/usr/include/libreoffice/salhelper/refobj.hxx is in libreoffice-dev-common 1:6.0.3-0ubuntu1.
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/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_SALHELPER_REFOBJ_HXX
#define INCLUDED_SALHELPER_REFOBJ_HXX
#include <cassert>
#include "sal/types.h"
#include "rtl/alloc.h"
#include "osl/diagnose.h"
#include "osl/interlck.h"
namespace salhelper
{
/** A base implementation for reference-counted objects.
@deprecated use salhelper::SimpleReferenceObject instead
*/
class ReferenceObject
{
/** Representation.
*/
oslInterlockedCount m_nReferenceCount;
ReferenceObject (const ReferenceObject&) SAL_DELETED_FUNCTION;
ReferenceObject& operator= (const ReferenceObject&) SAL_DELETED_FUNCTION;
public:
/** Allocation.
*/
static void* operator new (size_t n)
{
return ::rtl_allocateMemory (n);
}
static void operator delete (void* p)
{
::rtl_freeMemory (p);
}
static void* operator new (size_t, void* p)
{
return p;
}
static void operator delete (void*, void*)
{}
public:
/** Construction.
*/
ReferenceObject() : m_nReferenceCount(0)
{}
void SAL_CALL acquire()
{
osl_atomic_increment(&m_nReferenceCount);
}
void SAL_CALL release()
{
if (osl_atomic_decrement(&m_nReferenceCount) == 0)
{
// Last reference released.
delete this;
}
}
protected:
/** Destruction.
*/
virtual ~ReferenceObject()
{
assert(m_nReferenceCount == 0);
}
};
} // namespace salhelper
#endif /* ! INCLUDED_SALHELPER_REFOBJ_HXX */
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