57 lines
1.2 KiB
C
57 lines
1.2 KiB
C
/*
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* This software is licensed under the terms of the MIT License.
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* See COPYING for further information.
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* ---
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* Copyright (c) 2011-2019, Lukas Weber <laochailan@web.de>.
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* Copyright (c) 2012-2019, Andrei Alexeyev <akari@taisei-project.org>.
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*/
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#pragma once
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#include "taisei.h"
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#include "list.h"
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typedef struct MemArena MemArena;
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typedef struct MemArenaPage MemArenaPage;
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struct MemArena {
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LIST_ANCHOR(MemArenaPage) pages;
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size_t page_offset;
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size_t total_used;
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size_t total_allocated;
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};
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struct MemArenaPage {
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LIST_INTERFACE(MemArenaPage);
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MemArena *arena;
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size_t size;
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alignas(alignof(max_align_t)) char data[];
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};
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void marena_init(MemArena *arena, size_t min_size)
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attr_nonnull_all;
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void marena_deinit(MemArena *arena)
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attr_nonnull_all;
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void marena_reset(MemArena *arena)
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attr_nonnull_all;
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void *marena_alloc(MemArena *arena, size_t size)
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attr_alloc_size(2)
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attr_malloc
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attr_returns_allocated
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attr_nonnull_all;
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void *marena_alloc_array(MemArena *arena, size_t num_members, size_t size)
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attr_alloc_size(2, 3)
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attr_malloc
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attr_returns_allocated
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attr_nonnull_all;
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void *marena_alloc_aligned(MemArena *arena, size_t size, size_t alignment)
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attr_alloc_size(2)
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attr_alloc_align(3)
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attr_malloc
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attr_returns_allocated
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attr_nonnull_all;
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