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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
**
** 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.
**
** 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#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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