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annotate src/event/ngx_event_timer.c @ 50:b288069a8696

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nginx-0.0.1-2003-01-23-21:47:54 import
author Igor Sysoev <igor@sysoev.ru>
date Thu, 23 Jan 2003 18:47:54 +0000
parents c091d5b853c8
children a6afbb8a2ada
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b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
Igor Sysoev <igor@sysoev.ru>
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b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
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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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b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
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4 #include <ngx_core.h>
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
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5 #include <ngx_log.h>
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
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6 #include <ngx_alloc.h>
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
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7 #include <ngx_connection.h>
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
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8 #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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10 #include <ngx_event_timer.h>
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12 /* STUB */
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
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13 #define NGX_TIMER_HASH_SIZE 5
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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15 ngx_event_t *ngx_timer_queue;
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
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16 int ngx_timer_hash_size;
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b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
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19 int ngx_event_init_timer(ngx_log_t *log)
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20 {
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21 int i;
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23 ngx_timer_hash_size = NGX_TIMER_HASH_SIZE;
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25 ngx_test_null(ngx_timer_queue,
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26 ngx_alloc(ngx_timer_hash_size * sizeof(ngx_event_t), log),
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
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27 NGX_ERROR);
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b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
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29 for (i = 0; i < ngx_timer_hash_size; i++) {
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
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30 ngx_timer_queue[i].timer_prev = &ngx_timer_queue[i];
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
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31 ngx_timer_queue[i].timer_next = &ngx_timer_queue[i];
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32 }
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b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
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34 return NGX_OK;
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35 }
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b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
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38 void ngx_event_add_timer(ngx_event_t *ev, ngx_msec_t timer)
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39 {
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40 int n;
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41 ngx_event_t *e;
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43 #if (NGX_DEBUG_EVENT)
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44 ngx_connection_t *c = (ngx_connection_t *) ev->data;
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45 ngx_log_debug(ev->log, "set timer: %d:%d" _ c->fd _ timer);
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46 #endif
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48 if (ev->timer_next || ev->timer_prev) {
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49 ngx_log_error(NGX_LOG_ALERT, ev->log, 0, "timer already set");
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50 return;
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51 }
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53 n = timer % ngx_timer_hash_size;
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54
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55 for (e = ngx_timer_queue[n].timer_next;
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
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56 e != &ngx_timer_queue[n] && timer > e->timer_delta;
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57 e = e->timer_next)
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58 {
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59 timer -= e->timer_delta;
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60 }
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62 ev->timer_delta = timer;
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64 ev->timer_next = e;
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65 ev->timer_prev = e->timer_prev;
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67 e->timer_prev->timer_next = ev;
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68 e->timer_prev = ev;
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69 }