nginx/src/core/ngx_core.h


/*
 * Copyright (C) Igor Sysoev
 */


#ifndef _NGX_CORE_H_INCLUDED_
#define _NGX_CORE_H_INCLUDED_


typedef struct ngx_module_s      ngx_module_t;
typedef struct ngx_conf_s        ngx_conf_t;
typedef struct ngx_cycle_s       ngx_cycle_t;
typedef struct ngx_pool_s        ngx_pool_t;
typedef struct ngx_chain_s       ngx_chain_t;
typedef struct ngx_log_s         ngx_log_t;
typedef struct ngx_array_s       ngx_array_t;
typedef struct ngx_open_file_s   ngx_open_file_t;
typedef struct ngx_command_s     ngx_command_t;
typedef struct ngx_file_s        ngx_file_t;
typedef struct ngx_event_s       ngx_event_t;
typedef struct ngx_peers_s       ngx_peers_t;
typedef struct ngx_connection_s  ngx_connection_t;

typedef void (*ngx_event_handler_pt)(ngx_event_t *ev);
typedef void (*ngx_connection_handler_pt)(ngx_connection_t *c);


#define  NGX_OK          0
#define  NGX_ERROR      -1
#define  NGX_AGAIN      -2
#define  NGX_BUSY       -3
#define  NGX_DONE       -4
#define  NGX_DECLINED   -5
#define  NGX_ABORT      -6


#include <ngx_errno.h>
#include <ngx_atomic.h>
#include <ngx_thread.h>
#include <ngx_rbtree.h>
#include <ngx_time.h>
#include <ngx_socket.h>
#include <ngx_types.h>
#include <ngx_shmem.h>
#include <ngx_process.h>
#include <ngx_user.h>
#include <ngx_string.h>
#include <ngx_parse.h>
#include <ngx_log.h>
#include <ngx_alloc.h>
#include <ngx_palloc.h>
#include <ngx_buf.h>
#include <ngx_array.h>
#include <ngx_list.h>
#include <ngx_hash.h>
#include <ngx_file.h>
#include <ngx_files.h>
#include <ngx_crc.h>
#include <ngx_crc32.h>
#if (NGX_PCRE)
#include <ngx_regex.h>
#endif
#include <ngx_radix_tree.h>
#include <ngx_times.h>
#include <ngx_shmtx.h>
#if (NGX_OPENSSL)
#include <ngx_event_openssl.h>
#endif
#include <ngx_inet.h>
#if (NGX_HAVE_UNIX_DOMAIN)
#include <ngx_unix_domain.h>
#endif
#include <ngx_cycle.h>
#include <ngx_process_cycle.h>
#include <ngx_conf_file.h>
#include <ngx_os.h>
#include <ngx_connection.h>


#define LF     (u_char) 10
#define CR     (u_char) 13
#define CRLF   "\x0d\x0a"


#define ngx_abs(value)   (((value) >= 0) ? (value) : - (value))

void ngx_cpuinfo(void);


#endif /* _NGX_CORE_H_INCLUDED_ */
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files 2004-09-28 16:34:51 +08:00
			`/*`
nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright 2004-09-30 00:00:49 +08:00			`* Copyright (C) Igor Sysoev`
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files 2004-09-28 16:34:51 +08:00			`*/`


nginx-0.0.1-2002-08-22-19:24:03 import 2002-08-22 23:24:03 +08:00			`#ifndef _NGX_CORE_H_INCLUDED_`
			`#define _NGX_CORE_H_INCLUDED_`


nginx-0.0.1-2003-06-03-19:42:58 import 2003-06-03 23:42:58 +08:00			`typedef struct ngx_module_s ngx_module_t;`
			`typedef struct ngx_conf_s ngx_conf_t;`
nginx-0.0.1-2003-07-02-18:41:17 import 2003-07-02 22:41:17 +08:00			`typedef struct ngx_cycle_s ngx_cycle_t;`
nginx-0.0.7-2004-06-15-11:55:11 import 2004-06-15 15:55:11 +08:00			`typedef struct ngx_pool_s ngx_pool_t;`
nginx-0.3.10-RELEASE import ) Change: the "valid_referers" directive and the "$invalid_referer" variable were moved to the new ngx_http_referer_module from the ngx_http_rewrite_module. ) Change: the "$apache_bytes_sent" variable name was changed to "$body_bytes_sent". ) Feature: the "$sent_http_..." variables. ) Feature: the "if" directive supports the "=" and "!=" operations. ) Feature: the "proxy_pass" directive supports the HTTPS protocol. ) Feature: the "proxy_set_body" directive. ) Feature: the "post_action" directive. ) Feature: the ngx_http_empty_gif_module. ) Feature: the "worker_cpu_affinity" directive for Linux. ) Bugfix: the "rewrite" directive did not unescape URI part in redirect, now it is unescaped except the %00-%25 and %7F-%FF characters. ) Bugfix: nginx could not be built by the icc 9.0 compiler. ) Bugfix: if the SSI was enabled for zero size static file, then the chunked response was encoded incorrectly. 2005-11-15 21:30:52 +08:00			`typedef struct ngx_chain_s ngx_chain_t;`
nginx-0.0.1-2003-11-19-19:26:41 import 2003-11-20 00:26:41 +08:00			`typedef struct ngx_log_s ngx_log_t;`
nginx-0.0.1-2003-12-08-23:48:12 import 2003-12-09 04:48:12 +08:00			`typedef struct ngx_array_s ngx_array_t;`
nginx-0.0.1-2003-07-02-18:41:17 import 2003-07-02 22:41:17 +08:00			`typedef struct ngx_open_file_s ngx_open_file_t;`
nginx-0.0.1-2003-06-03-19:42:58 import 2003-06-03 23:42:58 +08:00			`typedef struct ngx_command_s ngx_command_t;`
			`typedef struct ngx_file_s ngx_file_t;`
nginx-0.0.1-2003-05-20-19:37:55 import 2003-05-20 23:37:55 +08:00			`typedef struct ngx_event_s ngx_event_t;`
nginx-0.1.14-RELEASE import ) Feature: the autoconfiguration directives: --http-client-body-temp-path=PATH, --http-proxy-temp-path=PATH, and --http-fastcgi-temp-path=PATH ) Change: the directory name for the temporary files with the client request body is specified by directive client_body_temp_path, by default it is <prefix>/client_body_temp. ) Feature: the ngx_http_fastcgi_module and the directives: fastcgi_pass, fastcgi_root, fastcgi_index, fastcgi_params, fastcgi_connect_timeout, fastcgi_send_timeout, fastcgi_read_timeout, fastcgi_send_lowat, fastcgi_header_buffer_size, fastcgi_buffers, fastcgi_busy_buffers_size, fastcgi_temp_path, fastcgi_max_temp_file_size, fastcgi_temp_file_write_size, fastcgi_next_upstream, and fastcgi_x_powered_by. ) Bugfix: the "[alert] zero size buf" error; the bug had appeared in 0.1.3. ) Change: the URI must be specified after the host name in the proxy_pass directive. ) Change: the %3F symbol in the URI was considered as the argument string start. ) Feature: the unix domain sockets support in the ngx_http_proxy_module. ) Feature: the ssl_engine and ssl_ciphers directives. Thanks to Sergey Skvortsov for SSL-accelerator. 2005-01-18 21:03:58 +08:00			`typedef struct ngx_peers_s ngx_peers_t;`
nginx-0.0.1-2003-06-03-19:42:58 import 2003-06-03 23:42:58 +08:00			`typedef struct ngx_connection_s ngx_connection_t;`
nginx-0.0.1-2003-05-19-20:39:14 import 2003-05-20 00:39:14 +08:00
nginx-0.0.7-2004-07-16-21:11:43 import 2004-07-17 01:11:43 +08:00			`typedef void (ngx_event_handler_pt)(ngx_event_t ev);`
nginx-0.2.2-RELEASE import ) Feature: the "config errmsg" command of the ngx_http_ssi_module. ) Change: the ngx_http_geo_module variables can be overridden by the "set" directive. ) Feature: the "ssl_protocols" and "ssl_prefer_server_ciphers" directives of the ngx_http_ssl_module and ngx_imap_ssl_module. ) Bugfix: the ngx_http_autoindex_module did not show correctly the long file names; ) Bugfix: the ngx_http_autoindex_module now do not show the files starting by dot. ) Bugfix: if the SSL handshake failed then another connection may be closed too. Thanks to Rob Mueller. *) Bugfix: the export versions of MSIE 5.x could not connect via HTTPS. 2005-09-30 22:41:25 +08:00			`typedef void (ngx_connection_handler_pt)(ngx_connection_t c);`
nginx-0.0.7-2004-07-16-21:11:43 import 2004-07-17 01:11:43 +08:00
nginx-0.0.1-2003-11-17-00:49:42 import 2003-11-17 05:49:42 +08:00
nginx-0.0.7-2004-06-27-22:01:57 import 2004-06-28 02:01:57 +08:00			`#define NGX_OK 0`
			`#define NGX_ERROR -1`
			`#define NGX_AGAIN -2`
			`#define NGX_BUSY -3`
			`#define NGX_DONE -4`
			`#define NGX_DECLINED -5`
			`#define NGX_ABORT -6`


nginx-0.3.1-RELEASE import ) Bugfix: the segmentation fault occurred when the signal queue overflowed if the "rtsig" method was used; the bug had appeared in 0.2.0. ) Change: correct handling of the "\\", "\"", "\'", and "\$" pairs in SSI. 2005-10-10 20:59:41 +08:00			`#include <ngx_errno.h>`
nginx-0.0.1-2003-12-19-11:15:11 import 2003-12-19 16:15:11 +08:00			`#include <ngx_atomic.h>`
nginx-0.3.1-RELEASE import ) Bugfix: the segmentation fault occurred when the signal queue overflowed if the "rtsig" method was used; the bug had appeared in 0.2.0. ) Change: correct handling of the "\\", "\"", "\'", and "\$" pairs in SSI. 2005-10-10 20:59:41 +08:00			`#include <ngx_thread.h>`
nginx-0.3.0-RELEASE import *) Change: the 10-days live time limit of worker process was eliminated. The limit was introduced because of millisecond timers overflow. 2005-10-07 21:30:52 +08:00			`#include <ngx_rbtree.h>`
nginx-0.0.1-2003-11-17-00:49:42 import 2003-11-17 05:49:42 +08:00			`#include <ngx_time.h>`
			`#include <ngx_socket.h>`
nginx-0.0.7-2004-06-23-09:54:27 import 2004-06-23 13:54:27 +08:00			`#include <ngx_types.h>`
nginx-0.3.24-RELEASE import ) Workaround: for bug in FreeBSD kqueue. ) Bugfix: now a response generated by the "post_action" directive is not transferred to a client. ) Bugfix: the memory leaks were occurring if many log files were used. ) Bugfix: the first "proxy_redirect" directive was working inside one location. *) Bugfix: on 64-bit platforms segmentation fault may occurred on start if the many names were used in the "server_name" directives; the bug had appeared in 0.3.18. 2006-02-02 02:22:15 +08:00			`#include <ngx_shmem.h>`
nginx-0.0.1-2003-11-17-00:49:42 import 2003-11-17 05:49:42 +08:00			`#include <ngx_process.h>`
nginx-0.0.2-2004-03-04-10:04:55 import 2004-03-04 15:04:55 +08:00			`#include <ngx_user.h>`
nginx-0.0.1-2003-07-10-20:26:57 import 2003-07-11 00:26:57 +08:00			`#include <ngx_string.h>`
nginx-0.0.1-2003-10-23-19:54:19 import 2003-10-23 23:54:19 +08:00			`#include <ngx_parse.h>`
nginx-0.0.1-2003-05-19-20:39:14 import 2003-05-20 00:39:14 +08:00			`#include <ngx_log.h>`
			`#include <ngx_alloc.h>`
nginx-0.0.3-2004-06-06-23:49:18 import 2004-06-07 03:49:18 +08:00			`#include <ngx_palloc.h>`
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t 2004-05-28 23:49:23 +08:00			`#include <ngx_buf.h>`
nginx-0.0.1-2003-05-19-20:39:14 import 2003-05-20 00:39:14 +08:00			`#include <ngx_array.h>`
nginx-0.0.10-2004-09-03-19:50:30 import 2004-09-03 23:50:30 +08:00			`#include <ngx_list.h>`
nginx-0.1.28-RELEASE import ) Bugfix: nginx hogs CPU while proxying the huge files. ) Bugfix: nginx could not be built by gcc 4.0 on Linux. 2005-04-08 23:18:55 +08:00			`#include <ngx_hash.h>`
nginx-0.0.1-2003-05-19-20:39:14 import 2003-05-20 00:39:14 +08:00			`#include <ngx_file.h>`
nginx-0.0.1-2003-06-03-19:42:58 import 2003-06-03 23:42:58 +08:00			`#include <ngx_files.h>`
nginx-0.0.1-2003-11-30-23:03:18 import 2003-12-01 04:03:18 +08:00			`#include <ngx_crc.h>`
ngx_crc32() 2006-10-19 03:00:21 +08:00			`#include <ngx_crc32.h>`
nginx-0.1.2-RELEASE import ) Feature: the --user=USER, --group=GROUP, and --with-ld-opt=OPTIONS options in configure. ) Feature: the server_name directive supports .domain.tld. ) Bugfix: the portability improvements. ) Bugfix: if configuration file was set in command line, the reconfiguration was impossible; the bug had appeared in 0.1.1. ) Bugfix: proxy module may get caught in an endless loop when sendfile is not used. ) Bugfix: with sendfile the response was not recoded according to the charset module directives; the bug had appeared in 0.1.1. ) Bugfix: very seldom bug in the kqueue processing. *) Bugfix: the gzip module compressed the proxied responses that was already compressed. 2004-10-21 23:34:38 +08:00			`#if (NGX_PCRE)`
nginx-0.0.1-2003-11-25-23:44:56 import 2003-11-26 04:44:56 +08:00			`#include <ngx_regex.h>`
nginx-0.0.1-2003-12-19-11:15:11 import 2003-12-19 16:15:11 +08:00			`#endif`
nginx-0.1.17-RELEASE import ) Change: the ngx_http_rewrite_module was rewritten from the scratch. Now it is possible to redirect, to return the error codes, to check the variables and referrers. The directives can be used inside locations. The redirect directive was canceled. ) Feature: the ngx_http_geo_module. ) Feature: the proxy_set_x_var and fastcgi_set_var directives. ) Bugfix: the location configuration with "=" modifier may be used in another location. ) Bugfix: the correct content type was set only for requests that use small caps letters in extension. ) Bugfix: if the proxy_pass or fastcgi_pass directives were set in the location, and access was denied, and the error was redirected to a static page, then the segmentation fault occurred. ) Bugfix: if in a proxied "Location" header was a relative URL, then a host name and a slash were added to them; the bug had appeared in 0.1.14. ) Bugfix: the system error message was not logged on Linux. 2005-02-04 03:33:37 +08:00			`#include <ngx_radix_tree.h>`
nginx-0.0.1-2003-11-11-00:09:22 import 2003-11-11 05:09:22 +08:00			`#include <ngx_times.h>`
nginx-0.3.27-RELEASE import ) Change: the "variables_hash_max_size" and "variables_hash_bucket_size" directives. ) Feature: the $body_bytes_sent variable can be used not only in the "log_format" directive. ) Feature: the $ssl_protocol and $ssl_cipher variables. ) Feature: the cache line size detection for widespread CPUs at start time. ) Feature: now the "accept_mutex" directive is supported using fcntl(2) on platforms different from i386, amd64, sparc64, and ppc. ) Feature: the "lock_file" directive and the --with-lock-path=PATH autoconfiguration directive. *) Bugfix: if the HTTPS protocol was used in the "proxy_pass" directive then the requests with the body was not transferred. 2006-02-08 23:33:12 +08:00			`#include <ngx_shmtx.h>`
nginx-0.3.47-RELEASE import ) Feature: the "upstream" directive. ) Change: now the "\" escape symbol in the "\"" and "\'" pairs in the SSI command is always removed. 2006-05-23 22:54:58 +08:00			`#if (NGX_OPENSSL)`
			`#include <ngx_event_openssl.h>`
			`#endif`
nginx-0.0.1-2003-06-02-19:24:30 import 2003-06-02 23:24:30 +08:00			`#include <ngx_inet.h>`
nginx-0.1.14-RELEASE import ) Feature: the autoconfiguration directives: --http-client-body-temp-path=PATH, --http-proxy-temp-path=PATH, and --http-fastcgi-temp-path=PATH ) Change: the directory name for the temporary files with the client request body is specified by directive client_body_temp_path, by default it is <prefix>/client_body_temp. ) Feature: the ngx_http_fastcgi_module and the directives: fastcgi_pass, fastcgi_root, fastcgi_index, fastcgi_params, fastcgi_connect_timeout, fastcgi_send_timeout, fastcgi_read_timeout, fastcgi_send_lowat, fastcgi_header_buffer_size, fastcgi_buffers, fastcgi_busy_buffers_size, fastcgi_temp_path, fastcgi_max_temp_file_size, fastcgi_temp_file_write_size, fastcgi_next_upstream, and fastcgi_x_powered_by. ) Bugfix: the "[alert] zero size buf" error; the bug had appeared in 0.1.3. ) Change: the URI must be specified after the host name in the proxy_pass directive. ) Change: the %3F symbol in the URI was considered as the argument string start. ) Feature: the unix domain sockets support in the ngx_http_proxy_module. ) Feature: the ssl_engine and ssl_ciphers directives. Thanks to Sergey Skvortsov for SSL-accelerator. 2005-01-18 21:03:58 +08:00			`#if (NGX_HAVE_UNIX_DOMAIN)`
			`#include <ngx_unix_domain.h>`
			`#endif`
nginx-0.0.1-2004-01-05-23:55:48 import 2004-01-06 04:55:48 +08:00			`#include <ngx_cycle.h>`
nginx-0.0.2-2004-03-04-10:04:55 import 2004-03-04 15:04:55 +08:00			`#include <ngx_process_cycle.h>`
nginx-0.0.1-2003-05-19-20:39:14 import 2003-05-20 00:39:14 +08:00			`#include <ngx_conf_file.h>`
nginx-0.0.1-2003-11-13-19:16:33 import 2003-11-14 00:16:33 +08:00			`#include <ngx_os.h>`
nginx-0.0.1-2003-05-20-19:37:55 import 2003-05-20 23:37:55 +08:00			`#include <ngx_connection.h>`
nginx-0.0.1-2003-05-19-20:39:14 import 2003-05-20 00:39:14 +08:00

nginx-0.0.2-2004-03-16-10:10:12 import 2004-03-16 15:10:12 +08:00			`#define LF (u_char) 10`
			`#define CR (u_char) 13`
nginx-0.0.1-2003-05-21-17:28:21 import 2003-05-21 21:28:21 +08:00			`#define CRLF "\x0d\x0a"`


nginx-0.3.0-RELEASE import *) Change: the 10-days live time limit of worker process was eliminated. The limit was introduced because of millisecond timers overflow. 2005-10-07 21:30:52 +08:00			`#define ngx_abs(value) (((value) >= 0) ? (value) : - (value))`

nginx-0.3.27-RELEASE import ) Change: the "variables_hash_max_size" and "variables_hash_bucket_size" directives. ) Feature: the $body_bytes_sent variable can be used not only in the "log_format" directive. ) Feature: the $ssl_protocol and $ssl_cipher variables. ) Feature: the cache line size detection for widespread CPUs at start time. ) Feature: now the "accept_mutex" directive is supported using fcntl(2) on platforms different from i386, amd64, sparc64, and ppc. ) Feature: the "lock_file" directive and the --with-lock-path=PATH autoconfiguration directive. *) Bugfix: if the HTTPS protocol was used in the "proxy_pass" directive then the requests with the body was not transferred. 2006-02-08 23:33:12 +08:00			`void ngx_cpuinfo(void);`

nginx-0.3.0-RELEASE import *) Change: the 10-days live time limit of worker process was eliminated. The limit was introduced because of millisecond timers overflow. 2005-10-07 21:30:52 +08:00
nginx-0.0.1-2002-08-22-19:24:03 import 2002-08-22 23:24:03 +08:00			`#endif /* _NGX_CORE_H_INCLUDED_ */`