annotate src/event/ngx_event_mutex.c @ 543:511a89da35ad release-0.2.0

nginx-0.2.0-RELEASE import *) The pid-file names used during online upgrade was changed and now is not required a manual rename operation. The old master process adds the ".oldbin" suffix to its pid-file and executes a new binary file. The new master process creates usual pid-file without the ".newbin" suffix. If the master process exits, then old master process renames back its pid-file with the ".oldbin" suffix to the pid-file without suffix. *) Change: the "worker_connections" directive, new name of the "connections" directive; now the directive specifies maximum number of connections, but not maximum socket descriptor number. *) Feature: SSL supports the session cache inside one worker process. *) Feature: the "satisfy_any" directive. *) Change: the ngx_http_access_module and ngx_http_auth_basic_module do not run for subrequests. *) Feature: the "worker_rlimit_nofile" and "worker_rlimit_sigpending" directives. *) Bugfix: if all backend using in load-balancing failed after one error, then nginx did not try do connect to them during 60 seconds. *) Bugfix: in IMAP/POP3 command argument parsing. Thanks to Rob Mueller. *) Bugfix: errors while using SSL in IMAP/POP3 proxy. *) Bugfix: errors while using SSI and gzipping. *) Bugfix: the "Expires" and "Cache-Control" header lines were omitted from the 304 responses. Thanks to Alexandr Kukushkin.
author Igor Sysoev <igor@sysoev.ru>
date Fri, 23 Sep 2005 11:02:22 +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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d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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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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d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 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) {
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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21 m->events = ev;
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22
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23 } else {
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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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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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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d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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45 ngx_int_t ngx_event_mutex_unlock(ngx_event_mutex_t *m, ngx_log_t *log)
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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46 {
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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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
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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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 }