Mercurial > hg > nginx
annotate src/event/ngx_event_timer.h @ 214:e0c502f15852
nginx-0.0.1-2003-12-22-12:40:48 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Mon, 22 Dec 2003 09:40:48 +0000 |
parents | f536f91e8e99 |
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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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10 /* |
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11 * 32 bit timer 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 1 |
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20 |
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22 #if 0 |
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23 int ngx_event_timer_init(void); |
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24 #endif |
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25 /* STUB */ int ngx_event_timer_init(ngx_cycle_t *cycle); |
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26 /* STUB */ void ngx_event_timer_done(ngx_cycle_t *cycle); |
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28 ngx_msec_t ngx_event_find_timer(void); |
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29 void ngx_event_expire_timers(ngx_msec_t timer); |
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30 |
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31 |
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32 extern ngx_rbtree_t *ngx_event_timer_rbtree; |
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33 extern ngx_rbtree_t ngx_event_timer_sentinel; |
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36 #define ngx_event_ident(p) ((ngx_connection_t *) (p))->fd |
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39 ngx_inline static void ngx_event_del_timer(ngx_event_t *ev) |
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40 { |
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41 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0, |
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42 "event timer del: %d: %d", |
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43 ngx_event_ident(ev->data), ev->rbtree_key); |
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45 ngx_rbtree_delete(&ngx_event_timer_rbtree, &ngx_event_timer_sentinel, |
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46 (ngx_rbtree_t *) &ev->rbtree_key); |
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48 #if (NGX_DEBUG) |
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49 ev->rbtree_left = NULL; |
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50 ev->rbtree_right = NULL; |
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51 ev->rbtree_parent = NULL; |
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52 #endif |
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54 ev->timer_set = 0; |
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55 } |
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58 ngx_inline static void ngx_event_add_timer(ngx_event_t *ev, ngx_msec_t timer) |
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59 { |
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60 if (ev->timer_set) { |
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61 ngx_del_timer(ev); |
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62 } |
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64 ev->rbtree_key = (ngx_int_t) |
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65 (ngx_elapsed_msec / NGX_TIMER_RESOLUTION * NGX_TIMER_RESOLUTION |
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66 + timer) / NGX_TIMER_RESOLUTION; |
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67 #if 0 |
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68 (ngx_elapsed_msec + timer) / NGX_TIMER_RESOLUTION; |
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69 #endif |
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71 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0, |
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72 "event timer add: %d: %d", |
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73 ngx_event_ident(ev->data), ev->rbtree_key); |
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75 ngx_rbtree_insert(&ngx_event_timer_rbtree, &ngx_event_timer_sentinel, |
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76 (ngx_rbtree_t *) &ev->rbtree_key); |
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77 |
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78 ev->timer_set = 1; |
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79 } |
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80 |
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82 #endif /* _NGX_EVENT_TIMER_H_INCLUDED_ */ |