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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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 INT_PTR CALLBACK AffinityDialogWndProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
  39
  40 void ProcessPage_OnSetAffinity(void)
  41 {
  42     LV_ITEM            lvitem;
  43     ULONG            Index;
  44     DWORD            dwProcessId;
  45     TCHAR            strErrorText[260];
  46
  47     for (Index=0; Index<(ULONG)ListView_GetItemCount(hProcessPageListCtrl); Index++) {
  48         memset(&lvitem, 0, sizeof(LV_ITEM));
  49         lvitem.mask = LVIF_STATE;
  50         lvitem.stateMask = LVIS_SELECTED;
  51         lvitem.iItem = Index;
  52         ListView_GetItem(hProcessPageListCtrl, &lvitem);
  53         if (lvitem.state & LVIS_SELECTED)
  54             break;
  55     }
  56     dwProcessId = PerfDataGetProcessId(Index);
  57     if ((ListView_GetSelectedCount(hProcessPageListCtrl) != 1) || (dwProcessId == 0))
  58         return;
  59     hProcessAffinityHandle = OpenProcess(PROCESS_QUERY_INFORMATION|PROCESS_SET_INFORMATION, FALSE, dwProcessId);
  60     if (!hProcessAffinityHandle) {
  61         GetLastErrorText(strErrorText, 260);
  62         MessageBox(hMainWnd, strErrorText, _T("Unable to Access or Set Process Affinity"), MB_OK|MB_ICONSTOP);
  63         return;
  64     }
  65     DialogBox(hInst, MAKEINTRESOURCE(IDD_AFFINITY_DIALOG), hMainWnd, AffinityDialogWndProc);
  66     if (hProcessAffinityHandle)    {
  67         CloseHandle(hProcessAffinityHandle);
  68         hProcessAffinityHandle = NULL;
  69     }
  70 }
  71
  72 INT_PTR CALLBACK
  73 AffinityDialogWndProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
  74 {
  75     DWORD    dwProcessAffinityMask = 0;
  76     DWORD    dwSystemAffinityMask = 0;
  77     TCHAR    strErrorText[260];
  78
  79     switch (message) {
  80     case WM_INITDIALOG:
  81
  82         /*
  83          * Get the current affinity mask for the process and
  84          * the number of CPUs present in the system
  85          */
  86         if (!GetProcessAffinityMask(hProcessAffinityHandle, &dwProcessAffinityMask, &dwSystemAffinityMask))    {
  87             GetLastErrorText(strErrorText, 260);
  88             EndDialog(hDlg, 0);
  89             MessageBox(hMainWnd, strErrorText, _T("Unable to Access or Set Process Affinity"), MB_OK|MB_ICONSTOP);
  90         }
  91
  92         /*
  93          * Enable a checkbox for each processor present in the system
  94          */
  95         if (dwSystemAffinityMask & 0x00000001)
  96             EnableWindow(GetDlgItem(hDlg, IDC_CPU0), TRUE);
  97         if (dwSystemAffinityMask & 0x00000002)
  98             EnableWindow(GetDlgItem(hDlg, IDC_CPU1), TRUE);
  99         if (dwSystemAffinityMask & 0x00000004)
 100             EnableWindow(GetDlgItem(hDlg, IDC_CPU2), TRUE);
 101         if (dwSystemAffinityMask & 0x00000008)
 102             EnableWindow(GetDlgItem(hDlg, IDC_CPU3), TRUE);
 103         if (dwSystemAffinityMask & 0x00000010)
 104             EnableWindow(GetDlgItem(hDlg, IDC_CPU4), TRUE);
 105         if (dwSystemAffinityMask & 0x00000020)
 106             EnableWindow(GetDlgItem(hDlg, IDC_CPU5), TRUE);
 107         if (dwSystemAffinityMask & 0x00000040)
 108             EnableWindow(GetDlgItem(hDlg, IDC_CPU6), TRUE);
 109         if (dwSystemAffinityMask & 0x00000080)
 110             EnableWindow(GetDlgItem(hDlg, IDC_CPU7), TRUE);
 111         if (dwSystemAffinityMask & 0x00000100)
 112             EnableWindow(GetDlgItem(hDlg, IDC_CPU8), TRUE);
 113         if (dwSystemAffinityMask & 0x00000200)
 114             EnableWindow(GetDlgItem(hDlg, IDC_CPU9), TRUE);
 115         if (dwSystemAffinityMask & 0x00000400)
 116             EnableWindow(GetDlgItem(hDlg, IDC_CPU10), TRUE);
 117         if (dwSystemAffinityMask & 0x00000800)
 118             EnableWindow(GetDlgItem(hDlg, IDC_CPU11), TRUE);
 119         if (dwSystemAffinityMask & 0x00001000)
 120             EnableWindow(GetDlgItem(hDlg, IDC_CPU12), TRUE);
 121         if (dwSystemAffinityMask & 0x00002000)
 122             EnableWindow(GetDlgItem(hDlg, IDC_CPU13), TRUE);
 123         if (dwSystemAffinityMask & 0x00004000)
 124             EnableWindow(GetDlgItem(hDlg, IDC_CPU14), TRUE);
 125         if (dwSystemAffinityMask & 0x00008000)
 126             EnableWindow(GetDlgItem(hDlg, IDC_CPU15), TRUE);
 127         if (dwSystemAffinityMask & 0x00010000)
 128             EnableWindow(GetDlgItem(hDlg, IDC_CPU16), TRUE);
 129         if (dwSystemAffinityMask & 0x00020000)
 130             EnableWindow(GetDlgItem(hDlg, IDC_CPU17), TRUE);
 131         if (dwSystemAffinityMask & 0x00040000)
 132             EnableWindow(GetDlgItem(hDlg, IDC_CPU18), TRUE);
 133         if (dwSystemAffinityMask & 0x00080000)
 134             EnableWindow(GetDlgItem(hDlg, IDC_CPU19), TRUE);
 135         if (dwSystemAffinityMask & 0x00100000)
 136             EnableWindow(GetDlgItem(hDlg, IDC_CPU20), TRUE);
 137         if (dwSystemAffinityMask & 0x00200000)
 138             EnableWindow(GetDlgItem(hDlg, IDC_CPU21), TRUE);
 139         if (dwSystemAffinityMask & 0x00400000)
 140             EnableWindow(GetDlgItem(hDlg, IDC_CPU22), TRUE);
 141         if (dwSystemAffinityMask & 0x00800000)
 142             EnableWindow(GetDlgItem(hDlg, IDC_CPU23), TRUE);
 143         if (dwSystemAffinityMask & 0x01000000)
 144             EnableWindow(GetDlgItem(hDlg, IDC_CPU24), TRUE);
 145         if (dwSystemAffinityMask & 0x02000000)
 146             EnableWindow(GetDlgItem(hDlg, IDC_CPU25), TRUE);
 147         if (dwSystemAffinityMask & 0x04000000)
 148             EnableWindow(GetDlgItem(hDlg, IDC_CPU26), TRUE);
 149         if (dwSystemAffinityMask & 0x08000000)
 150             EnableWindow(GetDlgItem(hDlg, IDC_CPU27), TRUE);
 151         if (dwSystemAffinityMask & 0x10000000)
 152             EnableWindow(GetDlgItem(hDlg, IDC_CPU28), TRUE);
 153         if (dwSystemAffinityMask & 0x20000000)
 154             EnableWindow(GetDlgItem(hDlg, IDC_CPU29), TRUE);
 155         if (dwSystemAffinityMask & 0x40000000)
 156             EnableWindow(GetDlgItem(hDlg, IDC_CPU30), TRUE);
 157         if (dwSystemAffinityMask & 0x80000000)
 158             EnableWindow(GetDlgItem(hDlg, IDC_CPU31), TRUE);
 159
 160
 161         /*
 162          * Check each checkbox that the current process
 163          * has affinity with
 164          */
 165         if (dwProcessAffinityMask & 0x00000001)
 166             SendMessage(GetDlgItem(hDlg, IDC_CPU0), BM_SETCHECK, BST_CHECKED, 0);
 167         if (dwProcessAffinityMask & 0x00000002)
 168             SendMessage(GetDlgItem(hDlg, IDC_CPU1), BM_SETCHECK, BST_CHECKED, 0);
 169         if (dwProcessAffinityMask & 0x00000004)
 170             SendMessage(GetDlgItem(hDlg, IDC_CPU2), BM_SETCHECK, BST_CHECKED, 0);
 171         if (dwProcessAffinityMask & 0x00000008)
 172             SendMessage(GetDlgItem(hDlg, IDC_CPU3), BM_SETCHECK, BST_CHECKED, 0);
 173         if (dwProcessAffinityMask & 0x00000010)
 174             SendMessage(GetDlgItem(hDlg, IDC_CPU4), BM_SETCHECK, BST_CHECKED, 0);
 175         if (dwProcessAffinityMask & 0x00000020)
 176             SendMessage(GetDlgItem(hDlg, IDC_CPU5), BM_SETCHECK, BST_CHECKED, 0);
 177         if (dwProcessAffinityMask & 0x00000040)
 178             SendMessage(GetDlgItem(hDlg, IDC_CPU6), BM_SETCHECK, BST_CHECKED, 0);
 179         if (dwProcessAffinityMask & 0x00000080)
 180             SendMessage(GetDlgItem(hDlg, IDC_CPU7), BM_SETCHECK, BST_CHECKED, 0);
 181         if (dwProcessAffinityMask & 0x00000100)
 182             SendMessage(GetDlgItem(hDlg, IDC_CPU8), BM_SETCHECK, BST_CHECKED, 0);
 183         if (dwProcessAffinityMask & 0x00000200)
 184             SendMessage(GetDlgItem(hDlg, IDC_CPU9), BM_SETCHECK, BST_CHECKED, 0);
 185         if (dwProcessAffinityMask & 0x00000400)
 186             SendMessage(GetDlgItem(hDlg, IDC_CPU10), BM_SETCHECK, BST_CHECKED, 0);
 187         if (dwProcessAffinityMask & 0x00000800)
 188             SendMessage(GetDlgItem(hDlg, IDC_CPU11), BM_SETCHECK, BST_CHECKED, 0);
 189         if (dwProcessAffinityMask & 0x00001000)
 190             SendMessage(GetDlgItem(hDlg, IDC_CPU12), BM_SETCHECK, BST_CHECKED, 0);
 191         if (dwProcessAffinityMask & 0x00002000)
 192             SendMessage(GetDlgItem(hDlg, IDC_CPU13), BM_SETCHECK, BST_CHECKED, 0);
 193         if (dwProcessAffinityMask & 0x00004000)
 194             SendMessage(GetDlgItem(hDlg, IDC_CPU14), BM_SETCHECK, BST_CHECKED, 0);
 195         if (dwProcessAffinityMask & 0x00008000)
 196             SendMessage(GetDlgItem(hDlg, IDC_CPU15), BM_SETCHECK, BST_CHECKED, 0);
 197         if (dwProcessAffinityMask & 0x00010000)
 198             SendMessage(GetDlgItem(hDlg, IDC_CPU16), BM_SETCHECK, BST_CHECKED, 0);
 199         if (dwProcessAffinityMask & 0x00020000)
 200             SendMessage(GetDlgItem(hDlg, IDC_CPU17), BM_SETCHECK, BST_CHECKED, 0);
 201         if (dwProcessAffinityMask & 0x00040000)
 202             SendMessage(GetDlgItem(hDlg, IDC_CPU18), BM_SETCHECK, BST_CHECKED, 0);
 203         if (dwProcessAffinityMask & 0x00080000)
 204             SendMessage(GetDlgItem(hDlg, IDC_CPU19), BM_SETCHECK, BST_CHECKED, 0);
 205         if (dwProcessAffinityMask & 0x00100000)
 206             SendMessage(GetDlgItem(hDlg, IDC_CPU20), BM_SETCHECK, BST_CHECKED, 0);
 207         if (dwProcessAffinityMask & 0x00200000)
 208             SendMessage(GetDlgItem(hDlg, IDC_CPU21), BM_SETCHECK, BST_CHECKED, 0);
 209         if (dwProcessAffinityMask & 0x00400000)
 210             SendMessage(GetDlgItem(hDlg, IDC_CPU22), BM_SETCHECK, BST_CHECKED, 0);
 211         if (dwProcessAffinityMask & 0x00800000)
 212             SendMessage(GetDlgItem(hDlg, IDC_CPU23), BM_SETCHECK, BST_CHECKED, 0);
 213         if (dwProcessAffinityMask & 0x01000000)
 214             SendMessage(GetDlgItem(hDlg, IDC_CPU24), BM_SETCHECK, BST_CHECKED, 0);
 215         if (dwProcessAffinityMask & 0x02000000)
 216             SendMessage(GetDlgItem(hDlg, IDC_CPU25), BM_SETCHECK, BST_CHECKED, 0);
 217         if (dwProcessAffinityMask & 0x04000000)
 218             SendMessage(GetDlgItem(hDlg, IDC_CPU26), BM_SETCHECK, BST_CHECKED, 0);
 219         if (dwProcessAffinityMask & 0x08000000)
 220             SendMessage(GetDlgItem(hDlg, IDC_CPU27), BM_SETCHECK, BST_CHECKED, 0);
 221         if (dwProcessAffinityMask & 0x10000000)
 222             SendMessage(GetDlgItem(hDlg, IDC_CPU28), BM_SETCHECK, BST_CHECKED, 0);
 223         if (dwProcessAffinityMask & 0x20000000)
 224             SendMessage(GetDlgItem(hDlg, IDC_CPU29), BM_SETCHECK, BST_CHECKED, 0);
 225         if (dwProcessAffinityMask & 0x40000000)
 226             SendMessage(GetDlgItem(hDlg, IDC_CPU30), BM_SETCHECK, BST_CHECKED, 0);
 227         if (dwProcessAffinityMask & 0x80000000)
 228             SendMessage(GetDlgItem(hDlg, IDC_CPU31), BM_SETCHECK, BST_CHECKED, 0);
 229
 230         return TRUE;
 231
 232     case WM_COMMAND:
 233
 234         /*
 235          * If the user has cancelled the dialog box
 236          * then just close it
 237          */
 238         if (LOWORD(wParam) == IDCANCEL) {
 239             EndDialog(hDlg, LOWORD(wParam));
 240             return TRUE;
 241         }
 242
 243         /*
 244          * The user has clicked OK -- so now we have
 245          * to adjust the process affinity mask
 246          */
 247         if (LOWORD(wParam) == IDOK) {
 248             /*
 249              * First we have to create a mask out of each
 250              * checkbox that the user checked.
 251              */
 252             if (SendMessage(GetDlgItem(hDlg, IDC_CPU0), BM_GETCHECK, 0, 0))
 253                 dwProcessAffinityMask |= 0x00000001;
 254             if (SendMessage(GetDlgItem(hDlg, IDC_CPU1), BM_GETCHECK, 0, 0))
 255                 dwProcessAffinityMask |= 0x00000002;
 256             if (SendMessage(GetDlgItem(hDlg, IDC_CPU2), BM_GETCHECK, 0, 0))
 257                 dwProcessAffinityMask |= 0x00000004;
 258             if (SendMessage(GetDlgItem(hDlg, IDC_CPU3), BM_GETCHECK, 0, 0))
 259                 dwProcessAffinityMask |= 0x00000008;
 260             if (SendMessage(GetDlgItem(hDlg, IDC_CPU4), BM_GETCHECK, 0, 0))
 261                 dwProcessAffinityMask |= 0x00000010;
 262             if (SendMessage(GetDlgItem(hDlg, IDC_CPU5), BM_GETCHECK, 0, 0))
 263                 dwProcessAffinityMask |= 0x00000020;
 264             if (SendMessage(GetDlgItem(hDlg, IDC_CPU6), BM_GETCHECK, 0, 0))
 265                 dwProcessAffinityMask |= 0x00000040;
 266             if (SendMessage(GetDlgItem(hDlg, IDC_CPU7), BM_GETCHECK, 0, 0))
 267                 dwProcessAffinityMask |= 0x00000080;
 268             if (SendMessage(GetDlgItem(hDlg, IDC_CPU8), BM_GETCHECK, 0, 0))
 269                 dwProcessAffinityMask |= 0x00000100;
 270             if (SendMessage(GetDlgItem(hDlg, IDC_CPU9), BM_GETCHECK, 0, 0))
 271                 dwProcessAffinityMask |= 0x00000200;
 272             if (SendMessage(GetDlgItem(hDlg, IDC_CPU10), BM_GETCHECK, 0, 0))
 273                 dwProcessAffinityMask |= 0x00000400;
 274             if (SendMessage(GetDlgItem(hDlg, IDC_CPU11), BM_GETCHECK, 0, 0))
 275                 dwProcessAffinityMask |= 0x00000800;
 276             if (SendMessage(GetDlgItem(hDlg, IDC_CPU12), BM_GETCHECK, 0, 0))
 277                 dwProcessAffinityMask |= 0x00001000;
 278             if (SendMessage(GetDlgItem(hDlg, IDC_CPU13), BM_GETCHECK, 0, 0))
 279                 dwProcessAffinityMask |= 0x00002000;
 280             if (SendMessage(GetDlgItem(hDlg, IDC_CPU14), BM_GETCHECK, 0, 0))
 281                 dwProcessAffinityMask |= 0x00004000;
 282             if (SendMessage(GetDlgItem(hDlg, IDC_CPU15), BM_GETCHECK, 0, 0))
 283                 dwProcessAffinityMask |= 0x00008000;
 284             if (SendMessage(GetDlgItem(hDlg, IDC_CPU16), BM_GETCHECK, 0, 0))
 285                 dwProcessAffinityMask |= 0x00010000;
 286             if (SendMessage(GetDlgItem(hDlg, IDC_CPU17), BM_GETCHECK, 0, 0))
 287                 dwProcessAffinityMask |= 0x00020000;
 288             if (SendMessage(GetDlgItem(hDlg, IDC_CPU18), BM_GETCHECK, 0, 0))
 289                 dwProcessAffinityMask |= 0x00040000;
 290             if (SendMessage(GetDlgItem(hDlg, IDC_CPU19), BM_GETCHECK, 0, 0))
 291                 dwProcessAffinityMask |= 0x00080000;
 292             if (SendMessage(GetDlgItem(hDlg, IDC_CPU20), BM_GETCHECK, 0, 0))
 293                 dwProcessAffinityMask |= 0x00100000;
 294             if (SendMessage(GetDlgItem(hDlg, IDC_CPU21), BM_GETCHECK, 0, 0))
 295                 dwProcessAffinityMask |= 0x00200000;
 296             if (SendMessage(GetDlgItem(hDlg, IDC_CPU22), BM_GETCHECK, 0, 0))
 297                 dwProcessAffinityMask |= 0x00400000;
 298             if (SendMessage(GetDlgItem(hDlg, IDC_CPU23), BM_GETCHECK, 0, 0))
 299                 dwProcessAffinityMask |= 0x00800000;
 300             if (SendMessage(GetDlgItem(hDlg, IDC_CPU24), BM_GETCHECK, 0, 0))
 301                 dwProcessAffinityMask |= 0x01000000;
 302             if (SendMessage(GetDlgItem(hDlg, IDC_CPU25), BM_GETCHECK, 0, 0))
 303                 dwProcessAffinityMask |= 0x02000000;
 304             if (SendMessage(GetDlgItem(hDlg, IDC_CPU26), BM_GETCHECK, 0, 0))
 305                 dwProcessAffinityMask |= 0x04000000;
 306             if (SendMessage(GetDlgItem(hDlg, IDC_CPU27), BM_GETCHECK, 0, 0))
 307                 dwProcessAffinityMask |= 0x08000000;
 308             if (SendMessage(GetDlgItem(hDlg, IDC_CPU28), BM_GETCHECK, 0, 0))
 309                 dwProcessAffinityMask |= 0x10000000;
 310             if (SendMessage(GetDlgItem(hDlg, IDC_CPU29), BM_GETCHECK, 0, 0))
 311                 dwProcessAffinityMask |= 0x20000000;
 312             if (SendMessage(GetDlgItem(hDlg, IDC_CPU30), BM_GETCHECK, 0, 0))
 313                 dwProcessAffinityMask |= 0x40000000;
 314             if (SendMessage(GetDlgItem(hDlg, IDC_CPU31), BM_GETCHECK, 0, 0))
 315                 dwProcessAffinityMask |= 0x80000000;
 316
 317             /*
 318              * Make sure they are giving the process affinity
 319              * with at least one processor. I'd hate to see a
 320              * process that is not in a wait state get deprived
 321              * of it's cpu time.
 322              */
 323             if (!dwProcessAffinityMask) {
 324                 MessageBox(hDlg, _T("The process must have affinity with at least one processor."), _T("Invalid Option"), MB_OK|MB_ICONSTOP);
 325                 return TRUE;
 326             }
 327
 328             /*
 329              * Try to set the process affinity
 330              */
 331             if (!SetProcessAffinityMask(hProcessAffinityHandle, dwProcessAffinityMask)) {
 332                 GetLastErrorText(strErrorText, 260);
 333                 EndDialog(hDlg, LOWORD(wParam));
 334                 MessageBox(hMainWnd, strErrorText, _T("Unable to Access or Set Process Affinity"), MB_OK|MB_ICONSTOP);
 335             }
 336
 337             EndDialog(hDlg, LOWORD(wParam));
 338             return TRUE;
 339         }
 340
 341         break;
 342     }
 343
 344     return 0;
 345 }