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salhelper
refobj.hxx
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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* OpenOffice.org is distributed in the hope that it will be useful,
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#ifndef _SALHELPER_REFOBJ_HXX_
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#define _SALHELPER_REFOBJ_HXX_
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#include <
sal/types.h
>
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#include <
rtl/alloc.h
>
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#include <
rtl/ref.hxx
>
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#include <
osl/diagnose.h
>
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#include <
osl/interlck.h
>
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namespace
salhelper
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{
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//----------------------------------------------------------------------------
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class
ReferenceObject
:
public
rtl::IReference
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{
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oslInterlockedCount
m_nReferenceCount;
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ReferenceObject
(
const
ReferenceObject
&);
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ReferenceObject
& operator= (
const
ReferenceObject
&);
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public
:
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static
void
*
operator
new
(
size_t
n)
SAL_THROW
(())
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{
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return ::rtl_allocateMemory
(n);
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}
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static
void
operator
delete
(
void
* p)
SAL_THROW
(())
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{
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::rtl_freeMemory
(p);
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}
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static
void
*
operator
new
(size_t,
void
* p)
SAL_THROW
(())
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{
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return
(p);
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}
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static
void
operator
delete
(
void
*,
void
*)
SAL_THROW
(())
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{}
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public
:
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inline
ReferenceObject
()
SAL_THROW
(()) : m_nReferenceCount (0)
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{}
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virtual
oslInterlockedCount
SAL_CALL
acquire
()
SAL_THROW
(())
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{
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return ::osl_incrementInterlockedCount
(&m_nReferenceCount);
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}
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virtual
oslInterlockedCount
SAL_CALL
release
()
SAL_THROW
(())
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{
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oslInterlockedCount
result;
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result =
::osl_decrementInterlockedCount
(&m_nReferenceCount);
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if
(result == 0)
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{
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// Last reference released.
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delete
this
;
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}
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return
(result);
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}
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protected
:
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virtual
~ReferenceObject
()
SAL_THROW
(())
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{
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OSL_ASSERT
(m_nReferenceCount == 0);
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}
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};
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//----------------------------------------------------------------------------
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}
// namespace salhelper
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#endif
/* !_SALHELPER_REFOBJ_HXX_ */
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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