|
0
|
1
|
|
|
2 /*
|
|
|
3 * Copyright (C) Igor Sysoev
|
|
|
4 */
|
|
|
5
|
|
|
6
|
|
|
7 #ifndef _NGX_PALLOC_H_INCLUDED_
|
|
|
8 #define _NGX_PALLOC_H_INCLUDED_
|
|
|
9
|
|
|
10
|
|
|
11 #include <ngx_config.h>
|
|
|
12 #include <ngx_core.h>
|
|
|
13
|
|
|
14
|
|
|
15 /*
|
|
|
16 * NGX_MAX_ALLOC_FROM_POOL should be (ngx_page_size - 1), i.e. 4095 on x86.
|
|
|
17 * On FreeBSD 5.x it allows to use the zero copy sending.
|
|
|
18 * On Windows NT it decreases a number of locked pages in a kernel.
|
|
|
19 */
|
|
|
20 #define NGX_MAX_ALLOC_FROM_POOL (ngx_pagesize - 1)
|
|
|
21
|
|
|
22 #define NGX_DEFAULT_POOL_SIZE (16 * 1024)
|
|
|
23
|
|
|
24
|
|
|
25 typedef struct ngx_pool_large_s ngx_pool_large_t;
|
|
|
26
|
|
|
27 struct ngx_pool_large_s {
|
|
|
28 ngx_pool_large_t *next;
|
|
|
29 void *alloc;
|
|
|
30 };
|
|
|
31
|
|
|
32
|
|
|
33 struct ngx_pool_s {
|
|
34
|
34 u_char *last;
|
|
|
35 u_char *end;
|
|
56
|
36 ngx_chain_t *chain;
|
|
0
|
37 ngx_pool_t *next;
|
|
|
38 ngx_pool_large_t *large;
|
|
|
39 ngx_log_t *log;
|
|
|
40 };
|
|
|
41
|
|
|
42
|
|
|
43 void *ngx_alloc(size_t size, ngx_log_t *log);
|
|
|
44 void *ngx_calloc(size_t size, ngx_log_t *log);
|
|
|
45
|
|
|
46 ngx_pool_t *ngx_create_pool(size_t size, ngx_log_t *log);
|
|
|
47 void ngx_destroy_pool(ngx_pool_t *pool);
|
|
|
48
|
|
|
49 void *ngx_palloc(ngx_pool_t *pool, size_t size);
|
|
|
50 void *ngx_pcalloc(ngx_pool_t *pool, size_t size);
|
|
|
51 ngx_int_t ngx_pfree(ngx_pool_t *pool, void *p);
|
|
|
52
|
|
|
53
|
|
|
54 #endif /* _NGX_PALLOC_H_INCLUDED_ */
|
