programs/taskmgr/affinity.c

   1 /*
   2  *  ReactOS Task Manager
   3  *
   4  *  affinity.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 <winnt.h>
  31 #include <stdio.h>
  32
  33 #include "taskmgr.h"
  34 #include "perfdata.h"
  35
  36 HANDLE        hProcessAffinityHandle;
  37
  38 static INT_PTR CALLBACK
  39 AffinityDialogWndProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
  40 {
  41     DWORD_PTR dwProcessAffinityMask = 0;
  42     DWORD_PTR dwSystemAffinityMask = 0;
  43     TCHAR     strErrorText[260];
  44
  45     switch (message) {
  46     case WM_INITDIALOG:
  47
  48         /*
  49          * Get the current affinity mask for the process and
  50          * the number of CPUs present in the system
  51          */
  52         if (!GetProcessAffinityMask(hProcessAffinityHandle, &dwProcessAffinityMask, &dwSystemAffinityMask))    {
  53             GetLastErrorText(strErrorText, 260);
  54             EndDialog(hDlg, 0);
  55             MessageBox(hMainWnd, strErrorText, _T("Unable to Access or Set Process Affinity"), MB_OK|MB_ICONSTOP);
  56         }
  57
  58         /*
  59          * Enable a checkbox for each processor present in the system
  60          */
  61         if (dwSystemAffinityMask & 0x00000001)
  62             EnableWindow(GetDlgItem(hDlg, IDC_CPU0), TRUE);
  63         if (dwSystemAffinityMask & 0x00000002)
  64             EnableWindow(GetDlgItem(hDlg, IDC_CPU1), TRUE);
  65         if (dwSystemAffinityMask & 0x00000004)
  66             EnableWindow(GetDlgItem(hDlg, IDC_CPU2), TRUE);
  67         if (dwSystemAffinityMask & 0x00000008)
  68             EnableWindow(GetDlgItem(hDlg, IDC_CPU3), TRUE);
  69         if (dwSystemAffinityMask & 0x00000010)
  70             EnableWindow(GetDlgItem(hDlg, IDC_CPU4), TRUE);
  71         if (dwSystemAffinityMask & 0x00000020)
  72             EnableWindow(GetDlgItem(hDlg, IDC_CPU5), TRUE);
  73         if (dwSystemAffinityMask & 0x00000040)
  74             EnableWindow(GetDlgItem(hDlg, IDC_CPU6), TRUE);
  75         if (dwSystemAffinityMask & 0x00000080)
  76             EnableWindow(GetDlgItem(hDlg, IDC_CPU7), TRUE);
  77         if (dwSystemAffinityMask & 0x00000100)
  78             EnableWindow(GetDlgItem(hDlg, IDC_CPU8), TRUE);
  79         if (dwSystemAffinityMask & 0x00000200)
  80             EnableWindow(GetDlgItem(hDlg, IDC_CPU9), TRUE);
  81         if (dwSystemAffinityMask & 0x00000400)
  82             EnableWindow(GetDlgItem(hDlg, IDC_CPU10), TRUE);
  83         if (dwSystemAffinityMask & 0x00000800)
  84             EnableWindow(GetDlgItem(hDlg, IDC_CPU11), TRUE);
  85         if (dwSystemAffinityMask & 0x00001000)
  86             EnableWindow(GetDlgItem(hDlg, IDC_CPU12), TRUE);
  87         if (dwSystemAffinityMask & 0x00002000)
  88             EnableWindow(GetDlgItem(hDlg, IDC_CPU13), TRUE);
  89         if (dwSystemAffinityMask & 0x00004000)
  90             EnableWindow(GetDlgItem(hDlg, IDC_CPU14), TRUE);
  91         if (dwSystemAffinityMask & 0x00008000)
  92             EnableWindow(GetDlgItem(hDlg, IDC_CPU15), TRUE);
  93         if (dwSystemAffinityMask & 0x00010000)
  94             EnableWindow(GetDlgItem(hDlg, IDC_CPU16), TRUE);
  95         if (dwSystemAffinityMask & 0x00020000)
  96             EnableWindow(GetDlgItem(hDlg, IDC_CPU17), TRUE);
  97         if (dwSystemAffinityMask & 0x00040000)
  98             EnableWindow(GetDlgItem(hDlg, IDC_CPU18), TRUE);
  99         if (dwSystemAffinityMask & 0x00080000)
 100             EnableWindow(GetDlgItem(hDlg, IDC_CPU19), TRUE);
 101         if (dwSystemAffinityMask & 0x00100000)
 102             EnableWindow(GetDlgItem(hDlg, IDC_CPU20), TRUE);
 103         if (dwSystemAffinityMask & 0x00200000)
 104             EnableWindow(GetDlgItem(hDlg, IDC_CPU21), TRUE);
 105         if (dwSystemAffinityMask & 0x00400000)
 106             EnableWindow(GetDlgItem(hDlg, IDC_CPU22), TRUE);
 107         if (dwSystemAffinityMask & 0x00800000)
 108             EnableWindow(GetDlgItem(hDlg, IDC_CPU23), TRUE);
 109         if (dwSystemAffinityMask & 0x01000000)
 110             EnableWindow(GetDlgItem(hDlg, IDC_CPU24), TRUE);
 111         if (dwSystemAffinityMask & 0x02000000)
 112             EnableWindow(GetDlgItem(hDlg, IDC_CPU25), TRUE);
 113         if (dwSystemAffinityMask & 0x04000000)
 114             EnableWindow(GetDlgItem(hDlg, IDC_CPU26), TRUE);
 115         if (dwSystemAffinityMask & 0x08000000)
 116             EnableWindow(GetDlgItem(hDlg, IDC_CPU27), TRUE);
 117         if (dwSystemAffinityMask & 0x10000000)
 118             EnableWindow(GetDlgItem(hDlg, IDC_CPU28), TRUE);
 119         if (dwSystemAffinityMask & 0x20000000)
 120             EnableWindow(GetDlgItem(hDlg, IDC_CPU29), TRUE);
 121         if (dwSystemAffinityMask & 0x40000000)
 122             EnableWindow(GetDlgItem(hDlg, IDC_CPU30), TRUE);
 123         if (dwSystemAffinityMask & 0x80000000)
 124             EnableWindow(GetDlgItem(hDlg, IDC_CPU31), TRUE);
 125
 126
 127         /*
 128          * Check each checkbox that the current process
 129          * has affinity with
 130          */
 131         if (dwProcessAffinityMask & 0x00000001)
 132             SendMessage(GetDlgItem(hDlg, IDC_CPU0), BM_SETCHECK, BST_CHECKED, 0);
 133         if (dwProcessAffinityMask & 0x00000002)
 134             SendMessage(GetDlgItem(hDlg, IDC_CPU1), BM_SETCHECK, BST_CHECKED, 0);
 135         if (dwProcessAffinityMask & 0x00000004)
 136             SendMessage(GetDlgItem(hDlg, IDC_CPU2), BM_SETCHECK, BST_CHECKED, 0);
 137         if (dwProcessAffinityMask & 0x00000008)
 138             SendMessage(GetDlgItem(hDlg, IDC_CPU3), BM_SETCHECK, BST_CHECKED, 0);
 139         if (dwProcessAffinityMask & 0x00000010)
 140             SendMessage(GetDlgItem(hDlg, IDC_CPU4), BM_SETCHECK, BST_CHECKED, 0);
 141         if (dwProcessAffinityMask & 0x00000020)
 142             SendMessage(GetDlgItem(hDlg, IDC_CPU5), BM_SETCHECK, BST_CHECKED, 0);
 143         if (dwProcessAffinityMask & 0x00000040)
 144             SendMessage(GetDlgItem(hDlg, IDC_CPU6), BM_SETCHECK, BST_CHECKED, 0);
 145         if (dwProcessAffinityMask & 0x00000080)
 146             SendMessage(GetDlgItem(hDlg, IDC_CPU7), BM_SETCHECK, BST_CHECKED, 0);
 147         if (dwProcessAffinityMask & 0x00000100)
 148             SendMessage(GetDlgItem(hDlg, IDC_CPU8), BM_SETCHECK, BST_CHECKED, 0);
 149         if (dwProcessAffinityMask & 0x00000200)
 150             SendMessage(GetDlgItem(hDlg, IDC_CPU9), BM_SETCHECK, BST_CHECKED, 0);
 151         if (dwProcessAffinityMask & 0x00000400)
 152             SendMessage(GetDlgItem(hDlg, IDC_CPU10), BM_SETCHECK, BST_CHECKED, 0);
 153         if (dwProcessAffinityMask & 0x00000800)
 154             SendMessage(GetDlgItem(hDlg, IDC_CPU11), BM_SETCHECK, BST_CHECKED, 0);
 155         if (dwProcessAffinityMask & 0x00001000)
 156             SendMessage(GetDlgItem(hDlg, IDC_CPU12), BM_SETCHECK, BST_CHECKED, 0);
 157         if (dwProcessAffinityMask & 0x00002000)
 158             SendMessage(GetDlgItem(hDlg, IDC_CPU13), BM_SETCHECK, BST_CHECKED, 0);
 159         if (dwProcessAffinityMask & 0x00004000)
 160             SendMessage(GetDlgItem(hDlg, IDC_CPU14), BM_SETCHECK, BST_CHECKED, 0);
 161         if (dwProcessAffinityMask & 0x00008000)
 162             SendMessage(GetDlgItem(hDlg, IDC_CPU15), BM_SETCHECK, BST_CHECKED, 0);
 163         if (dwProcessAffinityMask & 0x00010000)
 164             SendMessage(GetDlgItem(hDlg, IDC_CPU16), BM_SETCHECK, BST_CHECKED, 0);
 165         if (dwProcessAffinityMask & 0x00020000)
 166             SendMessage(GetDlgItem(hDlg, IDC_CPU17), BM_SETCHECK, BST_CHECKED, 0);
 167         if (dwProcessAffinityMask & 0x00040000)
 168             SendMessage(GetDlgItem(hDlg, IDC_CPU18), BM_SETCHECK, BST_CHECKED, 0);
 169         if (dwProcessAffinityMask & 0x00080000)
 170             SendMessage(GetDlgItem(hDlg, IDC_CPU19), BM_SETCHECK, BST_CHECKED, 0);
 171         if (dwProcessAffinityMask & 0x00100000)
 172             SendMessage(GetDlgItem(hDlg, IDC_CPU20), BM_SETCHECK, BST_CHECKED, 0);
 173         if (dwProcessAffinityMask & 0x00200000)
 174             SendMessage(GetDlgItem(hDlg, IDC_CPU21), BM_SETCHECK, BST_CHECKED, 0);
 175         if (dwProcessAffinityMask & 0x00400000)
 176             SendMessage(GetDlgItem(hDlg, IDC_CPU22), BM_SETCHECK, BST_CHECKED, 0);
 177         if (dwProcessAffinityMask & 0x00800000)
 178             SendMessage(GetDlgItem(hDlg, IDC_CPU23), BM_SETCHECK, BST_CHECKED, 0);
 179         if (dwProcessAffinityMask & 0x01000000)
 180             SendMessage(GetDlgItem(hDlg, IDC_CPU24), BM_SETCHECK, BST_CHECKED, 0);
 181         if (dwProcessAffinityMask & 0x02000000)
 182             SendMessage(GetDlgItem(hDlg, IDC_CPU25), BM_SETCHECK, BST_CHECKED, 0);
 183         if (dwProcessAffinityMask & 0x04000000)
 184             SendMessage(GetDlgItem(hDlg, IDC_CPU26), BM_SETCHECK, BST_CHECKED, 0);
 185         if (dwProcessAffinityMask & 0x08000000)
 186             SendMessage(GetDlgItem(hDlg, IDC_CPU27), BM_SETCHECK, BST_CHECKED, 0);
 187         if (dwProcessAffinityMask & 0x10000000)
 188             SendMessage(GetDlgItem(hDlg, IDC_CPU28), BM_SETCHECK, BST_CHECKED, 0);
 189         if (dwProcessAffinityMask & 0x20000000)
 190             SendMessage(GetDlgItem(hDlg, IDC_CPU29), BM_SETCHECK, BST_CHECKED, 0);
 191         if (dwProcessAffinityMask & 0x40000000)
 192             SendMessage(GetDlgItem(hDlg, IDC_CPU30), BM_SETCHECK, BST_CHECKED, 0);
 193         if (dwProcessAffinityMask & 0x80000000)
 194             SendMessage(GetDlgItem(hDlg, IDC_CPU31), BM_SETCHECK, BST_CHECKED, 0);
 195
 196         return TRUE;
 197
 198     case WM_COMMAND:
 199
 200         /*
 201          * If the user has cancelled the dialog box
 202          * then just close it
 203          */
 204         if (LOWORD(wParam) == IDCANCEL) {
 205             EndDialog(hDlg, LOWORD(wParam));
 206             return TRUE;
 207         }
 208
 209         /*
 210          * The user has clicked OK -- so now we have
 211          * to adjust the process affinity mask
 212          */
 213         if (LOWORD(wParam) == IDOK) {
 214             /*
 215              * First we have to create a mask out of each
 216              * checkbox that the user checked.
 217              */
 218             if (SendMessage(GetDlgItem(hDlg, IDC_CPU0), BM_GETCHECK, 0, 0))
 219                 dwProcessAffinityMask |= 0x00000001;
 220             if (SendMessage(GetDlgItem(hDlg, IDC_CPU1), BM_GETCHECK, 0, 0))
 221                 dwProcessAffinityMask |= 0x00000002;
 222             if (SendMessage(GetDlgItem(hDlg, IDC_CPU2), BM_GETCHECK, 0, 0))
 223                 dwProcessAffinityMask |= 0x00000004;
 224             if (SendMessage(GetDlgItem(hDlg, IDC_CPU3), BM_GETCHECK, 0, 0))
 225                 dwProcessAffinityMask |= 0x00000008;
 226             if (SendMessage(GetDlgItem(hDlg, IDC_CPU4), BM_GETCHECK, 0, 0))
 227                 dwProcessAffinityMask |= 0x00000010;
 228             if (SendMessage(GetDlgItem(hDlg, IDC_CPU5), BM_GETCHECK, 0, 0))
 229                 dwProcessAffinityMask |= 0x00000020;
 230             if (SendMessage(GetDlgItem(hDlg, IDC_CPU6), BM_GETCHECK, 0, 0))
 231                 dwProcessAffinityMask |= 0x00000040;
 232             if (SendMessage(GetDlgItem(hDlg, IDC_CPU7), BM_GETCHECK, 0, 0))
 233                 dwProcessAffinityMask |= 0x00000080;
 234             if (SendMessage(GetDlgItem(hDlg, IDC_CPU8), BM_GETCHECK, 0, 0))
 235                 dwProcessAffinityMask |= 0x00000100;
 236             if (SendMessage(GetDlgItem(hDlg, IDC_CPU9), BM_GETCHECK, 0, 0))
 237                 dwProcessAffinityMask |= 0x00000200;
 238             if (SendMessage(GetDlgItem(hDlg, IDC_CPU10), BM_GETCHECK, 0, 0))
 239                 dwProcessAffinityMask |= 0x00000400;
 240             if (SendMessage(GetDlgItem(hDlg, IDC_CPU11), BM_GETCHECK, 0, 0))
 241                 dwProcessAffinityMask |= 0x00000800;
 242             if (SendMessage(GetDlgItem(hDlg, IDC_CPU12), BM_GETCHECK, 0, 0))
 243                 dwProcessAffinityMask |= 0x00001000;
 244             if (SendMessage(GetDlgItem(hDlg, IDC_CPU13), BM_GETCHECK, 0, 0))
 245                 dwProcessAffinityMask |= 0x00002000;
 246             if (SendMessage(GetDlgItem(hDlg, IDC_CPU14), BM_GETCHECK, 0, 0))
 247                 dwProcessAffinityMask |= 0x00004000;
 248             if (SendMessage(GetDlgItem(hDlg, IDC_CPU15), BM_GETCHECK, 0, 0))
 249                 dwProcessAffinityMask |= 0x00008000;
 250             if (SendMessage(GetDlgItem(hDlg, IDC_CPU16), BM_GETCHECK, 0, 0))
 251                 dwProcessAffinityMask |= 0x00010000;
 252             if (SendMessage(GetDlgItem(hDlg, IDC_CPU17), BM_GETCHECK, 0, 0))
 253                 dwProcessAffinityMask |= 0x00020000;
 254             if (SendMessage(GetDlgItem(hDlg, IDC_CPU18), BM_GETCHECK, 0, 0))
 255                 dwProcessAffinityMask |= 0x00040000;
 256             if (SendMessage(GetDlgItem(hDlg, IDC_CPU19), BM_GETCHECK, 0, 0))
 257                 dwProcessAffinityMask |= 0x00080000;
 258             if (SendMessage(GetDlgItem(hDlg, IDC_CPU20), BM_GETCHECK, 0, 0))
 259                 dwProcessAffinityMask |= 0x00100000;
 260             if (SendMessage(GetDlgItem(hDlg, IDC_CPU21), BM_GETCHECK, 0, 0))
 261                 dwProcessAffinityMask |= 0x00200000;
 262             if (SendMessage(GetDlgItem(hDlg, IDC_CPU22), BM_GETCHECK, 0, 0))
 263                 dwProcessAffinityMask |= 0x00400000;
 264             if (SendMessage(GetDlgItem(hDlg, IDC_CPU23), BM_GETCHECK, 0, 0))
 265                 dwProcessAffinityMask |= 0x00800000;
 266             if (SendMessage(GetDlgItem(hDlg, IDC_CPU24), BM_GETCHECK, 0, 0))
 267                 dwProcessAffinityMask |= 0x01000000;
 268             if (SendMessage(GetDlgItem(hDlg, IDC_CPU25), BM_GETCHECK, 0, 0))
 269                 dwProcessAffinityMask |= 0x02000000;
 270             if (SendMessage(GetDlgItem(hDlg, IDC_CPU26), BM_GETCHECK, 0, 0))
 271                 dwProcessAffinityMask |= 0x04000000;
 272             if (SendMessage(GetDlgItem(hDlg, IDC_CPU27), BM_GETCHECK, 0, 0))
 273                 dwProcessAffinityMask |= 0x08000000;
 274             if (SendMessage(GetDlgItem(hDlg, IDC_CPU28), BM_GETCHECK, 0, 0))
 275                 dwProcessAffinityMask |= 0x10000000;
 276             if (SendMessage(GetDlgItem(hDlg, IDC_CPU29), BM_GETCHECK, 0, 0))
 277                 dwProcessAffinityMask |= 0x20000000;
 278             if (SendMessage(GetDlgItem(hDlg, IDC_CPU30), BM_GETCHECK, 0, 0))
 279                 dwProcessAffinityMask |= 0x40000000;
 280             if (SendMessage(GetDlgItem(hDlg, IDC_CPU31), BM_GETCHECK, 0, 0))
 281                 dwProcessAffinityMask |= 0x80000000;
 282
 283             /*
 284              * Make sure they are giving the process affinity
 285              * with at least one processor. I'd hate to see a
 286              * process that is not in a wait state get deprived
 287              * of it's cpu time.
 288              */
 289             if (!dwProcessAffinityMask) {
 290                 MessageBox(hDlg, _T("The process must have affinity with at least one processor."), _T("Invalid Option"), MB_OK|MB_ICONSTOP);
 291                 return TRUE;
 292             }
 293
 294             /*
 295              * Try to set the process affinity
 296              */
 297             if (!SetProcessAffinityMask(hProcessAffinityHandle, dwProcessAffinityMask)) {
 298                 GetLastErrorText(strErrorText, 260);
 299                 EndDialog(hDlg, LOWORD(wParam));
 300                 MessageBox(hMainWnd, strErrorText, _T("Unable to Access or Set Process Affinity"), MB_OK|MB_ICONSTOP);
 301             }
 302
 303             EndDialog(hDlg, LOWORD(wParam));
 304             return TRUE;
 305         }
 306
 307         break;
 308     }
 309
 310     return 0;
 311 }
 312
 313 void ProcessPage_OnSetAffinity(void)
 314 {
 315     LV_ITEM            lvitem;
 316     ULONG            Index;
 317     DWORD            dwProcessId;
 318     TCHAR            strErrorText[260];
 319
 320     for (Index=0; Index<(ULONG)ListView_GetItemCount(hProcessPageListCtrl); Index++) {
 321         memset(&lvitem, 0, sizeof(LV_ITEM));
 322         lvitem.mask = LVIF_STATE;
 323         lvitem.stateMask = LVIS_SELECTED;
 324         lvitem.iItem = Index;
 325         SendMessage(hProcessPageListCtrl, LVM_GETITEM, 0, (LPARAM) &lvitem);
 326         if (lvitem.state & LVIS_SELECTED)
 327             break;
 328     }
 329     dwProcessId = PerfDataGetProcessId(Index);
 330     if ((ListView_GetSelectedCount(hProcessPageListCtrl) != 1) || (dwProcessId == 0))
 331         return;
 332     hProcessAffinityHandle = OpenProcess(PROCESS_QUERY_INFORMATION|PROCESS_SET_INFORMATION, FALSE, dwProcessId);
 333     if (!hProcessAffinityHandle) {
 334         GetLastErrorText(strErrorText, 260);
 335         MessageBox(hMainWnd, strErrorText, _T("Unable to Access or Set Process Affinity"), MB_OK|MB_ICONSTOP);
 336         return;
 337     }
 338     DialogBox(hInst, MAKEINTRESOURCE(IDD_AFFINITY_DIALOG), hMainWnd, AffinityDialogWndProc);
 339     if (hProcessAffinityHandle)    {
 340         CloseHandle(hProcessAffinityHandle);
 341         hProcessAffinityHandle = NULL;
 342     }
 343 }