[2/6][PATCH]Fixes an Async bug.

[Alexandre Julliard]

"Scott Lindeneau" <slindeneau at gmail.com> writes:

> Fixes a bug in the async implementation. When checking for waiting
>  elements on a queue you need to check to see if ANY element is waiting,
>  not just the first element. When waking elements up you should ALERT an
>  element that is not already alerted. All other status messages should be
>  set. (This compensates for poll events that trigger other poll events
>  before garbage collection occurs and removes alerted elements from the
>  queues).

This is wrong, it will lead to busy waiting. We very much want the first
async to have been handled before we wake up for the next one.

-- 
Alexandre Julliard
julliard at winehq.org