b1fb6338cf
Change-Id: I744788bde9778f85ccd9d7667e19d16842900a29 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/110248 Tested-by: Jenkins Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
102 lines
2.4 KiB
C++
102 lines
2.4 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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/*
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* This file is part of LibreOffice published API.
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*/
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#ifndef INCLUDED_SALHELPER_REFOBJ_HXX
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#define INCLUDED_SALHELPER_REFOBJ_HXX
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#include <cassert>
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#include "sal/types.h"
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#include "rtl/alloc.h"
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#include "osl/interlck.h"
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namespace salhelper
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{
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/** A base implementation for reference-counted objects.
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@deprecated use salhelper::SimpleReferenceObject instead
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*/
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class ReferenceObject
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{
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/** Representation.
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*/
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oslInterlockedCount m_nReferenceCount;
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ReferenceObject (const ReferenceObject&) SAL_DELETED_FUNCTION;
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ReferenceObject& operator= (const ReferenceObject&) SAL_DELETED_FUNCTION;
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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)
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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)
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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)
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{
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return p;
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}
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static void operator delete (void*, void*)
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{}
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public:
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/** Construction.
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*/
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ReferenceObject() : m_nReferenceCount(0)
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{}
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void SAL_CALL acquire()
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{
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osl_atomic_increment(&m_nReferenceCount);
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}
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void SAL_CALL release()
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{
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if (osl_atomic_decrement(&m_nReferenceCount) == 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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}
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protected:
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/** Destruction.
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*/
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virtual ~ReferenceObject()
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{
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assert(m_nReferenceCount == 0);
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}
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};
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} // namespace salhelper
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#endif /* ! INCLUDED_SALHELPER_REFOBJ_HXX */
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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