Mercurial > hg > nginx-quic
comparison src/core/ngx_palloc.h @ 346:55e496a8ece3
nginx-0.0.3-2004-06-06-23:49:18 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Sun, 06 Jun 2004 19:49:18 +0000 |
parents | src/core/ngx_alloc.h@8dee38ea9117 |
children | eaf1f651cf86 |
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345:fade4edd61f8 | 346:55e496a8ece3 |
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1 #ifndef _NGX_PALLOC_H_INCLUDED_ | |
2 #define _NGX_PALLOC_H_INCLUDED_ | |
3 | |
4 | |
5 #include <ngx_config.h> | |
6 #include <ngx_core.h> | |
7 | |
8 | |
9 /* | |
10 * NGX_MAX_ALLOC_FROM_POOL should be (ngx_page_size - 1), i.e. 4095 on x86. | |
11 * On FreeBSD 5.x it allows to use zero copy send. | |
12 * On Windows NT it decreases a number of locked pages in a kernel. | |
13 */ | |
14 #define NGX_MAX_ALLOC_FROM_POOL (ngx_pagesize - 1) | |
15 | |
16 #define NGX_DEFAULT_POOL_SIZE (16 * 1024) | |
17 | |
18 #define ngx_test_null(p, alloc, rc) if ((p = alloc) == NULL) { return rc; } | |
19 | |
20 | |
21 typedef struct ngx_pool_large_s ngx_pool_large_t; | |
22 | |
23 struct ngx_pool_large_s { | |
24 ngx_pool_large_t *next; | |
25 void *alloc; | |
26 }; | |
27 | |
28 | |
29 typedef struct ngx_pool_s ngx_pool_t; | |
30 | |
31 struct ngx_pool_s { | |
32 char *last; | |
33 char *end; | |
34 ngx_pool_t *next; | |
35 ngx_pool_large_t *large; | |
36 ngx_log_t *log; | |
37 }; | |
38 | |
39 | |
40 void *ngx_alloc(size_t size, ngx_log_t *log); | |
41 void *ngx_calloc(size_t size, ngx_log_t *log); | |
42 | |
43 ngx_pool_t *ngx_create_pool(size_t size, ngx_log_t *log); | |
44 void ngx_destroy_pool(ngx_pool_t *pool); | |
45 | |
46 void *ngx_palloc(ngx_pool_t *pool, size_t size); | |
47 void *ngx_pcalloc(ngx_pool_t *pool, size_t size); | |
48 void ngx_pfree(ngx_pool_t *pool, void *p); | |
49 | |
50 | |
51 #endif /* _NGX_PALLOC_H_INCLUDED_ */ |