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comparison src/event/modules/ngx_epoll_module.c @ 4430:e99e429947f9 stable-1.0

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Merge of r4306, r4320: Protection from stale write events in epoll. Stale write event may happen if epoll_wait() reported both read and write events, and processing of the read event closed descriptor.
author Maxim Dounin <mdounin@mdounin.ru>
date Sat, 04 Feb 2012 23:18:12 +0000
parents c48662671609
children 4919fb357a5d
comparison
equal deleted inserted replaced
4429:2d235c76c59e 4430:e99e429947f9
681 681
682 wev = c->write; 682 wev = c->write;
683 683
684 if ((revents & EPOLLOUT) && wev->active) { 684 if ((revents & EPOLLOUT) && wev->active) {
685 685
686 if (c->fd == -1 || wev->instance != instance) {
687
688 /*
689 * the stale event from a file descriptor
690 * that was just closed in this iteration
691 */
692
693 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
694 "epoll: stale event %p", c);
695 continue;
696 }
697
686 if (flags & NGX_POST_THREAD_EVENTS) { 698 if (flags & NGX_POST_THREAD_EVENTS) {
687 wev->posted_ready = 1; 699 wev->posted_ready = 1;
688 700
689 } else { 701 } else {
690 wev->ready = 1; 702 wev->ready = 1;