/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* 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 .
*/
#include "storbase.hxx"
#include <sal/types.h>
#include <rtl/alloc.h>
#include <rtl/ref.hxx>
#include <osl/diagnose.h>
#include <store/types.h>
#include "object.hxx"
#include <stdio.h>
using namespace store;
// PageData::Allocator_Impl (default allocator).
namespace store
{
class PageData::Allocator_Impl :
public store::OStoreObject,
public store::PageData::Allocator
{
public :
/** Construction (two phase).
*/
Allocator_Impl();
Allocator_Impl(const Allocator_Impl&) = delete ;
Allocator_Impl& operator =(const Allocator_Impl&) = delete ;
storeError initialize (sal_uInt16 nPageSize);
protected :
virtual ~Allocator_Impl() override;
private :
rtl_cache_type * m_page_cache;
sal_uInt16 m_page_size;
/** PageData::Allocator implementation.
*/
virtual void allocate_Impl (void ** ppPage, sal_uInt16 * pnSize) override;
virtual void deallocate_Impl (void * pPage) override;
};
} // namespace store
PageData::Allocator_Impl::Allocator_Impl()
: m_page_cache(nullptr), m_page_size(0 )
{}
storeError
PageData::Allocator_Impl::initialize (sal_uInt16 nPageSize)
{
char name[RTL_CACHE_NAME_LENGTH + 1 ];
std::size_t size = sal::static_int_cast<std::size_t>(nPageSize);
(void ) snprintf (name, sizeof (name), "store_page_alloc_%" SAL_PRI_SIZET "u" , size);
m_page_cache = rtl_cache_create (name, size, 0 , nullptr, nullptr, nullptr, nullptr, nullptr, 0 );
if (!m_page_cache)
return store_E_OutOfMemory;
m_page_size = nPageSize;
return store_E_None;
}
PageData::Allocator_Impl::~Allocator_Impl()
{
rtl_cache_destroy(m_page_cache);
m_page_cache = nullptr;
}
void PageData::Allocator_Impl::allocate_Impl (void ** ppPage, sal_uInt16 * pnSize)
{
OSL_PRECOND((ppPage != nullptr) && (pnSize != nullptr), "contract violation" );
if ((ppPage != nullptr) && (pnSize != nullptr))
{
*ppPage = rtl_cache_alloc(m_page_cache);
*pnSize = m_page_size;
}
}
void PageData::Allocator_Impl::deallocate_Impl (void * pPage)
{
OSL_PRECOND(pPage != nullptr, "contract violation" );
rtl_cache_free(m_page_cache, pPage);
}
storeError
PageData::Allocator::createInstance (rtl::Reference< PageData::Allocator > & rxAllocator, sal_uInt16 nPageSize)
{
rtl::Reference< PageData::Allocator_Impl > xAllocator (new PageData::Allocator_Impl());
rxAllocator = &*xAllocator;
return xAllocator->initialize (nPageSize);
}
OStorePageObject::~OStorePageObject()
{
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
Messung V0.5 in Prozent C=94 H=96 G=94
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-09-29)
¤
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