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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 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, 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.
**
** 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "virtualserialdevice.h"
#include <QtCore/QThread>
#include <QtCore/QWaitCondition>
namespace SymbianUtils {
bool VirtualSerialDevice::isSequential() const
{
return true;
}
VirtualSerialDevice::VirtualSerialDevice(const QString &aPortName, QObject *parent) :
QIODevice(parent), portName(aPortName), lock(QMutex::NonRecursive), emittingBytesWritten(false), waiterForBytesWritten(NULL)
{
platInit();
}
const QString& VirtualSerialDevice::getPortName() const
{
return portName;
}
void VirtualSerialDevice::close()
{
if (isOpen()) {
QMutexLocker locker(&lock);
delete waiterForBytesWritten;
waiterForBytesWritten = NULL;
QIODevice::close();
platClose();
}
}
void VirtualSerialDevice::emitBytesWrittenIfNeeded(QMutexLocker& locker, qint64 len)
{
if (waiterForBytesWritten) {
waiterForBytesWritten->wakeAll();
}
if (!emittingBytesWritten) {
emittingBytesWritten = true;
locker.unlock();
emit bytesWritten(len);
locker.relock();
emittingBytesWritten = false;
}
}
} // namespace SymbianUtils
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