50 lines
1.7 KiB
C
50 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: 2024/05/14 16:12:54 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 "aq/alloc.h"
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#include "me/types.h"
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#include <stdalign.h>
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#define PAGE_SIZE_DEFAULT 4096
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#define BLOCK_PADDING "\xFE\xDC\xAB\xC0\xFE\xEE\x66"
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#define POOL_ADDR (void *)0xDeadBeef
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typedef struct s_mblock
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{
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struct s_mblock *next;
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struct s_mpage *page;
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t_usize size;
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bool used;
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t_u8 padding[7];
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} t_mblock;
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typedef struct s_mpage
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{
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t_usize page_size;
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t_mblock *first;
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struct s_mpage *next;
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} t_mpage;
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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_mpage *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_mpage **out);
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t_mblock *get_block_for_size(t_usize size);
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void print_pages_info(void);
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bool merge_block(t_mblock *self, t_usize min_size);
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#endif /* ALLOC_INTERNAL_H */
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