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https://github.com/nginx/nginx.git
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100 lines
2.1 KiB
C
100 lines
2.1 KiB
C
#ifndef _NGX_EVENT_TIMER_H_INCLUDED_
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#define _NGX_EVENT_TIMER_H_INCLUDED_
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#include <ngx_config.h>
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#include <ngx_core.h>
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#include <ngx_event.h>
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/*
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* 32 bit key value resolution
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*
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* 1 msec - 49 days
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* 10 msec - 1 years 4 months
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* 50 msec - 6 years 10 months
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* 100 msec - 13 years 8 months
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*/
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#define NGX_TIMER_RESOLUTION 50
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int ngx_event_timer_init(ngx_cycle_t *cycle);
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void ngx_event_timer_done(ngx_cycle_t *cycle);
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ngx_msec_t ngx_event_find_timer(void);
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void ngx_event_expire_timers(ngx_msec_t timer);
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#if 0
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int ngx_event_timer_init(ngx_cycle_t *cycle);
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void ngx_event_timer_done(ngx_cycle_t *cycle);
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void ngx_event_add_timer(ngx_event_t *ev, ngx_msec_t timer);
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int ngx_event_find_timer(void);
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void ngx_event_set_timer_delta(ngx_msec_t timer);
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void ngx_event_expire_timers(ngx_msec_t timer);
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#endif
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extern ngx_rbtree_t *ngx_event_timer_rbtree;
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ngx_inline static void ngx_event_del_timer(ngx_event_t *ev)
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{
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ngx_rbtree_delete(&ngx_event_timer_rbtree,
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(ngx_rbtree_t *) &ev->rbtree_key);
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ev->timer_set = 0;
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}
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ngx_inline static void ngx_event_add_timer(ngx_event_t *ev, ngx_msec_t timer)
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{
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if (ev->timer_set) {
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ngx_del_timer(ev);
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}
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ev->rbtree_key = (ngx_int_t)
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(ngx_elapsed_msec + timer) / NGX_TIMER_RESOLUTION;
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ngx_rbtree_insert(&ngx_event_timer_rbtree,
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(ngx_rbtree_t *) &ev->rbtree_key);
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ev->timer_set = 1;
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}
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#if 0
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ngx_inline static void ngx_event_del_timer(ngx_event_t *ev)
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{
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#if (NGX_DEBUG_EVENT)
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ngx_connection_t *c = ev->data;
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ngx_log_debug(ev->log, "del timer: %d:%d" _ c->fd _ ev->write);
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#endif
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if (!ev->timer_next || !ev->timer_prev) {
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ngx_log_error(NGX_LOG_ALERT, ev->log, 0, "timer already deleted");
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return;
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}
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if (ev->timer_prev) {
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ev->timer_prev->timer_next = ev->timer_next;
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}
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if (ev->timer_next) {
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ev->timer_next->timer_delta += ev->timer_delta;
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ev->timer_next->timer_prev = ev->timer_prev;
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ev->timer_next = NULL;
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}
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if (ev->timer_prev) {
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ev->timer_prev = NULL;
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}
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ev->timer_set = 0;
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}
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#endif
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#endif /* _NGX_EVENT_TIMER_H_INCLUDED_ */
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