6c7659b584
Change-Id: Ib48a12e902f2311c295b2007f08f44dee28f431d Reviewed-on: https://gerrit.libreoffice.org/3499 Reviewed-by: David Tardon <dtardon@redhat.com> Tested-by: David Tardon <dtardon@redhat.com>
104 lines
2.7 KiB
C++
104 lines
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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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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/** Representation.
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*/
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oslInterlockedCount m_nReferenceCount;
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/** Not implemented.
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*/
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ReferenceObject (const ReferenceObject&);
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ReferenceObject& operator= (const ReferenceObject&);
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public:
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/** Allocation.
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*/
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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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/** Construction.
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*/
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inline ReferenceObject() SAL_THROW(()) : m_nReferenceCount (0)
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{}
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/** IReference.
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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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/** Destruction.
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*/
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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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