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/* -*- 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 .
*/
#ifndef INCLUDED_PACKAGE_INC_MUTEXHOLDER_HXX
#define INCLUDED_PACKAGE_INC_MUTEXHOLDER_HXX
#include <osl/mutex.hxx>
class SotMutexHolder
{
::osl::Mutex m_aMutex;
sal_Int32 m_nRefCount;
public:
SotMutexHolder() : m_nRefCount( 0 ) {}
void AddRef()
{
m_nRefCount++;
}
void ReleaseRef()
{
if ( !--m_nRefCount )
delete this;
}
::osl::Mutex& GetMutex() { return m_aMutex; }
};
class SotMutexHolderRef
{
SotMutexHolder* m_pHolder;
public:
SotMutexHolderRef()
: m_pHolder( NULL )
{}
SotMutexHolderRef( SotMutexHolder* pHolder )
: m_pHolder( pHolder )
{
if ( m_pHolder )
m_pHolder->AddRef();
}
SotMutexHolderRef( const SotMutexHolderRef& rRef )
: m_pHolder( rRef.m_pHolder )
{
if ( m_pHolder )
m_pHolder->AddRef();
}
~SotMutexHolderRef()
{
if ( m_pHolder )
m_pHolder->ReleaseRef();
}
SotMutexHolderRef& operator =( const SotMutexHolderRef& rRef )
{
if ( m_pHolder )
m_pHolder->ReleaseRef();
m_pHolder = rRef.m_pHolder;
if ( m_pHolder )
m_pHolder->AddRef();
return *this;
}
SotMutexHolderRef& operator =( SotMutexHolder* pHolder )
{
if ( m_pHolder )
m_pHolder->ReleaseRef();
m_pHolder = pHolder;
if ( m_pHolder )
m_pHolder->AddRef();
return *this;
}
SotMutexHolder* operator ->() const
{
return m_pHolder;
}
SotMutexHolder& operator *() const
{
return *m_pHolder;
}
operator SotMutexHolder*() const
{
return m_pHolder;
}
bool Is() const
{
return m_pHolder != NULL;
}
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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