Mercurial > hg > nginx
annotate src/event/ngx_event_posted.c @ 375:744ccb59062d
nginx-0.0.7-2004-07-02-19:54:34 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Fri, 02 Jul 2004 15:54:34 +0000 |
parents | 213f17e9f776 |
children | d0451e402e27 |
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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nginx-0.0.3-2004-04-05-00:32:09 import
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2 #include <ngx_config.h> |
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nginx-0.0.3-2004-04-05-00:32:09 import
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3 #include <ngx_core.h> |
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nginx-0.0.3-2004-04-05-00:32:09 import
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4 #include <ngx_event.h> |
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nginx-0.0.3-2004-04-05-00:32:09 import
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5 |
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6 |
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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; |
370
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8 |
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9 #if (NGX_THREADS) |
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nginx-0.0.3-2004-04-05-00:32:09 import
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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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nginx-0.0.3-2004-04-05-00:32:09 import
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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_delete_posted_event(ev); |
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31 |
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32 #if 0 |
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33 /* do not check instance ??? */ |
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34 |
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35 if (ev->accept) { |
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36 continue; |
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37 } |
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38 #endif |
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39 |
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40 if (ev->closed |
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41 || (ev->use_instance && ev->instance != ev->returned_instance)) |
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42 { |
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43 /* |
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44 * the stale event from a file descriptor |
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45 * that was just closed in this iteration |
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46 */ |
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nginx-0.0.3-2004-04-05-00:32:09 import
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47 |
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48 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
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nginx-0.0.4-2004-06-10-00:03:54 import
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49 "stale posted event " PTR_FMT, ev); |
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50 continue; |
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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; |
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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 |
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68 for ( ;; ) { |
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69 |
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70 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
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71 "posted event " PTR_FMT, ev); |
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72 |
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73 if (ev == NULL) { |
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74 ngx_mutex_unlock(ngx_posted_events_mutex); |
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75 return NGX_OK; |
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76 } |
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77 |
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78 if (ngx_trylock(ev->lock) == 0) { |
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79 |
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80 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
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81 "posted event " PTR_FMT " is busy", ev); |
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82 |
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83 ev = ev->next; |
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84 continue; |
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85 } |
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86 |
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87 ngx_delete_posted_event(ev); |
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88 |
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89 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
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90 "event instance: c:%d i:%d r:%d", |
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91 ev->closed, ev->instance, ev->returned_instance); |
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92 |
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93 if (ev->closed |
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94 || (ev->use_instance && ev->instance != ev->returned_instance)) |
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95 { |
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96 /* |
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97 * The stale event from a file descriptor that was just |
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98 * closed in this iteration. We use ngx_cycle->log |
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99 * because ev->log may be already destoyed. |
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100 */ |
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101 |
372
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102 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, ngx_cycle->log, 0, |
375
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103 "stale posted event " PTR_FMT, ev); |
370
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104 |
372
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105 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
|
106 |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
107 ev = ev->next; |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
108 |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
109 continue; |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
110 } |
306
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
111 |
374
213f17e9f776
nginx-0.0.7-2004-07-02-09:47:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
112 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
|
113 |
375
744ccb59062d
nginx-0.0.7-2004-07-02-19:54:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
374
diff
changeset
|
114 ev->ready |= ev->posted_ready; |
744ccb59062d
nginx-0.0.7-2004-07-02-19:54:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
374
diff
changeset
|
115 ev->timedout |= ev->posted_timedout; |
744ccb59062d
nginx-0.0.7-2004-07-02-19:54:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
374
diff
changeset
|
116 ev->available |= ev->posted_available; |
744ccb59062d
nginx-0.0.7-2004-07-02-19:54:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
374
diff
changeset
|
117 ev->pending_eof |= ev->posted_eof; |
374
213f17e9f776
nginx-0.0.7-2004-07-02-09:47:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
118 #if (HAVE_KQUEUE) |
375
744ccb59062d
nginx-0.0.7-2004-07-02-19:54:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
374
diff
changeset
|
119 ev->kq_errno |= ev->posted_errno; |
374
213f17e9f776
nginx-0.0.7-2004-07-02-09:47:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
120 #endif |
375
744ccb59062d
nginx-0.0.7-2004-07-02-19:54:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
374
diff
changeset
|
121 |
744ccb59062d
nginx-0.0.7-2004-07-02-19:54:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
374
diff
changeset
|
122 ev->posted_ready = 0; |
744ccb59062d
nginx-0.0.7-2004-07-02-19:54:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
374
diff
changeset
|
123 ev->posted_timedout = 0; |
744ccb59062d
nginx-0.0.7-2004-07-02-19:54:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
374
diff
changeset
|
124 ev->posted_available = 0; |
744ccb59062d
nginx-0.0.7-2004-07-02-19:54:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
374
diff
changeset
|
125 ev->posted_eof = 0; |
744ccb59062d
nginx-0.0.7-2004-07-02-19:54:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
374
diff
changeset
|
126 #if (HAVE_KQUEUE) |
744ccb59062d
nginx-0.0.7-2004-07-02-19:54:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
374
diff
changeset
|
127 ev->posted_errno = 0; |
744ccb59062d
nginx-0.0.7-2004-07-02-19:54:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
374
diff
changeset
|
128 #endif |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
129 |
374
213f17e9f776
nginx-0.0.7-2004-07-02-09:47:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
130 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
|
131 |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
132 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
|
133 |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
134 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
|
135 return NGX_ERROR; |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
136 } |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
137 |
374
213f17e9f776
nginx-0.0.7-2004-07-02-09:47:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
138 if (ev->locked) { |
213f17e9f776
nginx-0.0.7-2004-07-02-09:47:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
139 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
|
140 } |
213f17e9f776
nginx-0.0.7-2004-07-02-09:47:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
141 |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
142 break; |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
143 } |
306
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
144 } |
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
145 } |
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
146 |
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
147 #endif |