Mercurial > hg > nginx
annotate src/event/ngx_event_timer.h @ 274:a1ea1ecc3eac
nginx-0.0.2-2004-03-01-23:00:04 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Mon, 01 Mar 2004 20:00:04 +0000 |
parents | d4e65d74db9f |
children | b836469c37c3 |
rev | line source |
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nginx-0.0.1-2003-01-23-21:47:54 import
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1 #ifndef _NGX_EVENT_TIMER_H_INCLUDED_ |
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2 #define _NGX_EVENT_TIMER_H_INCLUDED_ |
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3 |
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4 |
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5 #include <ngx_config.h> |
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6 #include <ngx_core.h> |
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7 #include <ngx_event.h> |
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8 |
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9 |
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10 #define NGX_TIMER_ERROR (ngx_msec_t) -1 |
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12 /* |
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13 * 32 bit timer key value resolution |
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14 * |
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15 * 1 msec - 49 days |
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16 * 10 msec - 1 years 4 months |
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17 * 50 msec - 6 years 10 months |
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18 * 100 msec - 13 years 8 months |
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19 */ |
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20 |
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21 #define NGX_TIMER_RESOLUTION 1 |
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22 |
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23 |
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24 ngx_int_t ngx_event_timer_init(ngx_log_t *log); |
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25 ngx_msec_t ngx_event_find_timer(void); |
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26 void ngx_event_expire_timers(ngx_msec_t timer); |
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27 |
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29 #if (NGX_THREADS) |
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30 extern ngx_mutex_t *ngx_event_timer_mutex; |
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31 #endif |
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32 |
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33 |
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34 extern volatile ngx_rbtree_t *ngx_event_timer_rbtree; |
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35 extern ngx_rbtree_t ngx_event_timer_sentinel; |
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36 |
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37 |
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38 ngx_inline static void ngx_event_del_timer(ngx_event_t *ev) |
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39 { |
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40 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0, |
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41 "event timer del: %d: %d", |
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42 ngx_event_ident(ev->data), ev->rbtree_key); |
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43 |
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44 #if (NGX_THREADS) |
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45 if (ngx_mutex_lock(ngx_event_timer_mutex) == NGX_ERROR) { |
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46 return; |
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47 } |
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48 #endif |
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50 ngx_rbtree_delete((ngx_rbtree_t **) &ngx_event_timer_rbtree, |
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51 &ngx_event_timer_sentinel, |
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52 (ngx_rbtree_t *) &ev->rbtree_key); |
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53 |
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54 #if (NGX_THREADS) |
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55 ngx_mutex_unlock(ngx_event_timer_mutex); |
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56 #endif |
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57 |
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58 #if (NGX_DEBUG) |
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59 ev->rbtree_left = NULL; |
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60 ev->rbtree_right = NULL; |
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61 ev->rbtree_parent = NULL; |
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62 #endif |
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63 |
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64 ev->timer_set = 0; |
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65 } |
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66 |
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67 |
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68 ngx_inline static void ngx_event_add_timer(ngx_event_t *ev, ngx_msec_t timer) |
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69 { |
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70 if (ev->timer_set) { |
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71 ngx_del_timer(ev); |
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72 } |
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73 |
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74 ev->rbtree_key = (ngx_int_t) |
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75 (ngx_elapsed_msec / NGX_TIMER_RESOLUTION * NGX_TIMER_RESOLUTION |
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76 + timer) / NGX_TIMER_RESOLUTION; |
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77 #if 0 |
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78 (ngx_elapsed_msec + timer) / NGX_TIMER_RESOLUTION; |
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79 #endif |
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80 |
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81 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0, |
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82 "event timer add: %d: %d", |
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83 ngx_event_ident(ev->data), ev->rbtree_key); |
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84 |
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85 #if (NGX_THREADS) |
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86 if (ngx_mutex_lock(ngx_event_timer_mutex) == NGX_ERROR) { |
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87 return; |
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88 } |
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89 #endif |
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90 |
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91 ngx_rbtree_insert((ngx_rbtree_t **) &ngx_event_timer_rbtree, |
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92 &ngx_event_timer_sentinel, |
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93 (ngx_rbtree_t *) &ev->rbtree_key); |
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94 |
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95 #if (NGX_THREADS) |
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96 ngx_mutex_unlock(ngx_event_timer_mutex); |
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97 #endif |
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98 |
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99 ev->timer_set = 1; |
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100 } |
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nginx-0.0.1-2003-12-04-17:53:00 import
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101 |
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nginx-0.0.1-2003-12-04-17:53:00 import
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102 |
59
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nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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103 #endif /* _NGX_EVENT_TIMER_H_INCLUDED_ */ |