117 lines
4.0 KiB
C
117 lines
4.0 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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#define WIN32_LEAN_AND_MEAN /* Exclude rarely-used stuff from Windows headers */
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#include <windows.h>
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#include <commctrl.h>
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#include <stdlib.h>
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#include <memory.h>
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#include <stdio.h>
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#include <winnt.h>
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#include "wine/unicode.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;
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DWORD dwProcessId;
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HANDLE hProcess;
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WCHAR wstrErrorText[256];
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static const WCHAR wszWarnMsg[] = {'W','A','R','N','I','N','G',':',' ','C','h','a','n','g','i','n','g',
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' ','t','h','e',' ','p','r','i','o','r','i','t','y',' ','c','l','a','s','s',' ','o','f',' ','t','h','i','s',' ','p','r','o','c','e','s','s',' ','m','a','y','\n','c','a','u','s','e',' ','u','n','d','e','s','i','r','e','d',' ','r','e','s','u','l','t','s',' ','i','n','c','l','u','d','i','n','g',' ','s','y','s','t','e','m',' ','i','n','s','t','a','b','i','l','i','t','y','.',' ','A','r','e',' ','y','o','u','\n','s','u','r','e',' ','y','o','u',' ','w','a','n','t',' ','t','o',' ','c','h','a','n','g','e',' ','t','h','e',' ','p','r','i','o','r','i','t','y',' ','c','l','a','s','s','?',0};
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static const WCHAR wszWarnTitle[] = {'T','a','s','k',' ','M','a','n','a','g','e','r',' ','W','a','r','n','i','n','g',0};
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static const WCHAR wszUnable2Change[] = {'U','n','a','b','l','e',' ','t','o',' ','C','h','a','n','g','e',' ','P','r','i','o','r','i','t','y',0};
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for (Index=0; Index<(ULONG)ListView_GetItemCount(hProcessPageListCtrl); 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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dwProcessId = PerfDataGetProcessId(Index);
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if ((ListView_GetSelectedCount(hProcessPageListCtrl) != 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, sizeof(wstrErrorText)/sizeof(WCHAR));
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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, sizeof(wstrErrorText)/sizeof(WCHAR));
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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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