office-gobmx/store/source/storbase.cxx
Stephan Bergmann b36963c0a6 Replace "SAL_OVERRIDE" with "override" in LIBO_INTERNAL_ONLY code
Change-Id: I2ea407acd763ef2d7dae2d3b8f32525523ac8274
2015-10-12 17:52:29 +02:00

172 lines
4.6 KiB
C++

/* -*- 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 "boost/noncopyable.hpp"
#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;
/*========================================================================
*
* SharedCount::Allocator.
*
*======================================================================*/
SharedCount::Allocator &
SharedCount::Allocator::get()
{
static Allocator g_aSharedCountAllocator;
return g_aSharedCountAllocator;
}
SharedCount::Allocator::Allocator()
{
m_cache = rtl_cache_create (
"store_shared_count_cache",
sizeof(long),
0, // objalign
0, // constructor
0, // destructor
0, // reclaim
0, // userarg
0, // default source
0 // flags
);
}
SharedCount::Allocator::~Allocator()
{
rtl_cache_destroy (m_cache), m_cache = 0;
}
/*========================================================================
*
* PageData::Allocator_Impl (default allocator).
*
*======================================================================*/
namespace store
{
class PageData::Allocator_Impl :
public store::OStoreObject,
public store::PageData::Allocator,
private boost::noncopyable
{
public:
/** Construction (two phase).
*/
Allocator_Impl();
storeError initialize (sal_uInt16 nPageSize);
protected:
/** Destruction.
*/
virtual ~Allocator_Impl();
private:
/** Representation.
*/
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(0), m_page_size(0)
{}
storeError
PageData::Allocator_Impl::initialize (sal_uInt16 nPageSize)
{
char name[RTL_CACHE_NAME_LENGTH + 1];
sal_Size size = sal::static_int_cast< sal_Size >(nPageSize);
(void) snprintf (name, sizeof(name), "store_page_alloc_%" SAL_PRIuUINTPTR, size);
m_page_cache = rtl_cache_create (name, size, 0, 0, 0, 0, 0, 0, 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 = 0;
}
void PageData::Allocator_Impl::allocate_Impl (void ** ppPage, sal_uInt16 * pnSize)
{
OSL_PRECOND((ppPage != 0) && (pnSize != 0), "contract violation");
if ((ppPage != 0) && (pnSize != 0))
*ppPage = rtl_cache_alloc(m_page_cache), *pnSize = m_page_size;
}
void PageData::Allocator_Impl::deallocate_Impl (void * pPage)
{
OSL_PRECOND(pPage != 0, "contract violation");
rtl_cache_free(m_page_cache, pPage);
}
/*========================================================================
*
* PageData::Allocator factory.
*
*======================================================================*/
storeError
PageData::Allocator::createInstance (rtl::Reference< PageData::Allocator > & rxAllocator, sal_uInt16 nPageSize)
{
rtl::Reference< PageData::Allocator_Impl > xAllocator (new PageData::Allocator_Impl());
if (!xAllocator.is())
return store_E_OutOfMemory;
rxAllocator = &*xAllocator;
return xAllocator->initialize (nPageSize);
}
/*========================================================================
*
* OStorePageObject.
*
*======================================================================*/
/*
* ~OStorePageObject.
*/
OStorePageObject::~OStorePageObject()
{
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */