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Fixed AIO on Linux, broken in r4306.

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Events from eventfd do not have c->write set, and the stale event
check added in r4306 causes null pointer dereference.
This commit is contained in:
Maxim Dounin 2011-11-29 17:27:13 +00:00
parent b99492595c
commit c09d65b179
1 changed files with 12 additions and 12 deletions
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24
src/event/modules/ngx_epoll_module.c
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@ -681,20 +681,20 @@ ngx_epoll_process_events(ngx_cycle_t *cycle, ngx_msec_t timer, ngx_uint_t flags)
wev = c->write;
if (c->fd == -1 || wev->instance != instance) {
/*
* the stale event from a file descriptor
* that was just closed in this iteration
*/
ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
"epoll: stale event %p", c);
continue;
}
if ((revents & EPOLLOUT) && wev->active) {
if (c->fd == -1 || wev->instance != instance) {
/*
* the stale event from a file descriptor
* that was just closed in this iteration
*/
ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
"epoll: stale event %p", c);
continue;
}
if (flags & NGX_POST_THREAD_EVENTS) {
wev->posted_ready = 1;