annotate src/event/ngx_event_busy_lock.h @ 72:b31656313b59 NGINX_0_1_36

nginx 0.1.36 *) Change: if the request header has duplicate the "Host", "Connection", "Content-Length", or "Authorization" lines, then nginx now returns the 400 error. *) Change: the "post_accept_timeout" directive was canceled. *) Feature: the "default", "af=", "bl=", "deferred", and "bind" parameters of the "listen" directive. *) Feature: the FreeBSD accept filters support. *) Feature: the Linux TCP_DEFER_ACCEPT support. *) Bugfix: the ngx_http_autoindex_module did not support the file names in UTF-8. *) Bugfix: the new log file can be rotated by the -USR1 signal only if the reconfiguration by the -HUP signal was made twice.
author Igor Sysoev <http://sysoev.ru>
date Wed, 15 Jun 2005 00:00:00 +0400
parents f0b350454894
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_EVENT_BUSY_LOCK_H_INCLUDED_
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8 #define _NGX_EVENT_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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15 typedef struct ngx_event_busy_lock_ctx_s ngx_event_busy_lock_ctx_t;
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17 struct ngx_event_busy_lock_ctx_s {
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18 ngx_event_t *event;
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19 ngx_event_handler_pt handler;
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20 void *data;
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21 ngx_msec_t timer;
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23 unsigned locked:1;
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24 unsigned waiting:1;
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25 unsigned cache_updated:1;
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27 char *md5;
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28 ngx_int_t slot;
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30 ngx_event_busy_lock_ctx_t *next;
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31 };
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34 typedef struct {
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35 u_char *md5_mask;
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36 char *md5;
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37 ngx_uint_t cachable;
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39 ngx_uint_t busy;
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40 ngx_uint_t max_busy;
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42 ngx_uint_t waiting;
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43 ngx_uint_t max_waiting;
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45 ngx_event_busy_lock_ctx_t *events;
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46 ngx_event_busy_lock_ctx_t *last;
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47
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48 #if (NGX_THREADS)
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49 ngx_mutex_t *mutex;
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50 #endif
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51 } ngx_event_busy_lock_t;
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54 ngx_int_t ngx_event_busy_lock(ngx_event_busy_lock_t *bl,
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55 ngx_event_busy_lock_ctx_t *ctx);
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56 ngx_int_t ngx_event_busy_lock_cachable(ngx_event_busy_lock_t *bl,
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57 ngx_event_busy_lock_ctx_t *ctx);
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58 ngx_int_t ngx_event_busy_unlock(ngx_event_busy_lock_t *bl,
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59 ngx_event_busy_lock_ctx_t *ctx);
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60 ngx_int_t ngx_event_busy_lock_cancel(ngx_event_busy_lock_t *bl,
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61 ngx_event_busy_lock_ctx_t *ctx);
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64 #endif /* _NGX_EVENT_BUSY_LOCK_H_INCLUDED_ */