLastErrorText(strErrorText, 260);
 274         LoadString(hInst, IDS_MSG_UNABLECHANGEPRIORITY, szTemp, 256);
 275         MessageBox(hMainWnd, strErrorText, szTemp, MB_OK|MB_ICONSTOP);
 276         return;
 277     }
 278
 279     if (!SetPriorityClass(hProcess, BELOW_NORMAL_PRIORITY_CLASS))
 280     {
 281         GetLastErrorText(strErrorText, 260);
 282         LoadString(hInst, IDS_MSG_UNABLECHANGEPRIORITY, szTemp, 256);
 283         MessageBox(hMainWnd, strErrorText, szTemp, MB_OK|MB_ICONSTOP);
 284     }
 285
 286     CloseHandle(hProcess);
 287 }
 288
 289 void ProcessPage_OnSetPriorityLow(void)
 290 {
 291     LVITEM            lvitem;
 292     ULONG            Index;
 293     DWORD            dwProcessId;
 294     HANDLE            hProcess;
 295     TCHAR            strErrorText[260];
 296
 297     for (Index=0; Index<(ULONG)ListView_GetItemCount(hProcessPageListCtrl); Index++)
 298     {
 299         memset(&lvitem, 0, sizeof(LVITEM));
 300
 301         lvitem.mask = LVIF_STATE;
 302         lvitem.stateMask = LVIS_SELECTED;
 303         lvitem.iItem = Index;
 304
 305         ListView_GetItem(hProcessPageListCtrl, &lvitem);
 306
 307         if (lvitem.state & LVIS_SELECTED)
 308             break;
 309     }
 310
 311     dwProcessId = PerfDataGetProcessId(Index);
 312
 313     if ((ListView_GetSelectedCount(hProcessPageListCtrl) != 1) || (dwProcessId == 0))
 314         return;
 315
 316     LoadString(hInst, IDS_MSG_WARNINGCHANGEPRIORITY, szTemp, 256);
 317     LoadString(hInst, IDS_MSG_TASKMGRWARNING, szTempA, 256);
 318     if (MessageBox(hMainWnd, szTemp, szTempA, MB_YESNO|MB_ICONWARNING) != IDYES)
 319         return;
 320
 321     hProcess = OpenProcess(PROCESS_SET_INFORMATION, FALSE, dwProcessId);
 322
 323     if (!hProcess)
 324     {
 325         GetLastErrorText(strErrorText, 260);
 326         LoadString(hInst, IDS_MSG_UNABLECHANGEPRIORITY, szTemp, 256);
 327         MessageBox(hMainWnd, strErrorText, szTemp, MB_OK|MB_ICONSTOP);
 328         return;
 329     }
 330
 331     if (!SetPriorityClass(hProcess, IDLE_PRIORITY_CLASS))
 332     {
 333         GetLastErrorText(strErrorText, 260);
 334         LoadString(hInst, IDS_MSG_UNABLECHANGEPRIORITY, szTemp, 256);
 335         MessageBox(hMainWnd, strErrorText, szTemp, MB_OK|MB_ICONSTOP);
 336     }
 337
 338     CloseHandle(hProcess);
 339 }