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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QSYSTEMSEMAPHORE_P_H
#define QSYSTEMSEMAPHORE_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qsystemsemaphore.h"
#ifndef QT_NO_SYSTEMSEMAPHORE
#include "qsharedmemory_p.h"
#ifndef Q_OS_WINCE
# include <sys/types.h>
#endif
QT_BEGIN_NAMESPACE
class QSystemSemaphorePrivate
{
public:
QSystemSemaphorePrivate();
QString makeKeyFileName()
{
return QSharedMemoryPrivate::makePlatformSafeKey(key, QLatin1String("qipc_systemsem_"));
}
#ifdef Q_OS_WIN
HANDLE handle(QSystemSemaphore::AccessMode mode = QSystemSemaphore::Open);
#else
key_t handle(QSystemSemaphore::AccessMode mode = QSystemSemaphore::Open);
#endif
void setErrorString(const QString &function);
void cleanHandle();
bool modifySemaphore(int count);
QString key;
QString fileName;
int initialValue;
#ifdef Q_OS_WIN
HANDLE semaphore;
HANDLE semaphoreLock;
#else
int semaphore;
bool createdFile;
bool createdSemaphore;
key_t unix_key;
#endif
QString errorString;
QSystemSemaphore::SystemSemaphoreError error;
};
#endif // QT_NO_SYSTEMSEMAPHORE
QT_END_NAMESPACE
#endif // QSYSTEMSEMAPHORE_P_H
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