annotate src/core/ngx_palloc.h @ 58:b55cbf18157e NGINX_0_1_29

nginx 0.1.29 *) Feature: the ngx_http_ssi_module supports "include virtual" command. *) Feature: the ngx_http_ssi_module supports the condition command like 'if expr="$NAME"' and "else" and "endif" commands. Only one nested level is supported. *) Feature: the ngx_http_ssi_module supports the DATE_LOCAL and DATE_GMT variables and "config timefmt" command. *) Feature: the "ssi_ignore_recycled_buffers" directive. *) Bugfix: the "echo" command did not show the default value for the empty QUERY_STRING variable. *) Change: the ngx_http_proxy_module was rewritten. *) Feature: the "proxy_redirect", "proxy_pass_request_headers", "proxy_pass_request_body", and "proxy_method" directives. *) Feature: the "proxy_set_header" directive. The "proxy_x_var" was canceled and must be replaced with the proxy_set_header directive. *) Change: the "proxy_preserve_host" is canceled and must be replaced with the "proxy_set_header Host $host" and the "proxy_redirect off" directives, the "proxy_set_header Host $host:$proxy_port" directive and the appropriate proxy_redirect directives. *) Change: the "proxy_set_x_real_ip" is canceled and must be replaced with the "proxy_set_header X-Real-IP $remote_addr" directive. *) Change: the "proxy_add_x_forwarded_for" is canceled and must be replaced with the "proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for" directive. *) Change: the "proxy_set_x_url" is canceled and must be replaced with the "proxy_set_header X-URL http://$host:$server_port$request_uri" directive. *) Feature: the "fastcgi_param" directive. *) Change: the "fastcgi_root", "fastcgi_set_var" and "fastcgi_params" directive are canceled and must be replaced with the fastcgi_param directives. *) Feature: the "index" directive can use the variables. *) Feature: the "index" directive can be used at http and server levels. *) Change: the last index only in the "index" directive can be absolute. *) Feature: the "rewrite" directive can use the variables. *) Feature: the "internal" directive. *) Feature: the CONTENT_LENGTH, CONTENT_TYPE, REMOTE_PORT, SERVER_ADDR, SERVER_PORT, SERVER_PROTOCOL, DOCUMENT_ROOT, SERVER_NAME, REQUEST_METHOD, REQUEST_URI, and REMOTE_USER variables. *) Change: nginx now passes the invalid lines in a client request headers or a backend response header. *) Bugfix: if the backend did not transfer response for a long time and the "send_timeout" was less than "proxy_read_timeout", then nginx returned the 408 response. *) Bugfix: the segmentation fault was occurred if the backend sent an invalid line in response header; bug appeared in 0.1.26. *) Bugfix: the segmentation fault may occurred in FastCGI fault tolerance configuration. *) Bugfix: the "expires" directive did not remove the previous "Expires" and "Cache-Control" headers. *) Bugfix: nginx did not take into account trailing dot in "Host" header line. *) Bugfix: the ngx_http_auth_module did not work under Linux. *) Bugfix: the rewrite directive worked incorrectly, if the arguments were in a request. *) Bugfix: nginx could not be built on MacOS X.
author Igor Sysoev <http://sysoev.ru>
date Thu, 12 May 2005 00:00:00 +0400
parents 3050baa54a26
children 408f195b3482
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2 /*
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3 * Copyright (C) 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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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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25 typedef void (*ngx_pool_cleanup_pt)(void *data);
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27 typedef struct ngx_pool_cleanup_s ngx_pool_cleanup_t;
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29 struct ngx_pool_cleanup_s {
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30 ngx_pool_cleanup_pt handler;
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31 void *data;
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32 ngx_pool_cleanup_t *next;
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33 };
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36 typedef struct ngx_pool_large_s ngx_pool_large_t;
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38 struct ngx_pool_large_s {
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39 ngx_pool_large_t *next;
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40 void *alloc;
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41 };
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44 struct ngx_pool_s {
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45 u_char *last;
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46 u_char *end;
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47 ngx_chain_t *chain;
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48 ngx_pool_t *next;
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49 ngx_pool_large_t *large;
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50 ngx_pool_cleanup_t *cleanup;
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51 ngx_log_t *log;
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52 };
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55 typedef struct {
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56 ngx_fd_t fd;
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57 u_char *name;
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58 ngx_log_t *log;
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59 } ngx_pool_cleanup_file_t;
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63 void *ngx_alloc(size_t size, ngx_log_t *log);
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64 void *ngx_calloc(size_t size, ngx_log_t *log);
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66 ngx_pool_t *ngx_create_pool(size_t size, ngx_log_t *log);
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67 void ngx_destroy_pool(ngx_pool_t *pool);
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69 void *ngx_palloc(ngx_pool_t *pool, size_t size);
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70 void *ngx_pcalloc(ngx_pool_t *pool, size_t size);
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71 ngx_int_t ngx_pfree(ngx_pool_t *pool, void *p);
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74 ngx_pool_cleanup_t *ngx_pool_cleanup_add(ngx_pool_t *p,
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75 ngx_pool_cleanup_pt handler, void *data);
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76 void ngx_pool_cleanup_file(void *data);
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79 #endif /* _NGX_PALLOC_H_INCLUDED_ */