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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 _SALHELPER_REFOBJ_HXX_
#define _SALHELPER_REFOBJ_HXX_
#include <sal/types.h>
#include <rtl/alloc.h>
#include <rtl/ref.hxx>
#include <osl/diagnose.h>
#include <osl/interlck.h>
namespace salhelper
{
//----------------------------------------------------------------------------
class ReferenceObject : public rtl::IReference
{
/** Representation.
*/
oslInterlockedCount m_nReferenceCount;
/** Not implemented.
*/
ReferenceObject (const ReferenceObject&);
ReferenceObject& operator= (const ReferenceObject&);
public:
/** Allocation.
*/
static void* operator new (size_t n) SAL_THROW(())
{
return ::rtl_allocateMemory (n);
}
static void operator delete (void* p) SAL_THROW(())
{
::rtl_freeMemory (p);
}
static void* operator new (size_t, void* p) SAL_THROW(())
{
return (p);
}
static void operator delete (void*, void*) SAL_THROW(())
{}
public:
/** Construction.
*/
inline ReferenceObject() SAL_THROW(()) : m_nReferenceCount (0)
{}
/** IReference.
*/
virtual oslInterlockedCount SAL_CALL acquire() SAL_THROW(())
{
return ::osl_incrementInterlockedCount (&m_nReferenceCount);
}
virtual oslInterlockedCount SAL_CALL release() SAL_THROW(())
{
oslInterlockedCount result;
result = ::osl_decrementInterlockedCount (&m_nReferenceCount);
if (result == 0)
{
// Last reference released.
delete this;
}
return (result);
}
protected:
/** Destruction.
*/
virtual ~ReferenceObject() SAL_THROW(())
{
OSL_ASSERT(m_nReferenceCount == 0);
}
};
//----------------------------------------------------------------------------
} // namespace salhelper
#endif /* !_SALHELPER_REFOBJ_HXX_ */
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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