| /* |
| * Copyright (c) 2020-2021 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef PAS_THREAD_LOCAL_CACHE_LAYOUT_NODE_H |
| #define PAS_THREAD_LOCAL_CACHE_LAYOUT_NODE_H |
| |
| #include "pas_allocator_index.h" |
| #include "pas_lock.h" |
| #include "pas_thread_local_cache_layout_node_kind.h" |
| #include "pas_utils.h" |
| |
| PAS_BEGIN_EXTERN_C; |
| |
| struct pas_local_view_cache_node; |
| struct pas_redundant_local_allocator_node; |
| struct pas_segregated_size_directory; |
| struct pas_thread_local_cache; |
| struct pas_thread_local_cache_layout_node_opaque; |
| typedef struct pas_local_view_cache_node pas_local_view_cache_node; |
| typedef struct pas_redundant_local_allocator_node pas_redundant_local_allocator_node; |
| typedef struct pas_segregated_size_directory pas_segregated_size_directory; |
| typedef struct pas_thread_local_cache pas_thread_local_cache; |
| typedef struct pas_thread_local_cache_layout_node_opaque* pas_thread_local_cache_layout_node; |
| |
| #define PAS_THREAD_LOCAL_CACHE_LAYOUT_NODE_KIND_MASK 3lu |
| |
| static inline void* pas_thread_local_cache_layout_node_get_ptr(pas_thread_local_cache_layout_node node) |
| { |
| return (void*)((uintptr_t)node & ~PAS_THREAD_LOCAL_CACHE_LAYOUT_NODE_KIND_MASK); |
| } |
| |
| static inline pas_thread_local_cache_layout_node_kind |
| pas_thread_local_cache_layout_node_get_kind(pas_thread_local_cache_layout_node node) |
| { |
| return (pas_thread_local_cache_layout_node_kind)( |
| (uintptr_t)node & PAS_THREAD_LOCAL_CACHE_LAYOUT_NODE_KIND_MASK); |
| } |
| |
| static inline pas_thread_local_cache_layout_node |
| pas_thread_local_cache_layout_node_create(pas_thread_local_cache_layout_node_kind kind, void* ptr) |
| { |
| pas_thread_local_cache_layout_node result; |
| |
| PAS_ASSERT(ptr); |
| |
| result = (pas_thread_local_cache_layout_node)((uintptr_t)ptr | (uintptr_t)kind); |
| PAS_ASSERT(pas_thread_local_cache_layout_node_get_ptr(result) == ptr); |
| PAS_ASSERT(pas_thread_local_cache_layout_node_get_kind(result) == kind); |
| |
| return result; |
| } |
| |
| static inline pas_thread_local_cache_layout_node |
| pas_wrap_segregated_size_directory(pas_segregated_size_directory* directory) |
| { |
| return pas_thread_local_cache_layout_node_create( |
| pas_thread_local_cache_layout_segregated_size_directory_node_kind, directory); |
| } |
| |
| static inline pas_thread_local_cache_layout_node |
| pas_wrap_redundant_local_allocator_node(pas_redundant_local_allocator_node* node) |
| { |
| return pas_thread_local_cache_layout_node_create( |
| pas_thread_local_cache_layout_redundant_local_allocator_node_kind, node); |
| } |
| |
| static inline pas_thread_local_cache_layout_node |
| pas_wrap_local_view_cache_node(pas_local_view_cache_node* node) |
| { |
| return pas_thread_local_cache_layout_node_create( |
| pas_thread_local_cache_layout_local_view_cache_node_kind, node); |
| } |
| |
| static inline bool |
| pas_is_wrapped_segregated_size_directory(pas_thread_local_cache_layout_node node) |
| { |
| return pas_thread_local_cache_layout_node_get_kind(node) |
| == pas_thread_local_cache_layout_segregated_size_directory_node_kind; |
| } |
| |
| static inline bool |
| pas_is_wrapped_redundant_local_allocator_node(pas_thread_local_cache_layout_node node) |
| { |
| return pas_thread_local_cache_layout_node_get_kind(node) |
| == pas_thread_local_cache_layout_redundant_local_allocator_node_kind; |
| } |
| |
| static inline bool |
| pas_is_wrapped_local_view_cache_node(pas_thread_local_cache_layout_node node) |
| { |
| return pas_thread_local_cache_layout_node_get_kind(node) |
| == pas_thread_local_cache_layout_local_view_cache_node_kind; |
| } |
| |
| static inline pas_segregated_size_directory* |
| pas_unwrap_segregated_size_directory(pas_thread_local_cache_layout_node node) |
| { |
| PAS_ASSERT(pas_is_wrapped_segregated_size_directory(node)); |
| return (pas_segregated_size_directory*)pas_thread_local_cache_layout_node_get_ptr(node); |
| } |
| |
| static inline pas_redundant_local_allocator_node* |
| pas_unwrap_redundant_local_allocator_node(pas_thread_local_cache_layout_node node) |
| { |
| PAS_ASSERT(pas_is_wrapped_redundant_local_allocator_node(node)); |
| return (pas_redundant_local_allocator_node*)pas_thread_local_cache_layout_node_get_ptr(node); |
| } |
| |
| static inline pas_local_view_cache_node* |
| pas_unwrap_local_view_cache_node(pas_thread_local_cache_layout_node node) |
| { |
| PAS_ASSERT(pas_is_wrapped_local_view_cache_node(node)); |
| return (pas_local_view_cache_node*)pas_thread_local_cache_layout_node_get_ptr(node); |
| } |
| |
| PAS_API pas_segregated_size_directory* |
| pas_thread_local_cache_layout_node_get_directory(pas_thread_local_cache_layout_node node); |
| |
| PAS_API pas_allocator_index |
| pas_thread_local_cache_layout_num_allocator_indices(pas_thread_local_cache_layout_node node); |
| |
| static inline bool |
| pas_thread_local_cache_layout_node_represents_allocator(pas_thread_local_cache_layout_node node) |
| { |
| return pas_is_wrapped_segregated_size_directory(node) |
| || pas_is_wrapped_redundant_local_allocator_node(node); |
| } |
| |
| static inline bool |
| pas_thread_local_cache_layout_node_represents_view_cache(pas_thread_local_cache_layout_node node) |
| { |
| return pas_is_wrapped_local_view_cache_node(node); |
| } |
| |
| PAS_API pas_allocator_index |
| pas_thread_local_cache_layout_node_get_allocator_index_generic(pas_thread_local_cache_layout_node node); |
| |
| PAS_API pas_allocator_index |
| pas_thread_local_cache_layout_node_get_allocator_index_for_allocator( |
| pas_thread_local_cache_layout_node node); |
| |
| PAS_API pas_allocator_index |
| pas_thread_local_cache_layout_node_get_allocator_index_for_view_cache( |
| pas_thread_local_cache_layout_node node); |
| |
| PAS_API void |
| pas_thread_local_cache_layout_node_set_allocator_index(pas_thread_local_cache_layout_node node, |
| pas_allocator_index index); |
| |
| PAS_API pas_thread_local_cache_layout_node |
| pas_thread_local_cache_layout_node_get_next(pas_thread_local_cache_layout_node node); |
| |
| PAS_API void |
| pas_thread_local_cache_layout_node_set_next(pas_thread_local_cache_layout_node node, |
| pas_thread_local_cache_layout_node next_node); |
| |
| PAS_API void pas_thread_local_cache_layout_node_construct(pas_thread_local_cache_layout_node node, |
| pas_thread_local_cache* cache); |
| |
| PAS_API void pas_thread_local_cache_layout_node_move(pas_thread_local_cache_layout_node node, |
| pas_thread_local_cache* to_cache, |
| pas_thread_local_cache* from_cache); |
| |
| PAS_API void pas_thread_local_cache_layout_node_stop(pas_thread_local_cache_layout_node node, |
| pas_thread_local_cache* cache, |
| pas_lock_lock_mode page_lock_mode, |
| pas_lock_hold_mode heap_lock_hold_mode); |
| |
| PAS_END_EXTERN_C; |
| |
| #endif /* PAS_THREAD_LOCAL_CACHE_LAYOUT_NODE_H */ |
| |