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comparison src/core/ngx_palloc.h @ 346:55e496a8ece3

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nginx-0.0.3-2004-06-06-23:49:18 import
author Igor Sysoev <igor@sysoev.ru>
date Sun, 06 Jun 2004 19:49:18 +0000
parents src/core/ngx_alloc.h@8dee38ea9117
children eaf1f651cf86
comparison
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345:fade4edd61f8 346:55e496a8ece3
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_ */