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annotate src/core/ngx_palloc.h @ 441:da8c5707af39

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nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
author Igor Sysoev <igor@sysoev.ru>
date Tue, 28 Sep 2004 08:34:51 +0000
parents 9549fc9508e5
children 42d11f017717
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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2 /*
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3 * Copyright (C) 2002-2004 Igor Sysoev
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4 */
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7 #ifndef _NGX_PALLOC_H_INCLUDED_
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8 #define _NGX_PALLOC_H_INCLUDED_
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11 #include <ngx_config.h>
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12 #include <ngx_core.h>
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15 /*
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16 * NGX_MAX_ALLOC_FROM_POOL should be (ngx_page_size - 1), i.e. 4095 on x86.
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17 * On FreeBSD 5.x it allows to use the zero copy sending.
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8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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18 * On Windows NT it decreases a number of locked pages in a kernel.
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19 */
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20 #define NGX_MAX_ALLOC_FROM_POOL (ngx_pagesize - 1)
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22 #define NGX_DEFAULT_POOL_SIZE (16 * 1024)
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24 #define ngx_test_null(p, alloc, rc) if ((p = alloc) == NULL) { return rc; }
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27 typedef struct ngx_pool_large_s ngx_pool_large_t;
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29 struct ngx_pool_large_s {
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30 ngx_pool_large_t *next;
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31 void *alloc;
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32 };
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35 struct ngx_pool_s {
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36 char *last;
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37 char *end;
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38 ngx_pool_t *next;
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39 ngx_pool_large_t *large;
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40 ngx_log_t *log;
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41 };
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44 void *ngx_alloc(size_t size, ngx_log_t *log);
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45 void *ngx_calloc(size_t size, ngx_log_t *log);
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47 ngx_pool_t *ngx_create_pool(size_t size, ngx_log_t *log);
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48 void ngx_destroy_pool(ngx_pool_t *pool);
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50 void *ngx_palloc(ngx_pool_t *pool, size_t size);
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51 void *ngx_pcalloc(ngx_pool_t *pool, size_t size);
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52 ngx_int_t ngx_pfree(ngx_pool_t *pool, void *p);
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55 #endif /* _NGX_PALLOC_H_INCLUDED_ */