scopelock.hxx

Go to the documentation of this file.

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * 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
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */
 
#pragma once
 
#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
 
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */