/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
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 */

#ifndef INCLUDED_SD_INC_MISC_SCOPELOCK_HXX
#define INCLUDED_SD_INC_MISC_SCOPELOCK_HXX

#include <sal/types.h>

namespace sd
{

class ScopeLock
{
    friend class ScopeLockGuard;
public:
    ScopeLock() : mnLock(0) {}
    bool isLocked() const { return mnLock != 0; }
private:
    void lock() { mnLock++; }
    void unlock() { mnLock--; }

    sal_Int32   mnLock;
};

class ScopeLockGuard
{
public:
    ScopeLockGuard( ScopeLock& rScopeLock ) : mrScopeLock( rScopeLock ) { mrScopeLock.lock(); }
    ~ScopeLockGuard() { mrScopeLock.unlock(); }
private:
    ScopeLock& mrScopeLock;
};

} // namespace sd

#endif // INCLUDED_SD_INC_MISC_SCOPELOCK_HXX

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