On Fri, Jul 20, 2012 at 12:11:51PM +0800, Joy zhou wrote:
> hi everyone:
>   
>   I have found a little bug at method ngx_event_expire_timers  of  the
> file "src/event/ngx_event_timer.c "
>   
>   
>      84     for ( ;; ) {
>      85
>      86         ngx_mutex_lock(ngx_event_timer_mutex);
>      87
>      88         root = ngx_event_timer_rbtree.root;
>      89
>      90         if (root == sentinel) {
>      91             return;
>      92         }
>     
>                [...]
>             }
>             
>    The above code should add 
> "ngx_mutex_unlock(ngx_event_timer_mutex);" at 90 line,
>    Because the ngx_event_timer_mutex has locked at begin , but returned
> without unlock , is it right?       

Only theoretically. Practically, ngx_mutex_lock() is a no-op in nginx.

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