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* Create a branch for USB experiments.

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svn path=/branches/usb-experiments/; revision=72629
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Amine Khaldi 2016-09-09 15:11:19 +00:00
parent 28d8ba0d3e
commit 0ee830d7a4
23049 changed files with 0 additions and 1313991 deletions
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161
base/applications/taskmgr/affinity.c Normal file
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/*
* ReactOS Task Manager
*
* affinity.c
*
* Copyright (C) 1999 - 2001 Brian Palmer <brianp@reactos.org>
* 2005 Klemens Friedl <frik85@reactos.at>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "precomp.h"
HANDLE hProcessAffinityHandle;
static const DWORD dwCpuTable[] = {
IDC_CPU0, IDC_CPU1, IDC_CPU2, IDC_CPU3,
IDC_CPU4, IDC_CPU5, IDC_CPU6, IDC_CPU7,
IDC_CPU8, IDC_CPU9, IDC_CPU10, IDC_CPU11,
IDC_CPU12, IDC_CPU13, IDC_CPU14, IDC_CPU15,
IDC_CPU16, IDC_CPU17, IDC_CPU18, IDC_CPU19,
IDC_CPU20, IDC_CPU21, IDC_CPU22, IDC_CPU23,
IDC_CPU24, IDC_CPU25, IDC_CPU26, IDC_CPU27,
IDC_CPU28, IDC_CPU29, IDC_CPU30, IDC_CPU31,
};
static INT_PTR CALLBACK AffinityDialogWndProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
void ProcessPage_OnSetAffinity(void)
{
DWORD dwProcessId;
WCHAR strErrorText[260];
WCHAR szTitle[256];
dwProcessId = GetSelectedProcessId();
if (dwProcessId == 0)
return;
hProcessAffinityHandle = OpenProcess(PROCESS_QUERY_INFORMATION|PROCESS_SET_INFORMATION, FALSE, dwProcessId);
if (!hProcessAffinityHandle) {
GetLastErrorText(strErrorText, sizeof(strErrorText) / sizeof(WCHAR));
LoadStringW(hInst, IDS_MSG_ACCESSPROCESSAFF, szTitle, sizeof(szTitle) / sizeof(WCHAR));
MessageBoxW(hMainWnd, strErrorText, szTitle, MB_OK|MB_ICONSTOP);
return;
}
DialogBoxW(hInst, MAKEINTRESOURCEW(IDD_AFFINITY_DIALOG), hMainWnd, AffinityDialogWndProc);
if (hProcessAffinityHandle) {
CloseHandle(hProcessAffinityHandle);
hProcessAffinityHandle = NULL;
}
}
INT_PTR CALLBACK
AffinityDialogWndProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
DWORD_PTR dwProcessAffinityMask = 0;
DWORD_PTR dwSystemAffinityMask = 0;
WCHAR strErrorText[260];
WCHAR szTitle[256];
BYTE nCpu;
switch (message) {
case WM_INITDIALOG:
/*
* Get the current affinity mask for the process and
* the number of CPUs present in the system
*/
if (!GetProcessAffinityMask(hProcessAffinityHandle, &dwProcessAffinityMask, &dwSystemAffinityMask)) {
GetLastErrorText(strErrorText, sizeof(strErrorText) / sizeof(WCHAR));
EndDialog(hDlg, 0);
LoadStringW(hInst, IDS_MSG_ACCESSPROCESSAFF, szTitle, sizeof(szTitle) / sizeof(WCHAR));
MessageBoxW(hMainWnd, strErrorText, szTitle, MB_OK|MB_ICONSTOP);
}
for (nCpu=0; nCpu<sizeof(dwCpuTable) / sizeof(dwCpuTable[0]); nCpu++) {
/*
* Enable a checkbox for each processor present in the system
*/
if (dwSystemAffinityMask & (1 << nCpu))
EnableWindow(GetDlgItem(hDlg, dwCpuTable[nCpu]), TRUE);
/*
* Check each checkbox that the current process
* has affinity with
*/
if (dwProcessAffinityMask & (1 << nCpu))
CheckDlgButton(hDlg, dwCpuTable[nCpu], BST_CHECKED);
}
return TRUE;
case WM_COMMAND:
/*
* If the user has cancelled the dialog box
* then just close it
*/
if (LOWORD(wParam) == IDCANCEL) {
EndDialog(hDlg, LOWORD(wParam));
return TRUE;
}
/*
* The user has clicked OK -- so now we have
* to adjust the process affinity mask
*/
if (LOWORD(wParam) == IDOK) {
for (nCpu=0; nCpu<sizeof(dwCpuTable) / sizeof(dwCpuTable[0]); nCpu++) {
/*
* First we have to create a mask out of each
* checkbox that the user checked.
*/
if (IsDlgButtonChecked(hDlg, dwCpuTable[nCpu]))
dwProcessAffinityMask |= (1 << nCpu);
}
/*
* Make sure they are giving the process affinity
* with at least one processor. I'd hate to see a
* process that is not in a wait state get deprived
* of it's cpu time.
*/
if (!dwProcessAffinityMask) {
LoadStringW(hInst, IDS_MSG_PROCESSONEPRO, strErrorText, sizeof(strErrorText) / sizeof(WCHAR));
LoadStringW(hInst, IDS_MSG_INVALIDOPTION, szTitle, sizeof(szTitle) / sizeof(WCHAR));
MessageBoxW(hDlg, strErrorText, szTitle, MB_OK|MB_ICONSTOP);
return TRUE;
}
/*
* Try to set the process affinity
*/
if (!SetProcessAffinityMask(hProcessAffinityHandle, dwProcessAffinityMask)) {
GetLastErrorText(strErrorText, sizeof(strErrorText) / sizeof(WCHAR));
EndDialog(hDlg, LOWORD(wParam));
LoadStringW(hInst, IDS_MSG_ACCESSPROCESSAFF, szTitle, sizeof(szTitle) / sizeof(WCHAR));
MessageBoxW(hMainWnd, strErrorText, szTitle, MB_OK|MB_ICONSTOP);
}
EndDialog(hDlg, LOWORD(wParam));
return TRUE;
}
break;
}
return 0;
}