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****************************************************************************/

#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/qmap.h>
#include <QtCore/qvector.h>
#include <QtCore/qobjectcleanuphandler.h>

QT_BEGIN_NAMESPACE

typedef void (*qt_sighandler_t)(int);

class QWSSignalHandlerPrivate;

class Q_GUI_EXPORT QWSSignalHandler
{
public:
    static QWSSignalHandler* instance();

    ~QWSSignalHandler();

#ifndef QT_NO_QWS_MULTIPROCESS
    inline void addSemaphore(int semno) { semaphores.append(semno); }
    void removeSemaphore(int semno);
#endif
    inline void addObject(QObject *object) { (void)objects.add(object); }

private:
    QWSSignalHandler();
    static void handleSignal(int signal);
    QMap<int, qt_sighandler_t> oldHandlers;
#ifndef QT_NO_QWS_MULTIPROCESS
    QVector<int> semaphores;
#endif
    QObjectCleanupHandler objects;

    friend class QWSSignalHandlerPrivate;
};

QT_END_NAMESPACE

#endif // QT_NO_QWS_SIGNALHANDLER

#endif // QWSSIGNALHANDLER_P_H