workspace/libs/ksysguard/processcore/processes_local_p.h

   1 /*  This file is part of the KDE project
   2
   3     Copyright (C) 2007 John Tapsell <tapsell@kde.org>
   4
   5     This library is free software; you can redistribute it and/or
   6     modify it under the terms of the GNU Library General Public
   7     License as published by the Free Software Foundation; either
   8     version 2 of the License, or (at your option) any later version.
   9
  10     This library is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13     Library General Public License for more details.
  14
  15     You should have received a copy of the GNU Library General Public License
  16     along with this library; see the file COPYING.LIB.  If not, write to
  17     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  18     Boston, MA 02110-1301, USA.
  19
  20 */
  21
  22 #ifndef PROCESSES_LOCAL_H_
  23 #define PROCESSES_LOCAL_H_
  24
  25 #include "processes_base_p.h"
  26 #include <unistd.h>  //For sysconf
  27
  28
  29 #include <QSet>
  30
  31 namespace KSysGuard
  32 {
  33     class Process;
  34
  35     /**
  36      * This is the OS specific code to get process information for the local host.
  37      */
  38     class ProcessesLocal : public AbstractProcesses {
  39       public:
  40         ProcessesLocal();
  41         virtual ~ProcessesLocal();
  42         virtual QSet<long> getAllPids();
  43         virtual long getParentPid(long pid);
  44         virtual bool updateProcessInfo(long pid, Process *process);
  45         virtual bool sendSignal(long pid, int sig);
  46         virtual bool setNiceness(long pid, int priority);
  47         virtual bool setScheduler(long pid, int priorityClass, int priority);
  48         virtual long long totalPhysicalMemory();
  49         virtual bool setIoNiceness(long pid, int priorityClass, int priority);
  50         virtual bool supportsIoNiceness();
  51         virtual long numberProcessorCores()
  52 #ifdef _SC_NPROCESSORS_ONLN
  53         { return sysconf(_SC_NPROCESSORS_ONLN); } // Should work on any recent posix system
  54 #else
  55         ;
  56 #endif
  57         virtual void updateAllProcesses() { emit processesUpdated(); } //For local machine, there is no delay
  58
  59       private:
  60         /**
  61          * You can use this for whatever data you want.  Be careful about preserving state in between getParentPid and updateProcessInfo calls
  62          * if you chose to do that. getParentPid may be called several times for different pids before the relevant updateProcessInfo calls are made.
  63          * This is because the tree structure has to be sorted out first.
  64          */
  65         class Private;
  66         Private *d;
  67
  68     };
  69 }
  70 #endif