annotate src/http/ngx_http_busy_lock.h @ 384:09b703ae3ba5 NGINX_0_6_36

nginx 0.6.36 *) Change: now the "Invalid argument" error returned by setsockopt(TCP_NODELAY) on Solaris, is ignored. *) Change: now POSTs without "Content-Length" header line are allowed. *) Feature: the "try_files" directive. *) Feature: the --with-pcre option in the configure. *) Feature: the "if_modified_since" directive. *) Feature: the "$cookie_..." variables. *) Feature: the "$arg_..." variables. *) Bugfix: compatibility with Tru64 UNIX. Thanks to Dustin Marquess. *) Bugfix: a "ssl_engine" directive did not use a SSL-accelerator for asymmetric ciphers. Thanks to Marcin Gozdalik. *) Bugfix: in a redirect rewrite directive original arguments were concatenated with new arguments by a "?" rather than an "&"; the bug had appeared in 0.1.18. Thanks to Maxim Dounin. *) Bugfix: nginx could not be built on AIX. *) Bugfix: a double response might be returned if the epoll or rtsig methods are used and a redirect was returned to a request with body. Thanks to Eden Li. *) Bugfix: a segmentation fault might occur in worker process if "resolver" directive was used in SMTP proxy. *) Bugfix: fastcgi_store stored files not always. *) Bugfix: nginx did not process a FastCGI server response, if the server send too many messages to stderr before response.
author Igor Sysoev <http://sysoev.ru>
date Thu, 02 Apr 2009 00:00:00 +0400
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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_HTTP_BUSY_LOCK_H_INCLUDED_
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8 #define _NGX_HTTP_BUSY_LOCK_H_INCLUDED_
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11 #include <ngx_config.h>
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12 #include <ngx_core.h>
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13 #include <ngx_event.h>
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14 #include <ngx_http.h>
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17 typedef struct {
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18 u_char *md5_mask;
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19 char *md5;
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20 int cacheable;
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22 int busy;
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23 int max_busy;
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25 int waiting;
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26 int max_waiting;
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28 time_t timeout;
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30 ngx_event_mutex_t *mutex;
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31 } ngx_http_busy_lock_t;
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34 typedef struct {
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35 time_t time;
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36 ngx_event_t *event;
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37 void (*event_handler)(ngx_event_t *ev);
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38 u_char *md5;
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39 int slot;
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40 } ngx_http_busy_lock_ctx_t;
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43 int ngx_http_busy_lock(ngx_http_busy_lock_t *bl, ngx_http_busy_lock_ctx_t *bc);
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44 int ngx_http_busy_lock_cacheable(ngx_http_busy_lock_t *bl,
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45 ngx_http_busy_lock_ctx_t *bc, int lock);
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46 void ngx_http_busy_unlock(ngx_http_busy_lock_t *bl,
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47 ngx_http_busy_lock_ctx_t *bc);
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49 char *ngx_http_set_busy_lock_slot(ngx_conf_t *cf, ngx_command_t *cmd,
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50 void *conf);
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53 #endif /* _NGX_HTTP_BUSY_LOCK_H_INCLUDED_ */