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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QFILESYSTEMWATCHER_KQUEUE_P_H
#define QFILESYSTEMWATCHER_KQUEUE_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 "qfilesystemwatcher_p.h"

#include <QtCore/qhash.h>
#include <QtCore/qmutex.h>
#include <QtCore/qthread.h>
#include <QtCore/qvector.h>
#include <QtCore/qsocketnotifier.h>

#ifndef QT_NO_FILESYSTEMWATCHER
struct kevent;

QT_BEGIN_NAMESPACE

class QKqueueFileSystemWatcherEngine : public QFileSystemWatcherEngine
{
    Q_OBJECT
public:
    ~QKqueueFileSystemWatcherEngine();

    static QKqueueFileSystemWatcherEngine *create(QObject *parent);

    QStringList addPaths(const QStringList &paths, QStringList *files, QStringList *directories);
    QStringList removePaths(const QStringList &paths, QStringList *files, QStringList *directories);

private Q_SLOTS:
    void readFromKqueue();

private:
    QKqueueFileSystemWatcherEngine(int kqfd, QObject *parent);

    int kqfd;

    QHash<QString, int> pathToID;
    QHash<int, QString> idToPath;
    QSocketNotifier notifier;
};

QT_END_NAMESPACE

#endif //QT_NO_FILESYSTEMWATCHER
#endif // QFILESYSTEMWATCHER_KQUEUE_P_H