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Maieul BOYER 2024-07-10 17:14:09 +02:00
parent d59364c35e
commit fc969750e4
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89
allocator/include/aq/melloc_interal.h
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@ -6,59 +6,80 @@
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/05/15 15:27:46 by maiboyer #+# #+# */
/* Updated: 2024/05/16 14:58:27 by maiboyer ### ########.fr */
/* Updated: 2024/07/10 16:55:59 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#ifndef MELLOC_INTERAL_H
#define MELLOC_INTERAL_H
# define MELLOC_INTERAL_H
#include "aq/allocator.h"
#include "me/types.h"
# include "aq/allocator.h"
# include "me/types.h"
#define PAGE_LIST_MAX 255
#define PAGE_POW_2 12
#define PAGE_ALIGN 3
# define PAGE_LIST_MAX 255
# define PAGE_POW_2 12
# define PAGE_ALIGN 3
typedef struct s_chunk
{
bool used : 1;
t_u64 size : 63;
} t_chunk;
bool used : 1;
t_u64 size : 63;
} t_chunk;
typedef struct s_page
{
t_usize size;
void *data;
} t_page;
t_usize size;
void *data;
} t_page;
typedef struct s_page_list
{
t_usize len;
t_page pages[PAGE_LIST_MAX];
struct s_page_list *next;
} t_page_list;
t_usize len;
t_page pages[PAGE_LIST_MAX];
struct s_page_list *next;
} t_page_list;
struct s_allocator_melloc
struct s_allocator_melloc
{
t_allocator_alloc alloc;
t_allocator_alloc_array alloc_array;
t_allocator_realloc realloc;
t_allocator_realloc_array realloc_array;
t_allocator_free free;
t_allocator_uninit uninit;
t_page_list *list;
t_allocator_alloc alloc;
t_allocator_alloc_array alloc_array;
t_allocator_realloc realloc;
t_allocator_realloc_array realloc_array;
t_allocator_free free;
t_allocator_uninit uninit;
t_page_list *list;
};
t_error alloc_page_list(t_page_list **out);
void *m_malloc(struct s_allocator_melloc *self, t_usize size);
void *m_alloc_array(struct s_allocator_melloc *self, \
t_usize size, t_usize count);
void *m_realloc(struct s_allocator_melloc *self, \
void *ptr, t_usize min_size);
void *m_realloc_array(struct s_allocator_melloc *self, \
void *ptr, t_usize size, t_usize count);
void m_free(struct s_allocator_melloc *self, void *ptr);
void m_uninit(struct s_allocator_melloc *self);
void *m_malloc(struct s_allocator_melloc *self, t_usize size);
void *m_alloc_array(struct s_allocator_melloc *self, t_usize size,
t_usize count);
void *m_realloc(struct s_allocator_melloc *self, void *ptr, t_usize min_size);
void *m_realloc_array(struct s_allocator_melloc *self, void *ptr, t_usize size,
t_usize count);
void m_free(struct s_allocator_melloc *self, void *ptr);
void m_uninit(struct s_allocator_melloc *self);
t_chunk *find_chunk_of_size(struct s_allocator_melloc *alloc, t_usize size);
t_chunk *get_first_block(t_page *page);
t_chunk *get_next_block(t_chunk *chunk, bool find_zero);
t_chunk *split_block(t_chunk *chunk, t_usize size);
void merge_blocks(t_page *page);
t_error alloc_page_list(t_page_list **out);
t_error alloc_new_page(struct s_allocator_melloc *alloc, t_usize page_size);
static inline t_usize round_to_pow2(t_usize val, t_usize pow)
{
pow = (1 << pow) - 1;
return ((val + pow) & (~pow));
}
static inline void *m_alloc_error(struct s_allocator_melloc *self, t_str msg)
{
self->uninit((void *)self);
me_abort(msg);
return (NULL);
}
#endif /* MELLOC_INTERAL_H */