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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef __FRAMEWORK_HELPER_SHAREABLEMUTEX_HXX_
#define __FRAMEWORK_HELPER_SHAREABLEMUTEX_HXX_
#include <osl/interlck.h>
#include <osl/mutex.hxx>
#include <fwidllapi.h>
namespace framework
{
class FWI_DLLPUBLIC ShareableMutex
{
public:
ShareableMutex();
ShareableMutex( const ShareableMutex& rShareableMutex );
const ShareableMutex& operator=( const ShareableMutex& rShareableMutex );
~ShareableMutex();
void acquire();
void release();
::osl::Mutex& getShareableOslMutex();
private:
struct MutexRef
{
MutexRef() : m_refCount(0) {}
void acquire()
{
osl_incrementInterlockedCount( &m_refCount );
}
void release()
{
if ( osl_decrementInterlockedCount( &m_refCount ) == 0 )
delete this;
}
oslInterlockedCount m_refCount;
osl::Mutex m_oslMutex;
};
MutexRef* pMutexRef;
};
class ShareGuard
{
public:
ShareGuard( ShareableMutex& rShareMutex ) :
m_rShareMutex( rShareMutex )
{
m_rShareMutex.acquire();
}
~ShareGuard()
{
m_rShareMutex.release();
}
private:
ShareGuard();
ShareGuard& operator=( const ShareGuard& );
ShareableMutex& m_rShareMutex;
};
}
#endif // #ifndef __FRAMEWORK_HELPER_SHAREABLEMUTEX_HXX_
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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