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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: storbase.cxx,v $
*
* $Revision: 1.12.8.4 $
*
* last change: $Author: mhu $ $Date: 2008/10/31 18:28:18 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_store.hxx"
#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"
#ifndef INCLUDED_STDIO_H
#include <stdio.h>
#define INCLUDED_STDIO_H
#endif
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
{
public:
/** Construction (two phase).
*/
Allocator_Impl();
storeError initialize (sal_uInt16 nPageSize);
/** Delegate multiple inherited rtl::IReference.
*/
virtual oslInterlockedCount SAL_CALL acquire()
{
return OStoreObject::acquire();
}
virtual oslInterlockedCount SAL_CALL release()
{
return OStoreObject::release();
}
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);
virtual void deallocate_Impl (void * pPage);
/** Not implemented.
*/
Allocator_Impl (Allocator_Impl const &);
Allocator_Impl & operator= (Allocator_Impl const &);
};
} // 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_%lu", 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");
*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 (void)
{
}
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