Mercurial > hg > nginx
annotate src/event/ngx_event_timer.c @ 270:7bb9562216ce
nginx-0.0.2-2004-02-25-23:16:15 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Wed, 25 Feb 2004 20:16:15 +0000 |
parents | 5238e93961a1 |
children | d4e65d74db9f |
rev | line source |
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50
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nginx-0.0.1-2003-01-23-21:47:54 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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nginx-0.0.2-2004-02-23-23:57:12 import
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7 #if (NGX_THREADS) |
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8 ngx_mutex_t *ngx_event_timer_mutex; |
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9 #endif |
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12 ngx_rbtree_t *ngx_event_timer_rbtree; |
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13 ngx_rbtree_t ngx_event_timer_sentinel; |
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14 |
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16 ngx_int_t ngx_event_timer_init(ngx_log_t *log) |
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17 { |
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nginx-0.0.1-2004-01-05-23:55:48 import
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18 if (ngx_event_timer_rbtree) { |
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19 ngx_event_timer_mutex->log = log; |
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20 return NGX_OK; |
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21 } |
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23 ngx_event_timer_rbtree = &ngx_event_timer_sentinel; |
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24 |
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25 if (!(ngx_event_timer_mutex = ngx_mutex_init(log, 0))) { |
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26 return NGX_ERROR; |
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27 } |
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28 |
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29 return NGX_OK; |
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30 } |
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31 |
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nginx-0.0.1-2003-12-05-10:11:46 import
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33 ngx_msec_t ngx_event_find_timer(void) |
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34 { |
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35 ngx_rbtree_t *node; |
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36 |
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37 if (ngx_event_timer_rbtree == &ngx_event_timer_sentinel) { |
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38 return 0; |
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39 } |
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40 |
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41 #if (NGX_THREADS) |
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42 if (ngx_mutex_lock(ngx_event_timer_mutex) == NGX_ERROR) { |
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43 return NGX_TIMER_ERROR; |
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44 } |
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45 #endif |
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46 |
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47 node = ngx_rbtree_min(ngx_event_timer_rbtree, &ngx_event_timer_sentinel); |
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49 #if (NGX_THREADS) |
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50 ngx_mutex_unlock(ngx_event_timer_mutex); |
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51 #endif |
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52 |
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53 return (ngx_msec_t) |
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nginx-0.0.1-2003-12-14-23:10:27 import
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54 (node->key * NGX_TIMER_RESOLUTION - |
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55 ngx_elapsed_msec / NGX_TIMER_RESOLUTION * NGX_TIMER_RESOLUTION); |
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56 #if 0 |
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57 (node->key * NGX_TIMER_RESOLUTION - ngx_elapsed_msec); |
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58 #endif |
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59 } |
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60 |
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61 |
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62 void ngx_event_expire_timers(ngx_msec_t timer) |
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63 { |
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64 ngx_event_t *ev; |
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65 ngx_rbtree_t *node; |
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66 |
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67 for ( ;; ) { |
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68 |
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69 if (ngx_event_timer_rbtree == &ngx_event_timer_sentinel) { |
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70 break; |
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71 } |
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72 |
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73 #if (NGX_THREADS) |
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74 if (ngx_mutex_lock(ngx_event_timer_mutex) == NGX_ERROR) { |
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75 return; |
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76 } |
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77 #endif |
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78 |
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79 node = ngx_rbtree_min(ngx_event_timer_rbtree, |
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80 &ngx_event_timer_sentinel); |
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81 |
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82 #if (NGX_THREADS) |
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83 ngx_mutex_unlock(ngx_event_timer_mutex); |
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84 #endif |
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85 |
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86 if ((ngx_msec_t) node->key <= (ngx_msec_t) |
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87 (ngx_old_elapsed_msec + timer) / NGX_TIMER_RESOLUTION) |
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88 { |
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89 ev = (ngx_event_t *) |
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90 ((char *) node - offsetof(ngx_event_t, rbtree_key)); |
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91 |
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92 ngx_del_timer(ev); |
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93 |
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94 if (ev->delayed) { |
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95 ev->delayed = 0; |
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96 if (ev->ready == 0) { |
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97 continue; |
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98 } |
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99 |
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100 } else { |
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101 ev->timedout = 1; |
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102 } |
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103 |
270
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104 #if (NGX_THREADS) |
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105 /* STUB: post event */ |
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106 #endif |
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107 |
205
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108 ev->event_handler(ev); |
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109 continue; |
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110 } |
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111 |
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112 break; |
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113 } |
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114 } |