Mercurial > hg > nginx
annotate src/event/ngx_event_posted.c @ 376:d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Mon, 05 Jul 2004 06:55:54 +0000 |
parents | 744ccb59062d |
children | 41437e4fd9b4 |
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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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; |
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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 #endif |
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12 |
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13 |
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14 void ngx_event_process_posted(ngx_cycle_t *cycle) |
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15 { |
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16 ngx_event_t *ev; |
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17 |
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18 for ( ;; ) { |
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19 |
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20 ev = (ngx_event_t *) ngx_posted_events; |
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21 |
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22 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
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23 "posted event " PTR_FMT, ev); |
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24 |
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25 if (ev == NULL) { |
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26 return; |
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27 } |
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28 |
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29 ngx_delete_posted_event(ev); |
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30 |
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31 #if 0 |
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32 /* do not check instance ??? */ |
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33 |
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34 if (ev->accept) { |
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35 continue; |
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36 } |
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37 #endif |
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38 |
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39 if (ev->closed |
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40 || (ev->use_instance && ev->instance != ev->returned_instance)) |
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41 { |
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42 /* |
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43 * the stale event from a file descriptor |
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44 * that was just closed in this iteration |
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45 */ |
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46 |
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47 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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48 "stale posted event " PTR_FMT, ev); |
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49 continue; |
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50 } |
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51 |
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52 ev->event_handler(ev); |
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53 } |
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54 } |
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55 |
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56 |
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57 #if (NGX_THREADS) |
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58 |
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59 void ngx_wakeup_worker_thread(ngx_cycle_t *cycle) |
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60 { |
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61 ngx_int_t i; |
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62 |
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63 for (i = 0; i < ngx_threads_n; i++) { |
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64 if (ngx_threads[i].state == NGX_THREAD_FREE) { |
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65 ngx_cond_signal(ngx_threads[i].cv); |
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66 return; |
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67 } |
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68 } |
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69 } |
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70 |
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71 |
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72 ngx_int_t ngx_event_thread_process_posted(ngx_cycle_t *cycle) |
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73 { |
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74 ngx_event_t *ev; |
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75 |
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76 for ( ;; ) { |
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77 |
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78 ev = (ngx_event_t *) ngx_posted_events; |
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79 |
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80 for ( ;; ) { |
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81 |
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82 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
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83 "posted event " PTR_FMT, ev); |
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84 |
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85 if (ev == NULL) { |
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86 return NGX_OK; |
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87 } |
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88 |
371
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89 if (ngx_trylock(ev->lock) == 0) { |
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90 |
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91 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
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92 "posted event " PTR_FMT " is busy", ev); |
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93 |
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94 ev = ev->next; |
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95 continue; |
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96 } |
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97 |
375
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98 ngx_delete_posted_event(ev); |
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99 |
375
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100 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
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101 "event instance: c:%d i:%d r:%d", |
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102 ev->closed, ev->instance, ev->returned_instance); |
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103 |
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104 if (ev->closed |
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105 || (ev->use_instance && ev->instance != ev->returned_instance)) |
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106 { |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
107 /* |
372
c9fdfccebc49
nginx-0.0.7-2004-06-29-01:03:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
371
diff
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108 * The stale event from a file descriptor that was just |
c9fdfccebc49
nginx-0.0.7-2004-06-29-01:03:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
371
diff
changeset
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109 * closed in this iteration. We use ngx_cycle->log |
c9fdfccebc49
nginx-0.0.7-2004-06-29-01:03:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
371
diff
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110 * because ev->log may be already destoyed. |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
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111 */ |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
112 |
372
c9fdfccebc49
nginx-0.0.7-2004-06-29-01:03:14 import
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parents:
371
diff
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113 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, ngx_cycle->log, 0, |
375
744ccb59062d
nginx-0.0.7-2004-07-02-19:54:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
374
diff
changeset
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114 "stale posted event " PTR_FMT, ev); |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
115 |
372
c9fdfccebc49
nginx-0.0.7-2004-06-29-01:03:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
371
diff
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116 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
|
117 |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
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118 ev = ev->next; |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
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parents:
350
diff
changeset
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119 |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
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parents:
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120 continue; |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
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121 } |
306
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
122 |
374
213f17e9f776
nginx-0.0.7-2004-07-02-09:47:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
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123 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
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124 |
375
744ccb59062d
nginx-0.0.7-2004-07-02-19:54:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
374
diff
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125 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
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126 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
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127 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
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128 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
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129 #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
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130 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
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131 #endif |
375
744ccb59062d
nginx-0.0.7-2004-07-02-19:54:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
374
diff
changeset
|
132 |
744ccb59062d
nginx-0.0.7-2004-07-02-19:54:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
374
diff
changeset
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133 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
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134 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
|
135 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
|
136 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
|
137 #if (HAVE_KQUEUE) |
744ccb59062d
nginx-0.0.7-2004-07-02-19:54:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
374
diff
changeset
|
138 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
|
139 #endif |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
140 |
374
213f17e9f776
nginx-0.0.7-2004-07-02-09:47:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
141 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
|
142 |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
143 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
|
144 |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
145 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
|
146 return NGX_ERROR; |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
147 } |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
148 |
374
213f17e9f776
nginx-0.0.7-2004-07-02-09:47:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
149 if (ev->locked) { |
213f17e9f776
nginx-0.0.7-2004-07-02-09:47:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
150 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
|
151 } |
213f17e9f776
nginx-0.0.7-2004-07-02-09:47:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
152 |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
153 break; |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
154 } |
306
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
155 } |
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
156 } |
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
157 |
376
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
158 #else |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
159 |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
160 void ngx_wakeup_worker_thread(ngx_cycle_t *cycle) |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
161 { |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
162 } |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
163 |
306
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
164 #endif |