Re: Ada The Best Language?

["Warren W. Gay VE3WWG" <ve3wwg@home.com>]

Florian Weimer wrote:
> Ted Dennison<dennison@telepath.com> writes:
> 
> > "select" probably has its uses, but it seems to mostly be a
> > holdover from the pre-thread era.
> 
> select() (and poll()) are close to necessary if you want to establish
> two-way communication with a child process.  Of course, you could
> create a bunch of tasks for that, but this seems to be pure overkill.
> 
> OTOH, I havent seen a proper thick binding for select() and poll()
> (using protected objects, so that you can use Ada select to wait for
> events). With a thin binding, SUSv2 select() and Ada select do not mix
> at all.

I think you'll find that poll(2) can be interfaced to from Ada without
much trouble. The select(2) interfaces is problematic to Ada because
select(2) requires those FDSET macros, which are convenient only
in C/C++. The poll(2) interface OTOH, requires you to only set up arrays.

-- 
Warren W. Gay VE3WWG
http://members.home.net/ve3wwg