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At Thu, 5 Jul 2007 18:08:42 -0400 (EDT), der Mouse wrote:
Subject: Re: Proposal: socketfrom()
>=20
> Does it?  accept() currently, I think, inherits options settings and
> such from the listening socket (and thus already has a template socket
> built in).  There's no need to setsockopt on accept()-created sockets
> unless you want the new connection's socket to have different options
> from those on the listening socket - which basically means, there's
> some option with meaning both for listening and connected sockets, but
> you want them different.  I'm having trouble thinking of an example,
> but that could just be betraying my ignorance of the variety of socket
> options out there.

I'm not even sure that sockets returned from accept() do in fact inherit
their options from the listening socket.  A quick browse of the accept()
code and annotations in TCP/IP Illustrated Vol2 suggests not, but I may
be mistaken.

Perhaps SO_KEEPALIVE and maybe SO_DEBUG would be set only on the
accept()ed sockets, or maybe even only on some of them?  I dunno -- I'm
just grasping at examples out of thin air.

There's also the potential need to adjust buffer sizes and hi/lo-water
marks, timeouts, etc., all on a per-accept() basis, though again I'm
just thinking out loud....

--=20
						Greg A. Woods

H:+1 416 218-0098 W:+1 416 489-5852 x122 VE3TCP RoboHack <woods@robohack.ca>
Planix, Inc. <woods@planix.com>       Secrets of the Weird <woods@weird.com>

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