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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 test suite 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 QSYSTEMLOCK_P_H
+#define QSYSTEMLOCK_P_H
+
+#ifndef QT_NO_SYSTEMLOCK
+
+#include "qsystemlock.h"
+#include "private/qsharedmemory_p.h"
+
+#define MAX_LOCKS 64
+
+class QSystemLockPrivate
+{
+
+public:
+ QSystemLockPrivate();
+
+ QString makeKeyFileName()
+ {
+ return QSharedMemoryPrivate::makePlatformSafeKey(key, QLatin1String("qipc_systemlock_"));
+ }
+
+ void setErrorString(const QString &function);
+
+#ifdef Q_OS_WIN
+ HANDLE handle();
+ bool lock(HANDLE, int count);
+ bool unlock(HANDLE, int count);
+#else
+ key_t handle();
+#endif
+ void cleanHandle();
+
+ enum Operation {
+ Lock,
+ Unlock
+ };
+ bool modifySemaphore(Operation op, QSystemLock::LockMode mode = QSystemLock::ReadOnly);
+
+ QString key;
+ QString fileName;
+#ifdef Q_OS_WIN
+ HANDLE semaphore;
+ HANDLE semaphoreLock;
+#else
+ int semaphore;
+#endif
+ int lockCount;
+ QSystemLock::LockMode lockedMode;
+
+ QSystemLock::SystemLockError error;
+ QString errorString;
+
+private:
+#ifndef Q_OS_WIN
+ key_t unix_key;
+ bool createdFile;
+ bool createdSemaphore;
+#endif
+};
+
+#endif // QT_NO_SYSTEMLOCK
+
+#endif // QSYSTEMLOCK_P_H
+