[Libevent-users] Re: Six patches for evdns.c

[Niels Provos]

On 5/28/07, Nick Mathewson <nickm at freehaven.net> wrote:
> 02-no-timeout-on-failure.diff
>
>    As written, when a nameserver fails quickly, we would set a timeout
>    and not actually acknowledge the failure until the timeout had
>    elapsed.  This isn't necessary, and tended to delay actual retries
>    unnecessarily.  [I'd appreciate review on this one.]

We need a test for this one.  It looks like the main difference is
that the timeout is no longer added.  However, many callers of
evdns_request_transmit seem to ignore the return code.  So, it seems
that the whoever made the dns request might never get the callback.

Niels.