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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QWSSIGNALHANDLER_P_H
#define QWSSIGNALHANDLER_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of the QLibrary class. This header file may change from
// version to version without notice, or even be removed.
//
// We mean it.
//
#include <QtCore/qglobal.h>
#ifndef QT_NO_QWS_SIGNALHANDLER
#include <QtCore/qhash.h>
#include <QtCore/qlist.h>
#include <QtCore/qobjectcleanuphandler.h>
QT_BEGIN_NAMESPACE
typedef void (*qt_sighandler_t)(int);
class QLock;
class QWSLock;
class QWSSignalHandlerPrivate;
class Q_GUI_EXPORT QWSSignalHandler
{
public:
static QWSSignalHandler* instance();
~QWSSignalHandler();
#ifndef QT_NO_QWS_MULTIPROCESS
inline void addLock(QLock *lock) { locks.append(lock); }
inline void removeLock(QLock *lock) { locks.removeOne(lock); }
inline void addWSLock(QWSLock *wslock) { wslocks.append(wslock); }
inline void removeWSLock(QWSLock *wslock) { wslocks.removeOne(wslock); }
#endif
inline void addObject(QObject *object) { (void)objects.add(object); }
private:
QWSSignalHandler();
void clear();
static void handleSignal(int signal);
QHash<int, qt_sighandler_t> oldHandlers;
#ifndef QT_NO_QWS_MULTIPROCESS
QList<QLock *> locks;
QList<QWSLock *> wslocks;
#endif
QObjectCleanupHandler objects;
friend class QWSSignalHandlerPrivate;
};
QT_END_NAMESPACE
#endif // QT_NO_QWS_SIGNALHANDLER
#endif // QWSSIGNALHANDLER_P_H
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