From: Eric Lemoine <Eric.Lemoine@ens-lyon.fr>
To: kuznet@ms2.inr.ac.ru
Cc: Chris Friesen <cfriesen@nortelnetworks.com>,
hadi@cyberus.CA, netdev@oss.sgi.com
Subject: Re: PATCH Re: udp weirdness
Date: Wed, 2 Oct 2002 13:13:26 +0200 [thread overview]
Message-ID: <20021002111326.GG357@hookipa> (raw)
In-Reply-To: <200210011531.TAA19943@sex.inr.ac.ru>
> > I may have to poke around...if nothing else I'll learn more about the
> > networking code...
>
> It is difficult task, if possible at all.
>
> The main obstacle is that we must not block after select() succeeded,
> otherwise applications will lockup. Taking into account nature of datagram
> services (and generally of networking services, where routes change et al.)
> you do not know at time of select(), where the datagram will go.
> So, blocking can be made only based on a criterium not depending on this.
> problems with silent losses. People just do not care about this, so
> they get the thing which they deserve.
Alexey,
Would you mind explaining a bit more why apps will lockup if we block
after select() succeeded. Or anyone?
Thx.
Eric.
next prev parent reply other threads:[~2002-10-02 11:13 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-24 6:50 udp weirdness Eric Lemoine
2002-09-27 12:02 ` Eric Lemoine
2002-09-27 14:53 ` jamal
2002-09-27 15:04 ` Matti Aarnio
2002-09-29 14:47 ` jamal
2002-09-30 8:49 ` Eric Lemoine
2002-09-30 11:09 ` jamal
2002-09-30 12:10 ` jamal
2002-09-30 12:23 ` jamal
2002-10-01 0:22 ` PATCH " jamal
2002-10-01 6:35 ` Eric Lemoine
2002-10-01 9:51 ` jamal
2002-10-01 13:53 ` kuznet
2002-10-01 14:14 ` jamal
2002-10-01 14:26 ` Chris Friesen
2002-10-01 14:40 ` kuznet
2002-10-01 14:52 ` Chris Friesen
2002-10-01 15:31 ` kuznet
2002-10-01 16:16 ` Chris Friesen
2002-10-01 16:41 ` kuznet
2002-10-01 17:17 ` Chris Friesen
2002-10-01 16:42 ` Ben Greear
2002-10-01 16:58 ` Chris Friesen
2002-10-01 17:55 ` jamal
2002-10-01 18:36 ` Chris Friesen
2002-10-01 18:35 ` jamal
2002-10-01 18:54 ` Ben Greear
2002-10-01 19:03 ` Chris Friesen
2002-10-01 18:52 ` Ben Greear
2002-10-02 11:13 ` Eric Lemoine [this message]
2002-10-02 14:09 ` Chris Friesen
2002-10-02 15:25 ` Ben Greear
2002-10-03 15:58 ` Eric Lemoine
2002-10-03 16:29 ` kuznet
2002-09-27 15:19 ` Eric Lemoine
2002-09-27 15:57 ` Eric Lemoine
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