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118 lines
3.3 KiB
C
118 lines
3.3 KiB
C
/*
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* ReactOS Task Manager
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*
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* priority.c
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*
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* Copyright (C) 1999 - 2001 Brian Palmer <brianp@reactos.org>
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* Copyright (C) 2008 Vladimir Pankratov
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <windows.h>
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#include <commctrl.h>
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#include <winnt.h>
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#include "taskmgr.h"
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#include "perfdata.h"
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static void DoSetPriority(DWORD priority)
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{
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LVITEMW lvitem;
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ULONG Index, Count;
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DWORD dwProcessId;
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HANDLE hProcess;
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WCHAR wstrErrorText[256];
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WCHAR wszWarnMsg[255];
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WCHAR wszWarnTitle[255];
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WCHAR wszUnable2Change[255];
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LoadStringW(hInst, IDS_PRIORITY_CHANGE_MESSAGE, wszWarnMsg, ARRAY_SIZE(wszWarnMsg));
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LoadStringW(hInst, IDS_WARNING_TITLE, wszWarnTitle, ARRAY_SIZE(wszWarnTitle));
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LoadStringW(hInst, IDS_PRIORITY_UNABLE2CHANGE, wszUnable2Change, ARRAY_SIZE(wszUnable2Change));
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Count = SendMessageW(hProcessPageListCtrl, LVM_GETITEMCOUNT, 0, 0);
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for (Index=0; Index<Count; Index++)
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{
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lvitem.mask = LVIF_STATE;
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lvitem.stateMask = LVIS_SELECTED;
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lvitem.iItem = Index;
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lvitem.iSubItem = 0;
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SendMessageW(hProcessPageListCtrl, LVM_GETITEMW, 0, (LPARAM)&lvitem);
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if (lvitem.state & LVIS_SELECTED)
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break;
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}
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Count = SendMessageW(hProcessPageListCtrl, LVM_GETSELECTEDCOUNT, 0, 0);
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dwProcessId = PerfDataGetProcessId(Index);
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if ((Count != 1) || (dwProcessId == 0))
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return;
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if (MessageBoxW(hMainWnd, wszWarnMsg, wszWarnTitle, MB_YESNO|MB_ICONWARNING) != IDYES)
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return;
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hProcess = OpenProcess(PROCESS_SET_INFORMATION, FALSE, dwProcessId);
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if (!hProcess)
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{
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GetLastErrorText(wstrErrorText, ARRAY_SIZE(wstrErrorText));
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MessageBoxW(hMainWnd, wstrErrorText, wszUnable2Change, MB_OK|MB_ICONSTOP);
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return;
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}
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if (!SetPriorityClass(hProcess, priority))
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{
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GetLastErrorText(wstrErrorText, ARRAY_SIZE(wstrErrorText));
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MessageBoxW(hMainWnd, wstrErrorText, wszUnable2Change, MB_OK|MB_ICONSTOP);
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}
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CloseHandle(hProcess);
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}
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void ProcessPage_OnSetPriorityRealTime(void)
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{
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DoSetPriority(REALTIME_PRIORITY_CLASS);
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}
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void ProcessPage_OnSetPriorityHigh(void)
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{
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DoSetPriority(HIGH_PRIORITY_CLASS);
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}
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void ProcessPage_OnSetPriorityAboveNormal(void)
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{
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DoSetPriority(ABOVE_NORMAL_PRIORITY_CLASS);
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}
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void ProcessPage_OnSetPriorityNormal(void)
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{
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DoSetPriority(NORMAL_PRIORITY_CLASS);
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}
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void ProcessPage_OnSetPriorityBelowNormal(void)
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{
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DoSetPriority(BELOW_NORMAL_PRIORITY_CLASS);
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}
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void ProcessPage_OnSetPriorityLow(void)
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{
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DoSetPriority(IDLE_PRIORITY_CLASS);
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}
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