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annotate src/event/ngx_event_timer.c @ 266:5238e93961a1

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nginx-0.0.2-2004-02-23-23:57:12 import
author Igor Sysoev <igor@sysoev.ru>
date Mon, 23 Feb 2004 20:57:12 +0000
parents 1119faf4635a
children 7bb9562216ce
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 49
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1
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 49
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2 #include <ngx_config.h>
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 49
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3 #include <ngx_core.h>
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
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parents: 49
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4 #include <ngx_event.h>
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
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5
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
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6
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00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
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7 /*
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
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8 * TODO: in multithreaded enviroment all timer operations must be
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
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parents: 209
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9 * protected by the single mutex
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
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10 */
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
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11
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5238e93961a1 nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 230
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12 #if (NGX_THREADS)
5238e93961a1 nginx-0.0.2-2004-02-23-23:57:12 import
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13 static ngx_mutex_t *ngx_event_timer_mutex;
5238e93961a1 nginx-0.0.2-2004-02-23-23:57:12 import
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14 #endif
5238e93961a1 nginx-0.0.2-2004-02-23-23:57:12 import
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4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
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17 ngx_rbtree_t *ngx_event_timer_rbtree;
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6e0fef527732 nginx-0.0.1-2003-12-05-20:07:27 import
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18 ngx_rbtree_t ngx_event_timer_sentinel;
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4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
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20
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1119faf4635a nginx-0.0.1-2004-01-16-09:15:48 import
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21 void ngx_event_timer_init(void)
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4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
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22 {
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05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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23 if (ngx_event_timer_rbtree) {
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1119faf4635a nginx-0.0.1-2004-01-16-09:15:48 import
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24 return;
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e1c815be05ae nginx-0.0.1-2003-12-09-18:08:11 import
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25 }
e1c815be05ae nginx-0.0.1-2003-12-09-18:08:11 import
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26
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6e0fef527732 nginx-0.0.1-2003-12-05-20:07:27 import
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27 ngx_event_timer_rbtree = &ngx_event_timer_sentinel;
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28 }
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9aa426375256 nginx-0.0.1-2003-12-05-10:11:46 import
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31 ngx_msec_t ngx_event_find_timer(void)
205
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32 {
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33 ngx_rbtree_t *node;
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34
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f536f91e8e99 nginx-0.0.1-2003-12-19-15:45:27 import
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35 if (ngx_event_timer_rbtree == &ngx_event_timer_sentinel) {
f536f91e8e99 nginx-0.0.1-2003-12-19-15:45:27 import
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parents: 212
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36 return 0;
f536f91e8e99 nginx-0.0.1-2003-12-19-15:45:27 import
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37 }
f536f91e8e99 nginx-0.0.1-2003-12-19-15:45:27 import
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38
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6e0fef527732 nginx-0.0.1-2003-12-05-20:07:27 import
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39 node = ngx_rbtree_min(ngx_event_timer_rbtree, &ngx_event_timer_sentinel);
205
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f536f91e8e99 nginx-0.0.1-2003-12-19-15:45:27 import
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41 return (ngx_msec_t)
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00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 209
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42 (node->key * NGX_TIMER_RESOLUTION -
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
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parents: 209
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43 ngx_elapsed_msec / NGX_TIMER_RESOLUTION * NGX_TIMER_RESOLUTION);
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 209
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44 #if 0
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9aa426375256 nginx-0.0.1-2003-12-05-10:11:46 import
Igor Sysoev <igor@sysoev.ru>
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45 (node->key * NGX_TIMER_RESOLUTION - ngx_elapsed_msec);
210
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 209
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46 #endif
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47 }
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
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4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
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4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
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50 void ngx_event_expire_timers(ngx_msec_t timer)
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
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parents: 195
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51 {
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
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52 ngx_event_t *ev;
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
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parents: 195
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53 ngx_rbtree_t *node;
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
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54
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
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parents: 195
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55 for ( ;; ) {
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f536f91e8e99 nginx-0.0.1-2003-12-19-15:45:27 import
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f536f91e8e99 nginx-0.0.1-2003-12-19-15:45:27 import
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parents: 212
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57 if (ngx_event_timer_rbtree == &ngx_event_timer_sentinel) {
f536f91e8e99 nginx-0.0.1-2003-12-19-15:45:27 import
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58 break;
f536f91e8e99 nginx-0.0.1-2003-12-19-15:45:27 import
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59 }
f536f91e8e99 nginx-0.0.1-2003-12-19-15:45:27 import
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60
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6e0fef527732 nginx-0.0.1-2003-12-05-20:07:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 206
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61 node = ngx_rbtree_min(ngx_event_timer_rbtree,
6e0fef527732 nginx-0.0.1-2003-12-05-20:07:27 import
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parents: 206
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62 &ngx_event_timer_sentinel);
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4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
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63
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9aa426375256 nginx-0.0.1-2003-12-05-10:11:46 import
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64 if ((ngx_msec_t) node->key <= (ngx_msec_t)
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6e0fef527732 nginx-0.0.1-2003-12-05-20:07:27 import
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65 (ngx_old_elapsed_msec + timer) / NGX_TIMER_RESOLUTION)
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4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
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66 {
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
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67 ev = (ngx_event_t *)
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9aa426375256 nginx-0.0.1-2003-12-05-10:11:46 import
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68 ((char *) node - offsetof(ngx_event_t, rbtree_key));
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69
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70 ngx_del_timer(ev);
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71
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72 if (ev->delayed) {
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73 ev->delayed = 0;
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74 if (ev->ready == 0) {
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
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75 continue;
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76 }
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77
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
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78 } else {
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
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79 ev->timedout = 1;
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
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80 }
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81
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
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82 ev->event_handler(ev);
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83 continue;
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84 }
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85
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
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86 break;
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87 }
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88 }