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annotate src/event/ngx_event_posted.c @ 315:39b6f2df45c0

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nginx-0.0.3-2004-04-14-21:44:28 import
author Igor Sysoev <igor@sysoev.ru>
date Wed, 14 Apr 2004 17:44:28 +0000
parents 98f1a8028067
children 7b96b7f8a6af
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6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
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1
6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
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2 #include <ngx_config.h>
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3 #include <ngx_core.h>
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4 #include <ngx_event.h>
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6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
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7 ngx_thread_volatile ngx_event_t *ngx_posted_events;
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8 #if (NGX_THREADS)
6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
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9 ngx_mutex_t *ngx_posted_events_mutex;
6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
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10 #endif
6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
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13 void ngx_event_process_posted(ngx_cycle_t *cycle)
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14 {
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15 ngx_event_t *ev;
6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
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16
6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
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17 for ( ;; ) {
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19 ev = (ngx_event_t *) ngx_posted_events;
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21 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
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22 "posted event " PTR_FMT, ev);
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23
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24 if (ev == NULL) {
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25 return;
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26 }
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6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
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28 ngx_posted_events = ev->next;
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29
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30 if (ev->accept) {
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31 continue;
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32 }
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33
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34 if ((!ev->posted && !ev->active)
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35 || (ev->use_instance && ev->instance != ev->returned_instance))
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36 {
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37 /*
6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
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38 * the stale event from a file descriptor
6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
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39 * that was just closed in this iteration
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40 */
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41
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42 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
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43 "stale posted event " PTR_FMT, ev);
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44 continue;
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45 }
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46
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47 if (ev->posted) {
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48 ev->posted = 0;
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49 }
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50
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51 ev->event_handler(ev);
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52 }
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53 }
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56 #if (NGX_THREADS)
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58 void ngx_event_thread_handler(ngx_event_t *ev)
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59 {
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60 if ((!ev->posted && !ev->active)
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61 || (ev->use_instance && ev->instance != ev->returned_instance))
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62 {
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63 /*
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64 * the stale event from a file descriptor
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65 * that was just closed in this iteration
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66 */
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67
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68 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, ev->log, 0,
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69 "kevent: stale event " PTR_FMT, ev);
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70 return;
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71 }
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72
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73 if (ev->posted) {
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74 ev->posted = 0;
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75 }
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76
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77 ev->event_handler(ev);
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78 }
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79
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80 #endif