Mercurial > hg > nginx
annotate src/event/ngx_event_timer.h @ 206:9aa426375256
nginx-0.0.1-2003-12-05-10:11:46 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Fri, 05 Dec 2003 07:11:46 +0000 |
parents | 4a9a2b1dd6fa |
children | 6e0fef527732 |
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 /* |
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11 * 32 bit key value resolution |
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12 * |
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13 * 1 msec - 49 days |
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14 * 10 msec - 1 years 4 months |
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15 * 50 msec - 6 years 10 months |
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16 * 100 msec - 13 years 8 months |
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17 */ |
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18 |
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19 #define NGX_TIMER_RESOLUTION 50 |
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20 |
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21 |
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22 int ngx_event_timer_init(ngx_cycle_t *cycle); |
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23 void ngx_event_timer_done(ngx_cycle_t *cycle); |
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24 ngx_msec_t ngx_event_find_timer(void); |
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25 void ngx_event_expire_timers(ngx_msec_t timer); |
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26 |
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27 #if 0 |
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28 int ngx_event_timer_init(ngx_cycle_t *cycle); |
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29 void ngx_event_timer_done(ngx_cycle_t *cycle); |
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30 void ngx_event_add_timer(ngx_event_t *ev, ngx_msec_t timer); |
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31 int ngx_event_find_timer(void); |
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32 void ngx_event_set_timer_delta(ngx_msec_t timer); |
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33 void ngx_event_expire_timers(ngx_msec_t timer); |
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34 #endif |
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35 |
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36 |
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37 extern ngx_rbtree_t *ngx_event_timer_rbtree; |
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38 |
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39 |
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40 ngx_inline static void ngx_event_del_timer(ngx_event_t *ev) |
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41 { |
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42 ngx_rbtree_delete(&ngx_event_timer_rbtree, |
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43 (ngx_rbtree_t *) &ev->rbtree_key); |
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44 |
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45 ev->timer_set = 0; |
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46 } |
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47 |
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48 |
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49 ngx_inline static void ngx_event_add_timer(ngx_event_t *ev, ngx_msec_t timer) |
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50 { |
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51 if (ev->timer_set) { |
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52 ngx_del_timer(ev); |
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53 } |
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54 |
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55 ev->rbtree_key = (ngx_int_t) |
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56 (ngx_elapsed_msec + timer) / NGX_TIMER_RESOLUTION; |
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57 |
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58 ngx_rbtree_insert(&ngx_event_timer_rbtree, |
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59 (ngx_rbtree_t *) &ev->rbtree_key); |
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60 |
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61 ev->timer_set = 1; |
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62 } |
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63 |
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64 |
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65 #if 0 |
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66 |
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67 ngx_inline static void ngx_event_del_timer(ngx_event_t *ev) |
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68 { |
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69 #if (NGX_DEBUG_EVENT) |
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70 ngx_connection_t *c = ev->data; |
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71 ngx_log_debug(ev->log, "del timer: %d:%d" _ c->fd _ ev->write); |
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72 #endif |
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73 |
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74 if (!ev->timer_next || !ev->timer_prev) { |
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75 ngx_log_error(NGX_LOG_ALERT, ev->log, 0, "timer already deleted"); |
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76 return; |
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77 } |
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78 |
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79 if (ev->timer_prev) { |
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80 ev->timer_prev->timer_next = ev->timer_next; |
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81 } |
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82 |
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83 if (ev->timer_next) { |
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84 ev->timer_next->timer_delta += ev->timer_delta; |
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85 ev->timer_next->timer_prev = ev->timer_prev; |
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86 ev->timer_next = NULL; |
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87 } |
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88 |
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89 if (ev->timer_prev) { |
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90 ev->timer_prev = NULL; |
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91 } |
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92 |
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93 ev->timer_set = 0; |
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94 } |
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96 #endif |
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97 |
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98 |
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99 #endif /* _NGX_EVENT_TIMER_H_INCLUDED_ */ |