Mercurial > hg > nginx
annotate src/event/ngx_event_timer.c @ 50:b288069a8696
nginx-0.0.1-2003-01-23-21:47:54 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 23 Jan 2003 18:47:54 +0000 |
parents | c091d5b853c8 |
children | a6afbb8a2ada |
rev | line source |
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50
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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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12 /* STUB */ |
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13 #define NGX_TIMER_HASH_SIZE 5 |
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14 |
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15 ngx_event_t *ngx_timer_queue; |
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16 int ngx_timer_hash_size; |
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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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24 |
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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), |
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27 NGX_ERROR); |
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29 for (i = 0; i < ngx_timer_hash_size; i++) { |
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30 ngx_timer_queue[i].timer_prev = &ngx_timer_queue[i]; |
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31 ngx_timer_queue[i].timer_next = &ngx_timer_queue[i]; |
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32 } |
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33 |
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34 return NGX_OK; |
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35 } |
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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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55 for (e = ngx_timer_queue[n].timer_next; |
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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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63 |
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64 ev->timer_next = e; |
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65 ev->timer_prev = e->timer_prev; |
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66 |
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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 } |