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/*
* ReactOS Task Manager
*
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* priority . c
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*
* Copyright ( C ) 1999 - 2001 Brian Palmer < brianp @ reactos . org >
*
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* 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 .
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*
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* 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 .
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*
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* 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
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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>
# include <commctrl.h>
# include <stdlib.h>
# include <malloc.h>
# include <memory.h>
# include <tchar.h>
# include <stdio.h>
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# include <winnt.h>
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# include "taskmgr.h"
# include "priority.h"
# include "procpage.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 \n cause undesired results including system instability. Are you \n sure 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 \n cause undesired results including system instability. Are you \n sure 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 \n cause undesired results including system instability. Are you \n sure 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 \n cause undesired results including system instability. Are you \n sure 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 \n cause undesired results including system instability. Are you \n sure 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 \n cause undesired results including system instability. Are you \n sure 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 ) ;
}