mirror of
https://github.com/reactos/reactos.git
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315 lines
8.6 KiB
C++
315 lines
8.6 KiB
C++
/*
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* ReactOS Task Manager
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*
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* priority.cpp
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*
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* Copyright (C) 1999 - 2001 Brian Palmer <brianp@reactos.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "stdafx.h"
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#include "taskmgr.h"
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#include "priority.h"
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#include "ProcessPage.h"
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#include "perfdata.h"
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void ProcessPage_OnSetPriorityRealTime(void)
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{
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LVITEM lvitem;
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ULONG Index;
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DWORD dwProcessId;
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HANDLE hProcess;
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TCHAR strErrorText[260];
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for (Index=0; Index<(ULONG)ListView_GetItemCount(hProcessPageListCtrl); Index++)
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{
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memset(&lvitem, 0, sizeof(LVITEM));
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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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ListView_GetItem(hProcessPageListCtrl, &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 (MessageBox(hMainWnd, "WARNING: Changing the priority class of this process may\ncause undesired results including system instability. Are you\nsure you want to change the priority class?", "Task Manager Warning", 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(strErrorText, 260);
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MessageBox(hMainWnd, strErrorText, "Unable to Change Priority", MB_OK|MB_ICONSTOP);
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return;
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}
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if (!SetPriorityClass(hProcess, REALTIME_PRIORITY_CLASS))
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{
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GetLastErrorText(strErrorText, 260);
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MessageBox(hMainWnd, strErrorText, "Unable to Change Priority", MB_OK|MB_ICONSTOP);
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}
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CloseHandle(hProcess);
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}
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void ProcessPage_OnSetPriorityHigh(void)
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{
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LVITEM lvitem;
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ULONG Index;
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DWORD dwProcessId;
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HANDLE hProcess;
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TCHAR strErrorText[260];
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for (Index=0; Index<(ULONG)ListView_GetItemCount(hProcessPageListCtrl); Index++)
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{
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memset(&lvitem, 0, sizeof(LVITEM));
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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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ListView_GetItem(hProcessPageListCtrl, &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 (MessageBox(hMainWnd, "WARNING: Changing the priority class of this process may\ncause undesired results including system instability. Are you\nsure you want to change the priority class?", "Task Manager Warning", 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(strErrorText, 260);
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MessageBox(hMainWnd, strErrorText, "Unable to Change Priority", MB_OK|MB_ICONSTOP);
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return;
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}
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if (!SetPriorityClass(hProcess, HIGH_PRIORITY_CLASS))
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{
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GetLastErrorText(strErrorText, 260);
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MessageBox(hMainWnd, strErrorText, "Unable to Change Priority", MB_OK|MB_ICONSTOP);
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}
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CloseHandle(hProcess);
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}
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void ProcessPage_OnSetPriorityAboveNormal(void)
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{
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LVITEM lvitem;
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ULONG Index;
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DWORD dwProcessId;
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HANDLE hProcess;
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TCHAR strErrorText[260];
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for (Index=0; Index<(ULONG)ListView_GetItemCount(hProcessPageListCtrl); Index++)
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{
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memset(&lvitem, 0, sizeof(LVITEM));
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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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ListView_GetItem(hProcessPageListCtrl, &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 (MessageBox(hMainWnd, "WARNING: Changing the priority class of this process may\ncause undesired results including system instability. Are you\nsure you want to change the priority class?", "Task Manager Warning", 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(strErrorText, 260);
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MessageBox(hMainWnd, strErrorText, "Unable to Change Priority", MB_OK|MB_ICONSTOP);
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return;
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}
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if (!SetPriorityClass(hProcess, ABOVE_NORMAL_PRIORITY_CLASS))
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{
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GetLastErrorText(strErrorText, 260);
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MessageBox(hMainWnd, strErrorText, "Unable to Change Priority", MB_OK|MB_ICONSTOP);
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}
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CloseHandle(hProcess);
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}
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void ProcessPage_OnSetPriorityNormal(void)
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{
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LVITEM lvitem;
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ULONG Index;
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DWORD dwProcessId;
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HANDLE hProcess;
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TCHAR strErrorText[260];
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for (Index=0; Index<(ULONG)ListView_GetItemCount(hProcessPageListCtrl); Index++)
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{
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memset(&lvitem, 0, sizeof(LVITEM));
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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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ListView_GetItem(hProcessPageListCtrl, &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 (MessageBox(hMainWnd, "WARNING: Changing the priority class of this process may\ncause undesired results including system instability. Are you\nsure you want to change the priority class?", "Task Manager Warning", 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(strErrorText, 260);
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MessageBox(hMainWnd, strErrorText, "Unable to Change Priority", MB_OK|MB_ICONSTOP);
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return;
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}
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if (!SetPriorityClass(hProcess, NORMAL_PRIORITY_CLASS))
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{
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GetLastErrorText(strErrorText, 260);
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MessageBox(hMainWnd, strErrorText, "Unable to Change Priority", MB_OK|MB_ICONSTOP);
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}
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CloseHandle(hProcess);
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}
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void ProcessPage_OnSetPriorityBelowNormal(void)
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{
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LVITEM lvitem;
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ULONG Index;
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DWORD dwProcessId;
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HANDLE hProcess;
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TCHAR strErrorText[260];
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for (Index=0; Index<(ULONG)ListView_GetItemCount(hProcessPageListCtrl); Index++)
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{
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memset(&lvitem, 0, sizeof(LVITEM));
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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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ListView_GetItem(hProcessPageListCtrl, &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 (MessageBox(hMainWnd, "WARNING: Changing the priority class of this process may\ncause undesired results including system instability. Are you\nsure you want to change the priority class?", "Task Manager Warning", 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(strErrorText, 260);
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MessageBox(hMainWnd, strErrorText, "Unable to Change Priority", MB_OK|MB_ICONSTOP);
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return;
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}
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if (!SetPriorityClass(hProcess, BELOW_NORMAL_PRIORITY_CLASS))
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{
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GetLastErrorText(strErrorText, 260);
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MessageBox(hMainWnd, strErrorText, "Unable to Change Priority", MB_OK|MB_ICONSTOP);
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}
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CloseHandle(hProcess);
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}
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void ProcessPage_OnSetPriorityLow(void)
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{
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LVITEM lvitem;
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ULONG Index;
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DWORD dwProcessId;
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HANDLE hProcess;
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TCHAR strErrorText[260];
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for (Index=0; Index<(ULONG)ListView_GetItemCount(hProcessPageListCtrl); Index++)
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{
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memset(&lvitem, 0, sizeof(LVITEM));
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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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ListView_GetItem(hProcessPageListCtrl, &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 (MessageBox(hMainWnd, "WARNING: Changing the priority class of this process may\ncause undesired results including system instability. Are you\nsure you want to change the priority class?", "Task Manager Warning", 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(strErrorText, 260);
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MessageBox(hMainWnd, strErrorText, "Unable to Change Priority", MB_OK|MB_ICONSTOP);
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return;
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}
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if (!SetPriorityClass(hProcess, IDLE_PRIORITY_CLASS))
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{
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GetLastErrorText(strErrorText, 260);
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MessageBox(hMainWnd, strErrorText, "Unable to Change Priority", MB_OK|MB_ICONSTOP);
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}
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CloseHandle(hProcess);
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}
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