Mercurial > hg > nginx
view src/event/ngx_event_timer.c @ 52:9f2728644651
nginx-0.0.1-2003-01-24-19:09:40 import
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Fri, 24 Jan 2003 16:09:40 +0000 |
parents | a6afbb8a2ada |
children | d1e42f1b8fd4 |
line wrap: on
line source
#include <ngx_config.h> #include <ngx_core.h> #include <ngx_log.h> #include <ngx_alloc.h> #include <ngx_connection.h> #include <ngx_event.h> #include <ngx_event_timer.h> /* STUB */ #define NGX_TIMER_HASH_SIZE 5 ngx_event_t *ngx_timer_queue; int ngx_timer_hash_size; static int ngx_timer_cur_queue; int ngx_event_init_timer(ngx_log_t *log) { int i; ngx_timer_hash_size = NGX_TIMER_HASH_SIZE; ngx_timer_cur_queue = 0; ngx_test_null(ngx_timer_queue, ngx_alloc(ngx_timer_hash_size * sizeof(ngx_event_t), log), NGX_ERROR); for (i = 0; i < ngx_timer_hash_size; i++) { ngx_timer_queue[i].timer_prev = &ngx_timer_queue[i]; ngx_timer_queue[i].timer_next = &ngx_timer_queue[i]; } return NGX_OK; } void ngx_event_add_timer(ngx_event_t *ev, ngx_msec_t timer) { ngx_event_t *e; #if (NGX_DEBUG_EVENT) ngx_connection_t *c = (ngx_connection_t *) ev->data; ngx_log_debug(ev->log, "set timer: %d:%d" _ c->fd _ timer); #endif if (ev->timer_next || ev->timer_prev) { ngx_log_error(NGX_LOG_ALERT, ev->log, 0, "timer already set"); return; } #if (NGX_DEBUG_EVENT) ngx_log_debug(ev->log, "timer slot: %d" _ ngx_timer_cur_queue); #endif for (e = ngx_timer_queue[ngx_timer_cur_queue].timer_next; e != &ngx_timer_queue[ngx_timer_cur_queue] && timer > e->timer_delta; e = e->timer_next) { timer -= e->timer_delta; } ngx_timer_cur_queue++; if (ngx_timer_cur_queue >= ngx_timer_hash_size) { ngx_timer_cur_queue = 0; } ev->timer_delta = timer; ev->timer_next = e; ev->timer_prev = e->timer_prev; e->timer_prev->timer_next = ev; e->timer_prev = ev; } void ngx_event_expire_timers(ngx_msec_t timer) { int i; ngx_msec_t delta; ngx_event_t *ev; for (i = 0; i < ngx_timer_hash_size; i++) { delta = timer; for ( ;; ) { ev = ngx_timer_queue[i].timer_next; if (ev == &ngx_timer_queue[i]) { break; } if (ev->timer_delta > delta) { ev->timer_delta -= delta; break; } delta -= ev->timer_delta; ngx_del_timer(ev); ev->timedout = 1; if (ev->event_handler(ev) == NGX_ERROR) { ev->close_handler(ev); } } } }