diff options
Diffstat (limited to 'store/source/storbase.cxx')
-rw-r--r-- | store/source/storbase.cxx | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/store/source/storbase.cxx b/store/source/storbase.cxx new file mode 100644 index 000000000000..6eb005e453d8 --- /dev/null +++ b/store/source/storbase.cxx @@ -0,0 +1,197 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// 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) +{ +} |