tests/auto/qsharedmemory/src/qsystemlock_p.h
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/auto/qsharedmemory/src/qsystemlock_p.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,109 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@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"
+#ifndef Q_OS_WINCE
+#include <sys/types.h>
+#endif
+
+#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
+