annotate src/event/ngx_event_mutex.c @ 509:9b8c906f6e63 release-0.1.29

nginx-0.1.29-RELEASE import *) 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; the bug had 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 <igor@sysoev.ru>
date Thu, 12 May 2005 14:58:06 +0000
parents a88a3e4e158f
children d620f497c50f
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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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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) Igor Sysoev
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4 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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9 #include <ngx_event.h>
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12 ngx_int_t ngx_event_mutex_timedlock(ngx_event_mutex_t *m, ngx_msec_t timer,
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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13 ngx_event_t *ev)
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14 {
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15 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0,
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16 "lock event mutex %p lock:%XD", m, m->lock);
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d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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18 if (m->lock) {
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d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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20 if (m->events == NULL) {
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21 m->events = ev;
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23 } else {
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24 m->last->next = ev;
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25 }
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27 m->last = ev;
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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28 ev->next = NULL;
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29
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34329e143004 nginx-0.0.2-2004-03-01-19:45:48 import
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30 #if (NGX_THREADS0)
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31 ev->light = 1;
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32 #endif
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33
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34 ngx_add_timer(ev, timer);
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36 return NGX_AGAIN;
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37 }
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39 m->lock = 1;
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41 return NGX_OK;
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42 }
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45 ngx_int_t ngx_event_mutex_unlock(ngx_event_mutex_t *m, ngx_log_t *log)
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46 {
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47 ngx_event_t *ev;
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49 if (m->lock == 0) {
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50 ngx_log_error(NGX_LOG_ALERT, log, 0,
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51 "tring to unlock the free event mutex %p", m);
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52 return NGX_ERROR;
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53 }
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55 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, log, 0,
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56 "unlock event mutex %p, next event: %p", m, m->events);
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58 m->lock = 0;
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59
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60 if (m->events) {
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61 ev = m->events;
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62 m->events = ev->next;
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63
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64 ev->next = (ngx_event_t *) ngx_posted_events;
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65 ngx_posted_events = ev;
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66 }
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67
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68 return NGX_OK;
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69 }