k3processcontroller.h

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/* This file is part of the KDE libraries
    Copyright (C) 1997 Christian Czezakte (e9025461@student.tuwien.ac.at)

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 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
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
*/

#ifndef K3PROCCTRL_H
#define K3PROCCTRL_H

#include <QtCore/QList>
#include <k3process.h>


class KDE3SUPPORT_EXPORT_DEPRECATED K3ProcessController : public QObject
{
  Q_OBJECT

public:
  static void ref();

  static void deref();

  static K3ProcessController *instance();

  static void theSigCHLDHandler(int signal); // KDE4: private

  bool waitForProcessExit(int timeout);

  void unscheduleCheck();

  void rescheduleCheck();

  /*
   * Obtain the file descriptor K3ProcessController uses to get notified
   * about process exits. select() or poll() on it if you create a custom
   * event loop that needs to act upon SIGCHLD.
   * @return the file descriptor of the reading end of the notification pipe
   */
  int notifierFd() const;

  void addKProcess( K3Process* );
  void removeKProcess( K3Process* );
  void addProcess( int pid );

private Q_SLOTS:
  void slotDoHousekeeping();

private:
  friend class I_just_love_gcc;

  static void setupHandlers();
  static void resetHandlers();

  // Disallow instantiation
  K3ProcessController();
  ~K3ProcessController();

  // Disallow assignment and copy-construction
  K3ProcessController( const K3ProcessController& );
  K3ProcessController& operator= ( const K3ProcessController& );

  class Private;
  Private * const d;
};

#endif