Mercurial > hg > nginx
comparison src/event/ngx_event_timer.c @ 205:4a9a2b1dd6fa
nginx-0.0.1-2003-12-04-17:53:00 import
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Thu, 04 Dec 2003 14:53:00 +0000 |
parents | 8dee38ea9117 |
children | 9aa426375256 |
comparison
equal
deleted
inserted
replaced
204:e0bcfb77d6c7 | 205:4a9a2b1dd6fa |
---|---|
1 | 1 |
2 #include <ngx_config.h> | 2 #include <ngx_config.h> |
3 #include <ngx_core.h> | 3 #include <ngx_core.h> |
4 #include <ngx_event.h> | 4 #include <ngx_event.h> |
5 | 5 |
6 | |
7 ngx_rbtree_t *ngx_event_timer_rbtree; | |
8 | |
9 | |
10 int ngx_event_timer_init(ngx_cycle_t *cycle) | |
11 { | |
12 ngx_event_timer_rbtree = &sentinel; | |
13 sentinel.left = &sentinel; | |
14 sentinel.right = &sentinel; | |
15 sentinel.parent = &sentinel; | |
16 | |
17 return NGX_OK; | |
18 } | |
19 | |
20 | |
21 void ngx_event_timer_done(ngx_cycle_t *cycle) | |
22 { | |
23 } | |
24 | |
25 | |
26 int ngx_event_find_timer(void) | |
27 { | |
28 ngx_rbtree_t *node; | |
29 | |
30 node = ngx_rbtree_min(ngx_event_timer_rbtree); | |
31 | |
32 if (node == &sentinel) { | |
33 return 0; | |
34 | |
35 } else { | |
36 return node->key * NGX_TIMER_RESOLUTION - ngx_elapsed_msec; | |
37 } | |
38 } | |
39 | |
40 | |
41 void ngx_event_expire_timers(ngx_msec_t timer) | |
42 { | |
43 ngx_event_t *ev; | |
44 ngx_rbtree_t *node; | |
45 | |
46 for ( ;; ) { | |
47 node = ngx_rbtree_min(ngx_event_timer_rbtree); | |
48 | |
49 if (node == &sentinel) { | |
50 break; | |
51 } | |
52 | |
53 if ((ngx_msec_t) node->key <= | |
54 (ngx_elapsed_msec + timer) / NGX_TIMER_RESOLUTION) | |
55 { | |
56 ev = (ngx_event_t *) | |
57 ((char *) node - offsetof(ngx_event_t, rbtree)); | |
58 | |
59 ngx_del_timer(ev); | |
60 | |
61 if (ev->delayed) { | |
62 ev->delayed = 0; | |
63 if (ev->ready == 0) { | |
64 continue; | |
65 } | |
66 | |
67 } else { | |
68 ev->timedout = 1; | |
69 } | |
70 | |
71 ev->event_handler(ev); | |
72 continue; | |
73 } | |
74 | |
75 break; | |
76 } | |
77 } | |
78 | |
79 | |
80 #if 0 | |
6 | 81 |
7 /* TODO: in multithreaded enviroment all timer operations must be | 82 /* TODO: in multithreaded enviroment all timer operations must be |
8 protected by the single mutex */ | 83 protected by the single mutex */ |
9 | 84 |
10 | 85 |
273 ngx_del_timer(ev); | 348 ngx_del_timer(ev); |
274 ngx_add_timer(ev, timer); | 349 ngx_add_timer(ev, timer); |
275 } | 350 } |
276 #endif | 351 #endif |
277 } | 352 } |
353 | |
354 | |
355 #endif |