From: Giovanni P. Deretta (gpderetta_at_[hidden])
Date: 2006-01-12 09:51:52
>
> I think that very few, if any, platforms ship with an asynchronous resolver
> API at present (OSX 10.4 maybe?) but I'm sure Chris will make every effort
> to make use of these when they come into being.
>
Most recent linux distros come with getaddrinfo_a (available in glibc
since version 2.2.4). Unfortunately looks like it is not documented in
the man pages (at least not in the lastest slack release).
A description is available here:
http://people.redhat.com/~drepper/asynchnl.pdf
I think it is currently implemented using a thread pool.