Mercurial > hg > nginx-ranges

comparison src/core/ngx_palloc.h @ 0:f0b350454894 NGINX_0_1_0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
nginx 0.1.0 *) The first public version.
author Igor Sysoev <http://sysoev.ru>
date Mon, 04 Oct 2004 00:00:00 +0400
parents
children aab2ea7c0458
comparison
equal deleted inserted replaced
-1:000000000000 0:f0b350454894
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 #define ngx_test_null(p, alloc, rc) if ((p = alloc) == NULL) { return rc; }
25
26
27 typedef struct ngx_pool_large_s ngx_pool_large_t;
28
29 struct ngx_pool_large_s {
30 ngx_pool_large_t *next;
31 void *alloc;
32 };
33
34
35 struct ngx_pool_s {
36 char *last;
37 char *end;
38 ngx_pool_t *next;
39 ngx_pool_large_t *large;
40 ngx_log_t *log;
41 };
42
43
44 void *ngx_alloc(size_t size, ngx_log_t *log);
45 void *ngx_calloc(size_t size, ngx_log_t *log);
46
47 ngx_pool_t *ngx_create_pool(size_t size, ngx_log_t *log);
48 void ngx_destroy_pool(ngx_pool_t *pool);
49
50 void *ngx_palloc(ngx_pool_t *pool, size_t size);
51 void *ngx_pcalloc(ngx_pool_t *pool, size_t size);
52 ngx_int_t ngx_pfree(ngx_pool_t *pool, void *p);
53
54
55 #endif /* _NGX_PALLOC_H_INCLUDED_ */