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annotate src/event/ngx_event_timer.h @ 7660:d33e17499088

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Version bump.
author Maxim Dounin <mdounin@mdounin.ru>
date Tue, 26 May 2020 22:03:00 +0300
parents 3069dd358ba2
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
441
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 371
diff changeset
1
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 371
diff changeset
2 /*
444
42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
Igor Sysoev <igor@sysoev.ru>
parents: 441
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3 * Copyright (C) Igor Sysoev
4412
d620f497c50f Copyright updated.
Maxim Konovalov <maxim@nginx.com>
parents: 1807
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4 * Copyright (C) Nginx, Inc.
441
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 371
diff changeset
5 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 371
diff changeset
6
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 371
diff changeset
7
50
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
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8 #ifndef _NGX_EVENT_TIMER_H_INCLUDED_
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
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9 #define _NGX_EVENT_TIMER_H_INCLUDED_
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
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10
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
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11
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
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12 #include <ngx_config.h>
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
13 #include <ngx_core.h>
50
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
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14 #include <ngx_event.h>
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
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15
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
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16
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
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17 #define NGX_TIMER_INFINITE (ngx_msec_t) -1
270
7bb9562216ce nginx-0.0.2-2004-02-25-23:16:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 230
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18
493
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
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19 #define NGX_TIMER_LAZY_DELAY 300
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
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20
205
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
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21
270
7bb9562216ce nginx-0.0.2-2004-02-25-23:16:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 230
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22 ngx_int_t ngx_event_timer_init(ngx_log_t *log);
206
9aa426375256 nginx-0.0.1-2003-12-05-10:11:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 205
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23 ngx_msec_t ngx_event_find_timer(void);
557
ecd9c160f25b nginx-0.3.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
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24 void ngx_event_expire_timers(void);
6929
3069dd358ba2 Cancelable timers are now preserved if there are other timers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5896
diff changeset
25 ngx_int_t ngx_event_no_timers_left(void);
205
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
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26
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
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27
5894
1f513d7f1b45 Events: removed broken thread support from event timers.
Valentin Bartenev <vbart@nginx.com>
parents: 4412
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28 extern ngx_rbtree_t ngx_event_timer_rbtree;
207
6e0fef527732 nginx-0.0.1-2003-12-05-20:07:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 206
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29
205
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
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30
493
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
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31 static ngx_inline void
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
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32 ngx_event_del_timer(ngx_event_t *ev)
205
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Igor Sysoev <igor@sysoev.ru>
parents: 195
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33 {
214
e0c502f15852 nginx-0.0.1-2003-12-22-12:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 213
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34 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0,
557
ecd9c160f25b nginx-0.3.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
35 "event timer del: %d: %M",
559
c1f965ef9718 nginx-0.3.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
36 ngx_event_ident(ev->data), ev->timer.key);
213
f536f91e8e99 nginx-0.0.1-2003-12-19-15:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 210
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37
559
c1f965ef9718 nginx-0.3.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
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38 ngx_rbtree_delete(&ngx_event_timer_rbtree, &ev->timer);
205
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
39
214
e0c502f15852 nginx-0.0.1-2003-12-22-12:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 213
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40 #if (NGX_DEBUG)
559
c1f965ef9718 nginx-0.3.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
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41 ev->timer.left = NULL;
c1f965ef9718 nginx-0.3.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
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42 ev->timer.right = NULL;
c1f965ef9718 nginx-0.3.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
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43 ev->timer.parent = NULL;
214
e0c502f15852 nginx-0.0.1-2003-12-22-12:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 213
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44 #endif
e0c502f15852 nginx-0.0.1-2003-12-22-12:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 213
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45
205
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
46 ev->timer_set = 0;
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
47 }
50
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
48
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
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49
493
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
50 static ngx_inline void
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
51 ngx_event_add_timer(ngx_event_t *ev, ngx_msec_t timer)
205
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
52 {
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
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53 ngx_msec_t key;
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
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54 ngx_msec_int_t diff;
205
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
55
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 561
diff changeset
56 key = ngx_current_msec + timer;
205
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
57
303
00c5660d2707 nginx-0.0.3-2004-04-01-20:20:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 275
diff changeset
58 if (ev->timer_set) {
304
bcbe876f4262 nginx-0.0.3-2004-04-02-09:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 303
diff changeset
59
bcbe876f4262 nginx-0.0.3-2004-04-02-09:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 303
diff changeset
60 /*
1807
1739becf3f83 fix comment
Igor Sysoev <igor@sysoev.ru>
parents: 563
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61 * Use a previous timer value if difference between it and a new
1739becf3f83 fix comment
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
62 * value is less than NGX_TIMER_LAZY_DELAY milliseconds: this allows
1739becf3f83 fix comment
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
63 * to minimize the rbtree operations for fast connections.
304
bcbe876f4262 nginx-0.0.3-2004-04-02-09:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 303
diff changeset
64 */
bcbe876f4262 nginx-0.0.3-2004-04-02-09:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 303
diff changeset
65
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
66 diff = (ngx_msec_int_t) (key - ev->timer.key);
557
ecd9c160f25b nginx-0.3.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
67
ecd9c160f25b nginx-0.3.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
68 if (ngx_abs(diff) < NGX_TIMER_LAZY_DELAY) {
303
00c5660d2707 nginx-0.0.3-2004-04-01-20:20:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 275
diff changeset
69 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, ev->log, 0,
557
ecd9c160f25b nginx-0.3.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
70 "event timer: %d, old: %M, new: %M",
559
c1f965ef9718 nginx-0.3.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
71 ngx_event_ident(ev->data), ev->timer.key, key);
303
00c5660d2707 nginx-0.0.3-2004-04-01-20:20:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 275
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72 return;
00c5660d2707 nginx-0.0.3-2004-04-01-20:20:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 275
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73 }
00c5660d2707 nginx-0.0.3-2004-04-01-20:20:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 275
diff changeset
74
00c5660d2707 nginx-0.0.3-2004-04-01-20:20:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 275
diff changeset
75 ngx_del_timer(ev);
00c5660d2707 nginx-0.0.3-2004-04-01-20:20:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 275
diff changeset
76 }
00c5660d2707 nginx-0.0.3-2004-04-01-20:20:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 275
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77
559
c1f965ef9718 nginx-0.3.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
78 ev->timer.key = key;
303
00c5660d2707 nginx-0.0.3-2004-04-01-20:20:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 275
diff changeset
79
557
ecd9c160f25b nginx-0.3.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
80 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, ev->log, 0,
ecd9c160f25b nginx-0.3.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
81 "event timer add: %d: %M:%M",
559
c1f965ef9718 nginx-0.3.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
82 ngx_event_ident(ev->data), timer, ev->timer.key);
213
f536f91e8e99 nginx-0.0.1-2003-12-19-15:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 210
diff changeset
83
559
c1f965ef9718 nginx-0.3.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
84 ngx_rbtree_insert(&ngx_event_timer_rbtree, &ev->timer);
205
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
85
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
86 ev->timer_set = 1;
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
87 }
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
88
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
89
59
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 53
diff changeset
90 #endif /* _NGX_EVENT_TIMER_H_INCLUDED_ */