Mercurial > hg > nginx
annotate src/event/ngx_event_timer.c @ 96:a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 27 May 2003 12:18:54 +0000 |
parents | 637625a2acdb |
children | 6dfda4cf5200 |
rev | line source |
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nginx-0.0.1-2003-01-23-21:47:54 import
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1 |
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2 #include <ngx_config.h> |
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4 #include <ngx_core.h> |
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5 #include <ngx_log.h> |
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6 #include <ngx_alloc.h> |
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7 #include <ngx_connection.h> |
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8 #include <ngx_event.h> |
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10 #include <ngx_event_timer.h> |
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13 static ngx_event_t *ngx_timer_queue; |
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14 static int ngx_timer_cur_queue; |
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nginx-0.0.1-2003-01-27-00:08:14 import
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15 static int ngx_timer_queue_num; |
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nginx-0.0.1-2003-05-19-20:39:14 import
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18 int ngx_event_timer_init(ngx_log_t *log) |
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19 { |
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20 int i; |
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21 ngx_event_conf_t *ecf; |
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23 ecf = ngx_event_get_conf(ngx_event_module); |
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24 |
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25 ngx_timer_queue_num = ecf->timer_queues; |
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26 ngx_timer_cur_queue = 0; |
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28 ngx_test_null(ngx_timer_queue, |
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29 ngx_alloc(ngx_timer_queue_num * sizeof(ngx_event_t), log), |
91
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30 NGX_ERROR); |
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31 |
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32 for (i = 0; i < ngx_timer_queue_num; i++) { |
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33 ngx_timer_queue[i].timer_prev = &ngx_timer_queue[i]; |
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34 ngx_timer_queue[i].timer_next = &ngx_timer_queue[i]; |
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35 } |
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36 |
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37 return NGX_OK;; |
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38 } |
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39 |
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40 |
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41 void ngx_event_timer_done(ngx_log_t *log) |
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42 { |
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43 ngx_free(ngx_timer_queue); |
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44 } |
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45 |
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46 |
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nginx-0.0.1-2003-01-23-21:47:54 import
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47 void ngx_event_add_timer(ngx_event_t *ev, ngx_msec_t timer) |
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48 { |
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49 ngx_event_t *e; |
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nginx-0.0.1-2003-01-21-20:36:01 import
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51 #if (NGX_DEBUG_EVENT) |
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52 ngx_connection_t *c = (ngx_connection_t *) ev->data; |
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53 ngx_log_debug(ev->log, "set timer: %d:%d, slot: %d" _ |
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nginx-0.0.1-2003-05-12-19:52:24 import
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54 c->fd _ timer _ ngx_timer_cur_queue); |
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55 #endif |
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56 |
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57 if (ev->timer_next || ev->timer_prev) { |
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58 ngx_log_error(NGX_LOG_ALERT, ev->log, 0, "timer already set"); |
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59 return; |
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60 } |
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61 |
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62 for (e = ngx_timer_queue[ngx_timer_cur_queue].timer_next; |
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63 e != &ngx_timer_queue[ngx_timer_cur_queue] && timer > e->timer_delta; |
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64 e = e->timer_next) |
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65 { |
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66 timer -= e->timer_delta; |
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67 } |
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68 |
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69 ngx_timer_cur_queue++; |
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70 if (ngx_timer_cur_queue >= ngx_timer_queue_num) { |
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71 ngx_timer_cur_queue = 0; |
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72 } |
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73 |
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74 ev->timer_delta = timer; |
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75 |
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76 ev->timer_next = e; |
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77 ev->timer_prev = e->timer_prev; |
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78 |
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79 e->timer_prev->timer_next = ev; |
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80 e->timer_prev = ev; |
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81 } |
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82 |
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83 |
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84 int ngx_event_find_timer(void) |
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85 { |
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86 int i; |
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87 ngx_msec_t timer; |
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88 |
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89 timer = NGX_MAX_MSEC; |
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90 |
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91 for (i = 0; i < ngx_timer_queue_num; i++) { |
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92 if (ngx_timer_queue[i].timer_next == &ngx_timer_queue[i]) { |
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93 continue; |
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94 } |
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95 |
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96 if (timer > ngx_timer_queue[i].timer_next->timer_delta) { |
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97 timer = ngx_timer_queue[i].timer_next->timer_delta; |
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98 } |
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99 } |
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100 |
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101 if (timer == NGX_MAX_MSEC) { |
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102 return 0; |
d1e42f1b8fd4
nginx-0.0.1-2003-01-27-00:08:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
52
diff
changeset
|
103 } else { |
d1e42f1b8fd4
nginx-0.0.1-2003-01-27-00:08:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
52
diff
changeset
|
104 return timer; |
d1e42f1b8fd4
nginx-0.0.1-2003-01-27-00:08:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
52
diff
changeset
|
105 } |
d1e42f1b8fd4
nginx-0.0.1-2003-01-27-00:08:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
52
diff
changeset
|
106 } |
d1e42f1b8fd4
nginx-0.0.1-2003-01-27-00:08:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
52
diff
changeset
|
107 |
d1e42f1b8fd4
nginx-0.0.1-2003-01-27-00:08:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
52
diff
changeset
|
108 |
51
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
109 void ngx_event_expire_timers(ngx_msec_t timer) |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
110 { |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
111 int i; |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
112 ngx_msec_t delta; |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
113 ngx_event_t *ev; |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
114 |
53
d1e42f1b8fd4
nginx-0.0.1-2003-01-27-00:08:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
52
diff
changeset
|
115 for (i = 0; i < ngx_timer_queue_num; i++) { |
51
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
116 |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
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117 delta = timer; |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
118 |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
119 for ( ;; ) { |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
120 ev = ngx_timer_queue[i].timer_next; |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
121 |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
122 if (ev == &ngx_timer_queue[i]) { |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
123 break; |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
124 } |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
125 |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
126 if (ev->timer_delta > delta) { |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
127 ev->timer_delta -= delta; |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
128 break; |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
129 } |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
130 |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
131 delta -= ev->timer_delta; |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
132 |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
133 ngx_del_timer(ev); |
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
87
diff
changeset
|
134 ev->timer_set = 0; |
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
87
diff
changeset
|
135 |
77
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
53
diff
changeset
|
136 if (ev->delayed) { |
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
53
diff
changeset
|
137 ev->delayed = 0; |
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
53
diff
changeset
|
138 if (ev->ready == 0) { |
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
53
diff
changeset
|
139 continue; |
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
53
diff
changeset
|
140 } |
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
53
diff
changeset
|
141 |
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
53
diff
changeset
|
142 } else { |
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
53
diff
changeset
|
143 ev->timedout = 1; |
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
53
diff
changeset
|
144 } |
51
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
145 |
87
5f6d848dcbef
nginx-0.0.1-2003-05-13-20:02:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
86
diff
changeset
|
146 ev->event_handler(ev); |
51
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
147 } |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
148 } |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
149 } |