Mercurial > hg > nginx
annotate src/event/ngx_event_posted.c @ 2510:fa03c3846ca4
add debug logging
author | Igor Sysoev <igor@sysoev.ru> |
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date | Wed, 18 Feb 2009 09:24:14 +0000 |
parents | 9c2f3ed7a247 |
children | d620f497c50f |
rev | line source |
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441
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nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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1 |
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2 /* |
444
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3 * Copyright (C) Igor Sysoev |
441
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4 */ |
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_event.h> |
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10 |
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11 |
563 | 12 ngx_thread_volatile ngx_event_t *ngx_posted_accept_events; |
306
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13 ngx_thread_volatile ngx_event_t *ngx_posted_events; |
370
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14 |
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15 #if (NGX_THREADS) |
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16 ngx_mutex_t *ngx_posted_events_mutex; |
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17 #endif |
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18 |
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19 |
563 | 20 void |
21 ngx_event_process_posted(ngx_cycle_t *cycle, | |
22 ngx_thread_volatile ngx_event_t **posted) | |
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23 { |
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24 ngx_event_t *ev; |
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25 |
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26 for ( ;; ) { |
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27 |
563 | 28 ev = (ngx_event_t *) *posted; |
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29 |
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30 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
461 | 31 "posted event %p", ev); |
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32 |
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33 if (ev == NULL) { |
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34 return; |
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35 } |
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36 |
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37 ngx_delete_posted_event(ev); |
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38 |
509 | 39 ev->handler(ev); |
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40 } |
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41 } |
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42 |
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43 |
461 | 44 #if (NGX_THREADS) && !(NGX_WIN32) |
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45 |
563 | 46 void |
47 ngx_wakeup_worker_thread(ngx_cycle_t *cycle) | |
376
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48 { |
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49 ngx_int_t i; |
501 | 50 #if 0 |
377
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51 ngx_uint_t busy; |
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52 ngx_event_t *ev; |
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53 |
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54 busy = 1; |
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55 |
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56 if (ngx_mutex_lock(ngx_posted_events_mutex) == NGX_ERROR) { |
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57 return; |
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58 } |
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59 |
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60 for (ev = (ngx_event_t *) ngx_posted_events; ev; ev = ev->next) { |
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61 if (*(ev->lock) == 0) { |
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62 busy = 0; |
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63 break; |
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64 } |
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65 } |
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66 |
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67 ngx_mutex_unlock(ngx_posted_events_mutex); |
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68 |
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69 if (busy) { |
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70 return; |
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71 } |
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72 #endif |
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73 |
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74 for (i = 0; i < ngx_threads_n; i++) { |
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75 if (ngx_threads[i].state == NGX_THREAD_FREE) { |
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76 ngx_cond_signal(ngx_threads[i].cv); |
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77 return; |
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78 } |
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79 } |
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80 } |
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81 |
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82 |
563 | 83 ngx_int_t |
84 ngx_event_thread_process_posted(ngx_cycle_t *cycle) | |
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85 { |
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86 ngx_event_t *ev; |
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87 |
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88 for ( ;; ) { |
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89 |
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90 ev = (ngx_event_t *) ngx_posted_events; |
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91 |
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92 for ( ;; ) { |
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93 |
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94 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
461 | 95 "posted event %p", ev); |
370
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96 |
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97 if (ev == NULL) { |
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98 return NGX_OK; |
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99 } |
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100 |
371
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101 if (ngx_trylock(ev->lock) == 0) { |
370
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102 |
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103 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
461 | 104 "posted event %p is busy", ev); |
370
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105 |
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106 ev = ev->next; |
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107 continue; |
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108 } |
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109 |
380
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110 if (ev->lock != ev->own_lock) { |
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111 if (*(ev->own_lock)) { |
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112 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, |
461 | 113 "the own lock of the posted event %p is busy", ev); |
380
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114 ngx_unlock(ev->lock); |
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115 ev = ev->next; |
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116 continue; |
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117 } |
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118 *(ev->own_lock) = 1; |
5ce6561246a5
nginx-0.0.7-2004-07-07-10:15:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
379
diff
changeset
|
119 } |
5ce6561246a5
nginx-0.0.7-2004-07-07-10:15:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
379
diff
changeset
|
120 |
375
744ccb59062d
nginx-0.0.7-2004-07-02-19:54:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
374
diff
changeset
|
121 ngx_delete_posted_event(ev); |
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
|
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
|
124 |
375
744ccb59062d
nginx-0.0.7-2004-07-02-19:54:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
374
diff
changeset
|
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
changeset
|
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
changeset
|
127 ev->pending_eof |= ev->posted_eof; |
469 | 128 #if (NGX_HAVE_KQUEUE) |
375
744ccb59062d
nginx-0.0.7-2004-07-02-19:54:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
374
diff
changeset
|
129 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
|
130 #endif |
377
41437e4fd9b4
nginx-0.0.7-2004-07-05-19:08:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
376
diff
changeset
|
131 if (ev->posted_available) { |
41437e4fd9b4
nginx-0.0.7-2004-07-05-19:08:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
376
diff
changeset
|
132 ev->available = ev->posted_available; |
41437e4fd9b4
nginx-0.0.7-2004-07-05-19:08:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
376
diff
changeset
|
133 } |
375
744ccb59062d
nginx-0.0.7-2004-07-02-19:54:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
374
diff
changeset
|
134 |
744ccb59062d
nginx-0.0.7-2004-07-02-19:54:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
374
diff
changeset
|
135 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
|
136 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
|
137 ev->posted_eof = 0; |
469 | 138 #if (NGX_HAVE_KQUEUE) |
375
744ccb59062d
nginx-0.0.7-2004-07-02-19:54:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
374
diff
changeset
|
139 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
|
140 #endif |
377
41437e4fd9b4
nginx-0.0.7-2004-07-05-19:08:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
376
diff
changeset
|
141 ev->posted_available = 0; |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
142 |
374
213f17e9f776
nginx-0.0.7-2004-07-02-09:47:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
143 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
|
144 |
509 | 145 ev->handler(ev); |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
146 |
563 | 147 ngx_mutex_lock(ngx_posted_events_mutex); |
370
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); |
380
5ce6561246a5
nginx-0.0.7-2004-07-07-10:15:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
379
diff
changeset
|
151 |
5ce6561246a5
nginx-0.0.7-2004-07-07-10:15:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
379
diff
changeset
|
152 if (ev->lock != ev->own_lock) { |
5ce6561246a5
nginx-0.0.7-2004-07-07-10:15:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
379
diff
changeset
|
153 ngx_unlock(ev->own_lock); |
5ce6561246a5
nginx-0.0.7-2004-07-07-10:15:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
379
diff
changeset
|
154 } |
374
213f17e9f776
nginx-0.0.7-2004-07-02-09:47:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
155 } |
213f17e9f776
nginx-0.0.7-2004-07-02-09:47:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
156 |
379
73688d5d7fc3
nginx-0.0.7-2004-07-06-20:12:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
377
diff
changeset
|
157 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
461 | 158 "posted event %p is done", ev); |
379
73688d5d7fc3
nginx-0.0.7-2004-07-06-20:12:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
377
diff
changeset
|
159 |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
160 break; |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
161 } |
306
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
162 } |
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
163 } |
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
164 |
376
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
165 #else |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
166 |
563 | 167 void |
168 ngx_wakeup_worker_thread(ngx_cycle_t *cycle) | |
376
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
169 { |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
170 } |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
171 |
306
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
172 #endif |