Nngix maybe dead lock in ngnix_event_timer

[Piotr Sikora]

Hi,

> While timer rb-tree is empty,  mutex_lock 'ngx_event_timer_mutex'  would
> not unlock!
> 
> This bug is avaliable in every nginx version. Should fix it pls.

There is nothing to unlock, ngx_mutex_lock() is no-op.

Best regards,
Piotr Sikora < piotr.sikora at frickle.com >