| /* |
| * Copyright (c) 2020 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_COMMIT_SPAN_H |
| #define PAS_COMMIT_SPAN_H |
| |
| #include "pas_lock.h" |
| |
| PAS_BEGIN_EXTERN_C; |
| |
| struct pas_commit_span; |
| struct pas_deferred_decommit_log; |
| struct pas_page_base; |
| struct pas_page_base_config; |
| typedef struct pas_commit_span pas_commit_span; |
| typedef struct pas_deferred_decommit_log pas_deferred_decommit_log; |
| typedef struct pas_page_base pas_page_base; |
| typedef struct pas_page_base_config pas_page_base_config; |
| |
| struct pas_commit_span { |
| uintptr_t index_of_start_of_span; |
| bool did_add_first; |
| size_t total_bytes; |
| }; |
| |
| PAS_API void pas_commit_span_construct(pas_commit_span* span); |
| PAS_API void pas_commit_span_add_to_change(pas_commit_span* span, uintptr_t granule_index); |
| PAS_API void pas_commit_span_add_unchanged(pas_commit_span* span, |
| pas_page_base* page, |
| uintptr_t granule_index, |
| pas_page_base_config* config, |
| void (*commit_or_decommit)( |
| void* base, size_t size, void* arg), |
| void* arg); |
| PAS_API void pas_commit_span_add_unchanged_and_commit(pas_commit_span* span, |
| pas_page_base* page, |
| uintptr_t granule_index, |
| pas_page_base_config* config); |
| PAS_API void pas_commit_span_add_unchanged_and_decommit(pas_commit_span* span, |
| pas_page_base* page, |
| uintptr_t granule_index, |
| pas_deferred_decommit_log* log, |
| pas_lock* commit_lock, |
| pas_page_base_config* config, |
| pas_lock_hold_mode heap_lock_hold_mode); |
| |
| PAS_END_EXTERN_C; |
| |
| #endif /* PAS_COMMIT_SPAN_H */ |
| |
