annotate src/event/ngx_event_mutex.c @ 485:4ebe09b07e30 release-0.1.17

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.
author Igor Sysoev <igor@sysoev.ru>
date Thu, 03 Feb 2005 19:33:37 +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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2 /*
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42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
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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>
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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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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d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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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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d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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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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22
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23 } else {
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24 m->last->next = ev;
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25 }
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26
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27 m->last = ev;
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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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d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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36 return NGX_AGAIN;
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37 }
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38
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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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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48
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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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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54
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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 }