117 lines
3.5 KiB
C++
117 lines
3.5 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 .
|
|
*/
|
|
|
|
#ifndef INCLUDED_SAL_RTL_ALLOC_ARENA_HXX
|
|
#define INCLUDED_SAL_RTL_ALLOC_ARENA_HXX
|
|
|
|
#include <sal/types.h>
|
|
#include <rtl/alloc.h>
|
|
#include "alloc_impl.hxx"
|
|
|
|
/** rtl_arena_stat_type
|
|
* @internal
|
|
*/
|
|
struct rtl_arena_stat_type
|
|
{
|
|
sal_uInt64 m_alloc;
|
|
sal_uInt64 m_free;
|
|
|
|
sal_Size m_mem_total;
|
|
sal_Size m_mem_alloc;
|
|
};
|
|
|
|
/** rtl_arena_segment_type
|
|
* @internal
|
|
*/
|
|
#define RTL_ARENA_SEGMENT_TYPE_HEAD ((sal_Size)(0x01))
|
|
#define RTL_ARENA_SEGMENT_TYPE_SPAN ((sal_Size)(0x02))
|
|
#define RTL_ARENA_SEGMENT_TYPE_FREE ((sal_Size)(0x04))
|
|
#define RTL_ARENA_SEGMENT_TYPE_USED ((sal_Size)(0x08))
|
|
|
|
struct rtl_arena_segment_type
|
|
{
|
|
/* segment list linkage */
|
|
rtl_arena_segment_type * m_snext;
|
|
rtl_arena_segment_type * m_sprev;
|
|
|
|
/* free/used list linkage */
|
|
rtl_arena_segment_type * m_fnext;
|
|
rtl_arena_segment_type * m_fprev;
|
|
|
|
/* segment description */
|
|
sal_uIntPtr m_addr;
|
|
sal_Size m_size;
|
|
sal_Size m_type;
|
|
};
|
|
|
|
/** rtl_arena_type
|
|
* @internal
|
|
*/
|
|
#define RTL_ARENA_FREELIST_SIZE (sizeof(void*) * 8)
|
|
#define RTL_ARENA_HASH_SIZE 64
|
|
|
|
#define RTL_ARENA_FLAG_RESCALE 1 /* within hash rescale operation */
|
|
|
|
struct rtl_arena_st
|
|
{
|
|
/* linkage */
|
|
rtl_arena_type * m_arena_next;
|
|
rtl_arena_type * m_arena_prev;
|
|
|
|
/* properties */
|
|
char m_name[RTL_ARENA_NAME_LENGTH + 1];
|
|
long m_flags;
|
|
|
|
rtl_memory_lock_type m_lock;
|
|
rtl_arena_stat_type m_stats;
|
|
|
|
rtl_arena_type * m_source_arena;
|
|
void * (SAL_CALL * m_source_alloc)(rtl_arena_type *, sal_Size *);
|
|
void (SAL_CALL * m_source_free) (rtl_arena_type *, void *, sal_Size);
|
|
|
|
sal_Size m_quantum;
|
|
sal_Size m_quantum_shift; /* log2(m_quantum) */
|
|
|
|
rtl_arena_segment_type m_segment_reserve_span_head;
|
|
rtl_arena_segment_type m_segment_reserve_head;
|
|
|
|
rtl_arena_segment_type m_segment_head;
|
|
|
|
rtl_arena_segment_type m_freelist_head[RTL_ARENA_FREELIST_SIZE];
|
|
sal_Size m_freelist_bitmap;
|
|
|
|
rtl_arena_segment_type ** m_hash_table;
|
|
rtl_arena_segment_type * m_hash_table_0[RTL_ARENA_HASH_SIZE];
|
|
sal_Size m_hash_size; /* m_hash_mask + 1 */
|
|
sal_Size m_hash_shift; /* log2(m_hash_size) */
|
|
|
|
sal_Size m_qcache_max;
|
|
rtl_cache_type ** m_qcache_ptr;
|
|
};
|
|
|
|
/** gp_default_arena
|
|
* default arena with pagesize quantum
|
|
*
|
|
* @internal
|
|
*/
|
|
extern rtl_arena_type * gp_default_arena;
|
|
|
|
#endif // INCLUDED_SAL_RTL_ALLOC_ARENA_HXX
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|