| /* | |
| * ReactOS Task Manager | |
| * | |
| * priority.c | |
| * | |
| * Copyright (C) 1999 - 2001 Brian Palmer <brianp@reactos.org> | |
| * | |
| * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| */ | |
| #define WIN32_LEAN_AND_MEAN /* Exclude rarely-used stuff from Windows headers */ | |
| #include <windows.h> | |
| #include <commctrl.h> | |
| #include <stdlib.h> | |
| #include <malloc.h> | |
| #include <memory.h> | |
| #include <tchar.h> | |
| #include <stdio.h> | |
| #include <winnt.h> | |
| #include "taskmgr.h" | |
| #include "perfdata.h" | |
| void ProcessPage_OnSetPriorityRealTime(void) | |
| { | |
| LVITEM lvitem; | |
| ULONG Index; | |
| DWORD dwProcessId; | |
| HANDLE hProcess; | |
| TCHAR strErrorText[260]; | |
| for (Index=0; Index<(ULONG)ListView_GetItemCount(hProcessPageListCtrl); Index++) | |
| { | |
| memset(&lvitem, 0, sizeof(LVITEM)); | |
| lvitem.mask = LVIF_STATE; | |
| lvitem.stateMask = LVIS_SELECTED; | |
| lvitem.iItem = Index; | |
| ListView_GetItem(hProcessPageListCtrl, &lvitem); | |
| if (lvitem.state & LVIS_SELECTED) | |
| break; | |
| } | |
| dwProcessId = PerfDataGetProcessId(Index); | |
| if ((ListView_GetSelectedCount(hProcessPageListCtrl) != 1) || (dwProcessId == 0)) | |
| return; | |
| if (MessageBox(hMainWnd, _T("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?"), _T("Task Manager Warning"), MB_YESNO|MB_ICONWARNING) != IDYES) | |
| return; | |
| hProcess = OpenProcess(PROCESS_SET_INFORMATION, FALSE, dwProcessId); | |
| if (!hProcess) | |
| { | |
| GetLastErrorText(strErrorText, 260); | |
| MessageBox(hMainWnd, strErrorText, _T("Unable to Change Priority"), MB_OK|MB_ICONSTOP); | |
| return; | |
| } | |
| if (!SetPriorityClass(hProcess, REALTIME_PRIORITY_CLASS)) | |
| { | |
| GetLastErrorText(strErrorText, 260); | |
| MessageBox(hMainWnd, strErrorText, _T("Unable to Change Priority"), MB_OK|MB_ICONSTOP); | |
| } | |
| CloseHandle(hProcess); | |
| } | |
| void ProcessPage_OnSetPriorityHigh(void) | |
| { | |
| LVITEM lvitem; | |
| ULONG Index; | |
| DWORD dwProcessId; | |
| HANDLE hProcess; | |
| TCHAR strErrorText[260]; | |
| for (Index=0; Index<(ULONG)ListView_GetItemCount(hProcessPageListCtrl); Index++) | |
| { | |
| memset(&lvitem, 0, sizeof(LVITEM)); | |
| lvitem.mask = LVIF_STATE; | |
| lvitem.stateMask = LVIS_SELECTED; | |
| lvitem.iItem = Index; | |
| ListView_GetItem(hProcessPageListCtrl, &lvitem); | |
| if (lvitem.state & LVIS_SELECTED) | |
| break; | |
| } | |
| dwProcessId = PerfDataGetProcessId(Index); | |
| if ((ListView_GetSelectedCount(hProcessPageListCtrl) != 1) || (dwProcessId == 0)) | |
| return; | |
| if (MessageBox(hMainWnd, _T("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?"), _T("Task Manager Warning"), MB_YESNO|MB_ICONWARNING) != IDYES) | |
| return; | |
| hProcess = OpenProcess(PROCESS_SET_INFORMATION, FALSE, dwProcessId); | |
| if (!hProcess) | |
| { | |
| GetLastErrorText(strErrorText, 260); | |
| MessageBox(hMainWnd, strErrorText, _T("Unable to Change Priority"), MB_OK|MB_ICONSTOP); | |
| return; | |
| } | |
| if (!SetPriorityClass(hProcess, HIGH_PRIORITY_CLASS)) | |
| { | |
| GetLastErrorText(strErrorText, 260); | |
| MessageBox(hMainWnd, strErrorText, _T("Unable to Change Priority"), MB_OK|MB_ICONSTOP); | |
| } | |
| CloseHandle(hProcess); | |
| } | |
| void ProcessPage_OnSetPriorityAboveNormal(void) | |
| { | |
| LVITEM lvitem; | |
| ULONG Index; | |
| DWORD dwProcessId; | |
| HANDLE hProcess; | |
| TCHAR strErrorText[260]; | |
| for (Index=0; Index<(ULONG)ListView_GetItemCount(hProcessPageListCtrl); Index++) | |
| { | |
| memset(&lvitem, 0, sizeof(LVITEM)); | |
| lvitem.mask = LVIF_STATE; | |
| lvitem.stateMask = LVIS_SELECTED; | |
| lvitem.iItem = Index; | |
| ListView_GetItem(hProcessPageListCtrl, &lvitem); | |
| if (lvitem.state & LVIS_SELECTED) | |
| break; | |
| } | |
| dwProcessId = PerfDataGetProcessId(Index); | |
| if ((ListView_GetSelectedCount(hProcessPageListCtrl) != 1) || (dwProcessId == 0)) | |
| return; | |
| if (MessageBox(hMainWnd, _T("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?"), _T("Task Manager Warning"), MB_YESNO|MB_ICONWARNING) != IDYES) | |
| return; | |
| hProcess = OpenProcess(PROCESS_SET_INFORMATION, FALSE, dwProcessId); | |
| if (!hProcess) | |
| { | |
| GetLastErrorText(strErrorText, 260); | |
| MessageBox(hMainWnd, strErrorText, _T("Unable to Change Priority"), MB_OK|MB_ICONSTOP); | |
| return; | |
| } | |
| if (!SetPriorityClass(hProcess, ABOVE_NORMAL_PRIORITY_CLASS)) | |
| { | |
| GetLastErrorText(strErrorText, 260); | |
| MessageBox(hMainWnd, strErrorText, _T("Unable to Change Priority"), MB_OK|MB_ICONSTOP); | |
| } | |
| CloseHandle(hProcess); | |
| } | |
| void ProcessPage_OnSetPriorityNormal(void) | |
| { | |
| LVITEM lvitem; | |
| ULONG Index; | |
| DWORD dwProcessId; | |
| HANDLE hProcess; | |
| TCHAR strErrorText[260]; | |
| for (Index=0; Index<(ULONG)ListView_GetItemCount(hProcessPageListCtrl); Index++) | |
| { | |
| memset(&lvitem, 0, sizeof(LVITEM)); | |
| lvitem.mask = LVIF_STATE; | |
| lvitem.stateMask = LVIS_SELECTED; | |
| lvitem.iItem = Index; | |
| ListView_GetItem(hProcessPageListCtrl, &lvitem); | |
| if (lvitem.state & LVIS_SELECTED) | |
| break; | |
| } | |
| dwProcessId = PerfDataGetProcessId(Index); | |
| if ((ListView_GetSelectedCount(hProcessPageListCtrl) != 1) || (dwProcessId == 0)) | |
| return; | |
| if (MessageBox(hMainWnd, _T("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?"), _T("Task Manager Warning"), MB_YESNO|MB_ICONWARNING) != IDYES) | |
| return; | |
| hProcess = OpenProcess(PROCESS_SET_INFORMATION, FALSE, dwProcessId); | |
| if (!hProcess) | |
| { | |
| GetLastErrorText(strErrorText, 260); | |
| MessageBox(hMainWnd, strErrorText, _T("Unable to Change Priority"), MB_OK|MB_ICONSTOP); | |
| return; | |
| } | |
| if (!SetPriorityClass(hProcess, NORMAL_PRIORITY_CLASS)) | |
| { | |
| GetLastErrorText(strErrorText, 260); | |
| MessageBox(hMainWnd, strErrorText, _T("Unable to Change Priority"), MB_OK|MB_ICONSTOP); | |
| } | |
| CloseHandle(hProcess); | |
| } | |
| void ProcessPage_OnSetPriorityBelowNormal(void) | |
| { | |
| LVITEM lvitem; | |
| ULONG Index; | |
| DWORD dwProcessId; | |
| HANDLE hProcess; | |
| TCHAR strErrorText[260]; | |
| for (Index=0; Index<(ULONG)ListView_GetItemCount(hProcessPageListCtrl); Index++) | |
| { | |
| memset(&lvitem, 0, sizeof(LVITEM)); | |
| lvitem.mask = LVIF_STATE; | |
| lvitem.stateMask = LVIS_SELECTED; | |
| lvitem.iItem = Index; | |
| ListView_GetItem(hProcessPageListCtrl, &lvitem); | |
| if (lvitem.state & LVIS_SELECTED) | |
| break; | |
| } | |
| dwProcessId = PerfDataGetProcessId(Index); | |
| if ((ListView_GetSelectedCount(hProcessPageListCtrl) != 1) || (dwProcessId == 0)) | |
| return; | |
| if (MessageBox(hMainWnd, _T("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?"), _T("Task Manager Warning"), MB_YESNO|MB_ICONWARNING) != IDYES) | |
| return; | |
| hProcess = OpenProcess(PROCESS_SET_INFORMATION, FALSE, dwProcessId); | |
| if (!hProcess) | |
| { | |
| GetLastErrorText(strErrorText, 260); | |
| MessageBox(hMainWnd, strErrorText, _T("Unable to Change Priority"), MB_OK|MB_ICONSTOP); | |
| return; | |
| } | |
| if (!SetPriorityClass(hProcess, BELOW_NORMAL_PRIORITY_CLASS)) | |
| { | |
| GetLastErrorText(strErrorText, 260); | |
| MessageBox(hMainWnd, strErrorText, _T("Unable to Change Priority"), MB_OK|MB_ICONSTOP); | |
| } | |
| CloseHandle(hProcess); | |
| } | |
| void ProcessPage_OnSetPriorityLow(void) | |
| { | |
| LVITEM lvitem; | |
| ULONG Index; | |
| DWORD dwProcessId; | |
| HANDLE hProcess; | |
| TCHAR strErrorText[260]; | |
| for (Index=0; Index<(ULONG)ListView_GetItemCount(hProcessPageListCtrl); Index++) | |
| { | |
| memset(&lvitem, 0, sizeof(LVITEM)); | |
| lvitem.mask = LVIF_STATE; | |
| lvitem.stateMask = LVIS_SELECTED; | |
| lvitem.iItem = Index; | |
| ListView_GetItem(hProcessPageListCtrl, &lvitem); | |
| if (lvitem.state & LVIS_SELECTED) | |
| break; | |
| } | |
| dwProcessId = PerfDataGetProcessId(Index); | |
| if ((ListView_GetSelectedCount(hProcessPageListCtrl) != 1) || (dwProcessId == 0)) | |
| return; | |
| if (MessageBox(hMainWnd, _T("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?"), _T("Task Manager Warning"), MB_YESNO|MB_ICONWARNING) != IDYES) | |
| return; | |
| hProcess = OpenProcess(PROCESS_SET_INFORMATION, FALSE, dwProcessId); | |
| if (!hProcess) | |
| { | |
| GetLastErrorText(strErrorText, 260); | |
| MessageBox(hMainWnd, strErrorText, _T("Unable to Change Priority"), MB_OK|MB_ICONSTOP); | |
| return; | |
| } | |
| if (!SetPriorityClass(hProcess, IDLE_PRIORITY_CLASS)) | |
| { | |
| GetLastErrorText(strErrorText, 260); | |
| MessageBox(hMainWnd, strErrorText, _T("Unable to Change Priority"), MB_OK|MB_ICONSTOP); | |
| } | |
| CloseHandle(hProcess); | |
| } |