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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups: comp.lang.ada
Subject: Re: What exactly is the licensing situation with GNAT?
Date: Sat, 15 Nov 2014 10:29:15 +0100
Organization: cbb software GmbH
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Date: 2014-11-15T10:29:15+01:00
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On Fri, 14 Nov 2014 16:29:59 -0600, Randy Brukardt wrote:

> I've been using Claw.Sockets for so long that I don't know what the 
> underlying implementation is. So I don't know what "select" is used for or 
> whether it's implemented in NC_Sockets. Claw.Sockets has a server type 
> that's used for implemented servers (like web and mail servers).

Select() is essential for heavy duty and light weight servers as it allows
one task to handle multiple sockets without blocking. AdaSockets, the only
alternative to GNAT.Sockets I know, does not support select.

(I don't know if AWS uses blocking sockets for its server or socket-select)

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de