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/****************************************************************************
**
** Copyright (C) 2014 Jolla Ltd, author <robin.burchell@jollamobile.com>
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Messaging Framework.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/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.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include <QSystemSemaphore>

#include "locks_p.h"
#include "qmaillog.h"

class ProcessMutexPrivate : private QSystemSemaphore
{
public:
    ProcessMutexPrivate(const QString &key, int id) : QSystemSemaphore(key + QString::number(id), 1) {}

    void lock() { acquire(); }
    void unlock() { release(); }
};

ProcessMutex::ProcessMutex(const QString &path, int id)
    : d(new ProcessMutexPrivate(path, id))
{
}

ProcessMutex::~ProcessMutex()
{
    delete d;
}

void ProcessMutex::lock()
{
    d->lock();
}

void ProcessMutex::unlock()
{
    d->unlock();
}