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comparison src/core/ngx_slab.h @ 860:201d017ea470

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slab allocator in shared memory
author Igor Sysoev <igor@sysoev.ru>
date Mon, 20 Nov 2006 08:51:45 +0000
parents 42d11f017717
children 715336c243e1
comparison
equal deleted inserted replaced
859:d1e8c59a50ee 860:201d017ea470
10 10
11 #include <ngx_config.h> 11 #include <ngx_config.h>
12 #include <ngx_core.h> 12 #include <ngx_core.h>
13 13
14 14
15 typedef struct ngx_free_slab_s ngx_free_slab_t; 15 typedef struct ngx_slab_page_s ngx_slab_page_t;
16 16
17 typedef struct ngx_free_slab_s { 17 struct ngx_slab_page_s {
18 ngx_free_slab_t *next; 18 uintptr_t slab;
19 } 19 ngx_slab_page_t *next;
20 20 uintptr_t prev;
21
22 typedef struct ngx_slab_block_s ngx_slab_block_t;
23
24 typedef struct ngx_slab_block_s {
25 ngx_free_slab_t *free;
26 ngx_slab_buf_t *next;
27 size_t color;
28 }; 21 };
29 22
30 23
31 typedef struct { 24 typedef struct {
32 ngx_slab_buf_t *blocks; 25 ngx_atomic_t lock;
33 size_t size;
34 26
35 void *start; 27 size_t min_size;
36 uint32_t map; 28 size_t min_shift;
37 29
38 ngx_log_t *log; 30 ngx_slab_page_t *pages;
39 ngx_free_pool_t free; 31 ngx_slab_page_t free;
32
33 u_char *start;
34 u_char *end;
35
36 ngx_shmtx_t mutex;
40 } ngx_slab_pool_t; 37 } ngx_slab_pool_t;
41 38
42 39
40 void ngx_slab_init(ngx_slab_pool_t *pool);
41 void *ngx_slab_alloc(ngx_slab_pool_t *pool, size_t size);
42 void ngx_slab_free(ngx_slab_pool_t *pool, void *p);
43
44
43 #endif /* _NGX_SLAB_H_INCLUDED_ */ 45 #endif /* _NGX_SLAB_H_INCLUDED_ */