/* -*- 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_RTL_ALLOC_CACHE_HXX #define INCLUDED_RTL_ALLOC_CACHE_HXX #include "sal/types.h" #include "rtl/alloc.h" #include "alloc_impl.hxx" /** rtl_cache_stat_type * @internal */ struct rtl_cache_stat_type { sal_uInt64 m_alloc; sal_uInt64 m_free; sal_Size m_mem_total; sal_Size m_mem_alloc; }; /** rtl_cache_bufctl_type * @internal */ struct rtl_cache_bufctl_type { rtl_cache_bufctl_type * m_next; /* linkage */ sal_uIntPtr m_addr; /* buffer address */ sal_uIntPtr m_slab; /* parent slab address */ }; /** rtl_cache_slab_type * @internal */ struct rtl_cache_slab_type { rtl_cache_slab_type * m_slab_next; /* slab linkage */ rtl_cache_slab_type * m_slab_prev; /* slab linkage */ sal_Size m_ntypes; /* number of buffers used */ sal_uIntPtr m_data; /* buffer start addr */ sal_uIntPtr m_bp; /* free buffer linkage 'base pointer' */ rtl_cache_bufctl_type * m_sp; /* free buffer linkage 'stack pointer' */ }; /** rtl_cache_magazine_type * @internal */ #define RTL_CACHE_MAGAZINE_SIZE 61 struct rtl_cache_magazine_type { rtl_cache_magazine_type * m_mag_next; /* depot linkage */ sal_Size m_mag_size; sal_Size m_mag_used; void * m_objects[RTL_CACHE_MAGAZINE_SIZE]; }; /** rtl_cache_depot_type * @internal */ struct rtl_cache_depot_type { /* magazine list */ rtl_cache_magazine_type * m_mag_next; /* linkage */ sal_Size m_mag_count; /* count */ /* working set parameters */ sal_Size m_curr_min; sal_Size m_prev_min; }; /** rtl_cache_type * @internal */ #define RTL_CACHE_HASH_SIZE 8 #define RTL_CACHE_FEATURE_HASH 1 #define RTL_CACHE_FEATURE_BULKDESTROY 2 #define RTL_CACHE_FEATURE_RESCALE 4 /* within hash rescale operation */ struct rtl_cache_st { /* linkage */ rtl_cache_type * m_cache_next; rtl_cache_type * m_cache_prev; /* properties */ char m_name[RTL_CACHE_NAME_LENGTH + 1]; long m_features; sal_Size m_type_size; /* const */ sal_Size m_type_align; /* const */ sal_Size m_type_shift; /* log2(m_type_size); const */ int (SAL_CALL * m_constructor)(void * obj, void * userarg); /* const */ void (SAL_CALL * m_destructor) (void * obj, void * userarg); /* const */ void (SAL_CALL * m_reclaim) (void * userarg); /* const */ void * m_userarg; /* slab layer */ rtl_memory_lock_type m_slab_lock; rtl_cache_stat_type m_slab_stats; rtl_arena_type * m_source; /* slab supplier; const */ sal_Size m_slab_size; /* const */ sal_Size m_ntypes; /* number of buffers per slab; const */ sal_Size m_ncolor; /* next slab color */ sal_Size m_ncolor_max; /* max. slab color */ rtl_cache_slab_type m_free_head; rtl_cache_slab_type m_used_head; rtl_cache_bufctl_type ** m_hash_table; rtl_cache_bufctl_type * m_hash_table_0[RTL_CACHE_HASH_SIZE]; sal_Size m_hash_size; /* m_hash_mask + 1 */ sal_Size m_hash_shift; /* log2(m_hash_size) */ /* depot layer */ rtl_memory_lock_type m_depot_lock; rtl_cache_depot_type m_depot_empty; rtl_cache_depot_type m_depot_full; rtl_cache_type * m_magazine_cache; /* magazine supplier; const */ /* cpu layer */ rtl_cache_magazine_type * m_cpu_curr; rtl_cache_magazine_type * m_cpu_prev; rtl_cache_stat_type m_cpu_stats; }; #endif /* INCLUDED_RTL_ALLOC_CACHE_HXX */ /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ /collabora/lov-6.0.5'>distro/collabora/lov-6.0.5
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