Mercurial > hg > nginx-quic
annotate src/event/ngx_event_posted.c @ 374:213f17e9f776
nginx-0.0.7-2004-07-02-09:47:00 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Fri, 02 Jul 2004 05:47:00 +0000 |
parents | 018569a8f09c |
children | 744ccb59062d |
rev | line source |
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306
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nginx-0.0.3-2004-04-05-00:32:09 import
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1 |
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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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5 |
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6 |
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7 ngx_thread_volatile ngx_event_t *ngx_posted_events; |
370
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8 |
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9 #if (NGX_THREADS) |
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10 ngx_mutex_t *ngx_posted_events_mutex; |
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11 ngx_cond_t *ngx_posted_events_cv; |
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12 #endif |
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13 |
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14 |
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15 void ngx_event_process_posted(ngx_cycle_t *cycle) |
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16 { |
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17 ngx_event_t *ev; |
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18 |
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19 for ( ;; ) { |
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20 |
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21 ev = (ngx_event_t *) ngx_posted_events; |
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22 |
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23 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
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24 "posted event " PTR_FMT, ev); |
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25 |
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26 if (ev == NULL) { |
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27 return; |
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28 } |
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29 |
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30 ngx_posted_events = ev->next; |
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31 |
313
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32 if (ev->accept) { |
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33 continue; |
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34 } |
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35 |
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36 if ((!ev->posted && !ev->active) |
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37 || (ev->use_instance && ev->instance != ev->returned_instance)) |
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38 { |
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39 /* |
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40 * the stale event from a file descriptor |
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41 * that was just closed in this iteration |
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42 */ |
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43 |
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44 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
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45 "stale posted event " PTR_FMT, ev); |
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46 continue; |
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47 } |
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48 |
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49 if (ev->posted) { |
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50 ev->posted = 0; |
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51 } |
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52 |
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53 ev->event_handler(ev); |
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54 } |
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55 } |
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56 |
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57 |
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58 #if (NGX_THREADS) |
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59 |
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60 ngx_int_t ngx_event_thread_process_posted(ngx_cycle_t *cycle) |
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61 { |
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62 ngx_event_t *ev, **ep; |
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63 |
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64 for ( ;; ) { |
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65 |
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66 ev = (ngx_event_t *) ngx_posted_events; |
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67 ep = (ngx_event_t **) &ngx_posted_events; |
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68 |
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69 for ( ;; ) { |
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70 |
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71 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
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72 "posted event " PTR_FMT, ev); |
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73 |
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74 if (ev == NULL) { |
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75 ngx_mutex_unlock(ngx_posted_events_mutex); |
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76 return NGX_OK; |
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77 } |
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78 |
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79 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
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80 "posted event lock:%d " PTR_FMT, |
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81 *(ev->lock), ev->lock); |
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82 |
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83 if (ngx_trylock(ev->lock) == 0) { |
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84 |
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85 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
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86 "posted event " PTR_FMT " is busy", ev); |
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87 |
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88 ep = &ev->next; |
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89 ev = ev->next; |
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90 continue; |
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91 } |
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92 |
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93 *ep = ev->next; |
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94 |
370
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95 if ((!ev->posted && !ev->active) |
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96 || (ev->use_instance && ev->instance != ev->returned_instance)) |
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97 { |
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98 /* |
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99 * The stale event from a file descriptor that was just |
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100 * closed in this iteration. We use ngx_cycle->log |
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101 * because ev->log may be already destoyed. |
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102 */ |
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103 |
372
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104 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, ngx_cycle->log, 0, |
370
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|
105 "kevent: stale event " PTR_FMT, ev); |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
106 |
372
c9fdfccebc49
nginx-0.0.7-2004-06-29-01:03:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
371
diff
changeset
|
107 ngx_unlock(ev->lock); |
c9fdfccebc49
nginx-0.0.7-2004-06-29-01:03:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
371
diff
changeset
|
108 |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
109 ev = ev->next; |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
110 |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
111 continue; |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
112 } |
306
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
113 |
374
213f17e9f776
nginx-0.0.7-2004-07-02-09:47:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
114 ev->locked = 1; |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
115 |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
116 if (ev->posted) { |
374
213f17e9f776
nginx-0.0.7-2004-07-02-09:47:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
117 ev->ready = ev->posted_ready; |
213f17e9f776
nginx-0.0.7-2004-07-02-09:47:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
118 ev->timedout = ev->posted_timedout; |
213f17e9f776
nginx-0.0.7-2004-07-02-09:47:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
119 ev->available = ev->posted_available; |
213f17e9f776
nginx-0.0.7-2004-07-02-09:47:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
120 ev->kq_eof = ev->posted_eof; |
213f17e9f776
nginx-0.0.7-2004-07-02-09:47:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
121 #if (HAVE_KQUEUE) |
213f17e9f776
nginx-0.0.7-2004-07-02-09:47:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
122 ev->kq_errno = ev->posted_errno; |
213f17e9f776
nginx-0.0.7-2004-07-02-09:47:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
123 #endif |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
124 ev->posted = 0; |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
125 } |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
126 |
374
213f17e9f776
nginx-0.0.7-2004-07-02-09:47:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
127 ngx_mutex_unlock(ngx_posted_events_mutex); |
213f17e9f776
nginx-0.0.7-2004-07-02-09:47:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
128 |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
129 ev->event_handler(ev); |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
130 |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
131 if (ngx_mutex_lock(ngx_posted_events_mutex) == NGX_ERROR) { |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
132 return NGX_ERROR; |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
133 } |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
134 |
374
213f17e9f776
nginx-0.0.7-2004-07-02-09:47:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
135 if (ev->locked) { |
213f17e9f776
nginx-0.0.7-2004-07-02-09:47:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
136 ngx_unlock(ev->lock); |
213f17e9f776
nginx-0.0.7-2004-07-02-09:47:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
137 } |
213f17e9f776
nginx-0.0.7-2004-07-02-09:47:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
138 |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
139 break; |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
140 } |
306
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
141 } |
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
142 } |
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
143 |
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
144 #endif |