annotate src/event/ngx_event_timer.c @ 113:d7f606e25b99

nginx-0.0.1-2003-07-04-19:10:33 import
author Igor Sysoev <igor@sysoev.ru>
date Fri, 04 Jul 2003 15:10:33 +0000
parents b5be4b0448d3
children ac69ab96328d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
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1
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
Igor Sysoev <igor@sysoev.ru>
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2 #include <ngx_config.h>
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
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3 #include <ngx_core.h>
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
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4 #include <ngx_event.h>
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
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b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
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6
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d1e42f1b8fd4 nginx-0.0.1-2003-01-27-00:08:14 import
Igor Sysoev <igor@sysoev.ru>
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7 static ngx_event_t *ngx_timer_queue;
d1e42f1b8fd4 nginx-0.0.1-2003-01-27-00:08:14 import
Igor Sysoev <igor@sysoev.ru>
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8 static int ngx_timer_cur_queue;
d1e42f1b8fd4 nginx-0.0.1-2003-01-27-00:08:14 import
Igor Sysoev <igor@sysoev.ru>
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9 static int ngx_timer_queue_num;
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c091d5b853c8 nginx-0.0.1-2003-01-21-20:36:01 import
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d7f606e25b99 nginx-0.0.1-2003-07-04-19:10:33 import
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12 int ngx_event_timer_init(ngx_cycle_t *cycle)
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13 {
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637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
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14 int i;
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00bee6e7b485 nginx-0.0.1-2003-06-15-22:32:13 import
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15 ngx_event_t *new_queue;
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637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
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16 ngx_event_conf_t *ecf;
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17
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d7f606e25b99 nginx-0.0.1-2003-07-04-19:10:33 import
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18 ecf = ngx_event_get_conf(cycle->conf_ctx, ngx_event_core_module);
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637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
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19
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00bee6e7b485 nginx-0.0.1-2003-06-15-22:32:13 import
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20 if (ngx_timer_queue_num < ecf->timer_queues) {
00bee6e7b485 nginx-0.0.1-2003-06-15-22:32:13 import
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21 ngx_test_null(new_queue,
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22 ngx_alloc(ecf->timer_queues * sizeof(ngx_event_t),
d7f606e25b99 nginx-0.0.1-2003-07-04-19:10:33 import
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23 cycle->log),
105
00bee6e7b485 nginx-0.0.1-2003-06-15-22:32:13 import
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24 NGX_ERROR);
00bee6e7b485 nginx-0.0.1-2003-06-15-22:32:13 import
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25
00bee6e7b485 nginx-0.0.1-2003-06-15-22:32:13 import
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26 for (i = 0; i < ngx_timer_queue_num; i++) {
00bee6e7b485 nginx-0.0.1-2003-06-15-22:32:13 import
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27 new_queue[i] = ngx_timer_queue[i];
00bee6e7b485 nginx-0.0.1-2003-06-15-22:32:13 import
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28 }
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29
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00bee6e7b485 nginx-0.0.1-2003-06-15-22:32:13 import
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30 if (ngx_timer_queue) {
00bee6e7b485 nginx-0.0.1-2003-06-15-22:32:13 import
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31 ngx_free(ngx_timer_queue);
00bee6e7b485 nginx-0.0.1-2003-06-15-22:32:13 import
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32 }
00bee6e7b485 nginx-0.0.1-2003-06-15-22:32:13 import
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33
00bee6e7b485 nginx-0.0.1-2003-06-15-22:32:13 import
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34 ngx_timer_queue = new_queue;
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35
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36 ngx_timer_queue_num = ecf->timer_queues;
00bee6e7b485 nginx-0.0.1-2003-06-15-22:32:13 import
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37 ngx_timer_cur_queue = 0;
00bee6e7b485 nginx-0.0.1-2003-06-15-22:32:13 import
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38
00bee6e7b485 nginx-0.0.1-2003-06-15-22:32:13 import
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39 for (/* void */; i < ngx_timer_queue_num; i++) {
00bee6e7b485 nginx-0.0.1-2003-06-15-22:32:13 import
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parents: 103
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40 ngx_timer_queue[i].timer_prev = &ngx_timer_queue[i];
00bee6e7b485 nginx-0.0.1-2003-06-15-22:32:13 import
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parents: 103
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41 ngx_timer_queue[i].timer_next = &ngx_timer_queue[i];
00bee6e7b485 nginx-0.0.1-2003-06-15-22:32:13 import
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parents: 103
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42 }
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d7f606e25b99 nginx-0.0.1-2003-07-04-19:10:33 import
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d7f606e25b99 nginx-0.0.1-2003-07-04-19:10:33 import
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44 } else if (ngx_timer_queue_num > ecf->timer_queues) {
d7f606e25b99 nginx-0.0.1-2003-07-04-19:10:33 import
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45 /* STUB */
d7f606e25b99 nginx-0.0.1-2003-07-04-19:10:33 import
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46 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, "NOT READY");
d7f606e25b99 nginx-0.0.1-2003-07-04-19:10:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
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47 exit(1);
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b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
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48 }
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
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49
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637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
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50 return NGX_OK;;
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
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51 }
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d7f606e25b99 nginx-0.0.1-2003-07-04-19:10:33 import
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54 void ngx_event_timer_done(ngx_cycle_t *cycle)
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55 {
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
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56 ngx_free(ngx_timer_queue);
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57 ngx_timer_queue = NULL;
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58 ngx_timer_queue_num = 0;
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59 }
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b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
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62 void ngx_event_add_timer(ngx_event_t *ev, ngx_msec_t timer)
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
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63 {
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c091d5b853c8 nginx-0.0.1-2003-01-21-20:36:01 import
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parents:
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64 ngx_event_t *e;
c091d5b853c8 nginx-0.0.1-2003-01-21-20:36:01 import
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65
c091d5b853c8 nginx-0.0.1-2003-01-21-20:36:01 import
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66 #if (NGX_DEBUG_EVENT)
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67 ngx_connection_t *c = ev->data;
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3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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68 ngx_log_debug(ev->log, "set timer: %d:%d, slot: %d" _
3973260705cc nginx-0.0.1-2003-05-12-19:52:24 import
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69 c->fd _ timer _ ngx_timer_cur_queue);
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70 #endif
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71
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72 if (ev->timer_next || ev->timer_prev) {
c091d5b853c8 nginx-0.0.1-2003-01-21-20:36:01 import
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73 ngx_log_error(NGX_LOG_ALERT, ev->log, 0, "timer already set");
c091d5b853c8 nginx-0.0.1-2003-01-21-20:36:01 import
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74 return;
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75 }
c091d5b853c8 nginx-0.0.1-2003-01-21-20:36:01 import
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76
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9f2728644651 nginx-0.0.1-2003-01-24-19:09:40 import
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77 for (e = ngx_timer_queue[ngx_timer_cur_queue].timer_next;
9f2728644651 nginx-0.0.1-2003-01-24-19:09:40 import
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78 e != &ngx_timer_queue[ngx_timer_cur_queue] && timer > e->timer_delta;
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c091d5b853c8 nginx-0.0.1-2003-01-21-20:36:01 import
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79 e = e->timer_next)
c091d5b853c8 nginx-0.0.1-2003-01-21-20:36:01 import
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80 {
c091d5b853c8 nginx-0.0.1-2003-01-21-20:36:01 import
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81 timer -= e->timer_delta;
c091d5b853c8 nginx-0.0.1-2003-01-21-20:36:01 import
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82 }
c091d5b853c8 nginx-0.0.1-2003-01-21-20:36:01 import
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83
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9f2728644651 nginx-0.0.1-2003-01-24-19:09:40 import
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84 ngx_timer_cur_queue++;
53
d1e42f1b8fd4 nginx-0.0.1-2003-01-27-00:08:14 import
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85 if (ngx_timer_cur_queue >= ngx_timer_queue_num) {
52
9f2728644651 nginx-0.0.1-2003-01-24-19:09:40 import
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86 ngx_timer_cur_queue = 0;
9f2728644651 nginx-0.0.1-2003-01-24-19:09:40 import
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87 }
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88
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c091d5b853c8 nginx-0.0.1-2003-01-21-20:36:01 import
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89 ev->timer_delta = timer;
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90
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91 ev->timer_next = e;
c091d5b853c8 nginx-0.0.1-2003-01-21-20:36:01 import
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92 ev->timer_prev = e->timer_prev;
c091d5b853c8 nginx-0.0.1-2003-01-21-20:36:01 import
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93
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94 e->timer_prev->timer_next = ev;
c091d5b853c8 nginx-0.0.1-2003-01-21-20:36:01 import
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95 e->timer_prev = ev;
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96 }
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a6afbb8a2ada nginx-0.0.1-2003-01-24-09:20:47 import
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a6afbb8a2ada nginx-0.0.1-2003-01-24-09:20:47 import
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98
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d1e42f1b8fd4 nginx-0.0.1-2003-01-27-00:08:14 import
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99 int ngx_event_find_timer(void)
d1e42f1b8fd4 nginx-0.0.1-2003-01-27-00:08:14 import
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100 {
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101 int i;
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102 ngx_msec_t timer;
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103
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104 timer = NGX_MAX_MSEC;
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105
d1e42f1b8fd4 nginx-0.0.1-2003-01-27-00:08:14 import
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parents: 52
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106 for (i = 0; i < ngx_timer_queue_num; i++) {
d1e42f1b8fd4 nginx-0.0.1-2003-01-27-00:08:14 import
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parents: 52
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107 if (ngx_timer_queue[i].timer_next == &ngx_timer_queue[i]) {
d1e42f1b8fd4 nginx-0.0.1-2003-01-27-00:08:14 import
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parents: 52
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108 continue;
d1e42f1b8fd4 nginx-0.0.1-2003-01-27-00:08:14 import
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109 }
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110
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111 if (timer > ngx_timer_queue[i].timer_next->timer_delta) {
d1e42f1b8fd4 nginx-0.0.1-2003-01-27-00:08:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 52
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112 timer = ngx_timer_queue[i].timer_next->timer_delta;
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113 }
d1e42f1b8fd4 nginx-0.0.1-2003-01-27-00:08:14 import
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114 }
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115
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Igor Sysoev <igor@sysoev.ru>
parents: 52
diff changeset
116 if (timer == NGX_MAX_MSEC) {
d1e42f1b8fd4 nginx-0.0.1-2003-01-27-00:08:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 52
diff changeset
117 return 0;
d1e42f1b8fd4 nginx-0.0.1-2003-01-27-00:08:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 52
diff changeset
118 } else {
d1e42f1b8fd4 nginx-0.0.1-2003-01-27-00:08:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 52
diff changeset
119 return timer;
d1e42f1b8fd4 nginx-0.0.1-2003-01-27-00:08:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 52
diff changeset
120 }
d1e42f1b8fd4 nginx-0.0.1-2003-01-27-00:08:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 52
diff changeset
121 }
d1e42f1b8fd4 nginx-0.0.1-2003-01-27-00:08:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 52
diff changeset
122
d1e42f1b8fd4 nginx-0.0.1-2003-01-27-00:08:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 52
diff changeset
123
51
a6afbb8a2ada nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 50
diff changeset
124 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
125 {
a6afbb8a2ada nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 50
diff changeset
126 int i;
a6afbb8a2ada nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 50
diff changeset
127 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
128 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
129
53
d1e42f1b8fd4 nginx-0.0.1-2003-01-27-00:08:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 52
diff changeset
130 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
131
a6afbb8a2ada nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 50
diff changeset
132 delta = timer;
a6afbb8a2ada nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 50
diff changeset
133
a6afbb8a2ada nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 50
diff changeset
134 for ( ;; ) {
a6afbb8a2ada nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 50
diff changeset
135 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
136
a6afbb8a2ada nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 50
diff changeset
137 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
138 break;
a6afbb8a2ada nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 50
diff changeset
139 }
a6afbb8a2ada nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 50
diff changeset
140
a6afbb8a2ada nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 50
diff changeset
141 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
142 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
143 break;
a6afbb8a2ada nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 50
diff changeset
144 }
a6afbb8a2ada nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 50
diff changeset
145
a6afbb8a2ada nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 50
diff changeset
146 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
147
a6afbb8a2ada nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 50
diff changeset
148 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
149 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
150
77
57c2e18d3572 nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents: 53
diff changeset
151 if (ev->delayed) {
57c2e18d3572 nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents: 53
diff changeset
152 ev->delayed = 0;
57c2e18d3572 nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents: 53
diff changeset
153 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
154 continue;
57c2e18d3572 nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents: 53
diff changeset
155 }
57c2e18d3572 nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents: 53
diff changeset
156
57c2e18d3572 nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents: 53
diff changeset
157 } else {
57c2e18d3572 nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents: 53
diff changeset
158 ev->timedout = 1;
57c2e18d3572 nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents: 53
diff changeset
159 }
51
a6afbb8a2ada nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 50
diff changeset
160
87
5f6d848dcbef nginx-0.0.1-2003-05-13-20:02:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 86
diff changeset
161 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
162 }
a6afbb8a2ada nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 50
diff changeset
163 }
a6afbb8a2ada nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 50
diff changeset
164 }