47 lines
1.7 KiB
C
47 lines
1.7 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* alloc_internal.h :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/05/07 09:48:17 by maiboyer #+# #+# */
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/* Updated: 2024/05/08 19:15:05 by maiboyer ### ########.fr */
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/* */
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/* ************************************************************************** */
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#ifndef ALLOC_INTERNAL_H
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#define ALLOC_INTERNAL_H
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#include "me/alloc/alloc.h"
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#include "me/types.h"
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#include <stdalign.h>
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#define ARENA_SIZE_DEFAULT 4096 * 2 * 2
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typedef struct s_arena_block
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{
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t_usize size;
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bool end;
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bool used;
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t_u8 padding[6];
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} t_arena_block;
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typedef struct s_arena_page
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{
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t_usize page_size;
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struct s_arena_page *next;
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} t_arena_page;
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// Will never be null, as it will allocate a new arena if it needs to do so
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t_arena_page *get_head_arena(void);
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// Will return ERROR if it couldn't malloc the page
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t_error alloc_arena_page(t_usize min_size, t_arena_page **out);
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t_error get_block_for_page(t_usize size, t_arena_page *page,
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t_arena_block **out);
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void print_pages_info(void);
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t_arena_page *get_page_from_ptr(void *ptr);
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#endif /* ALLOC_INTERNAL_H */
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