From: kuznet@ms2.inr.ac.ru
To: jmorris@intercode.com.au (James Morris)
Cc: mtk-lists@gmx.net, netdev@oss.sgi.com
Subject: Re: shutdown() and SHUT_RD on TCP sockets - broken?
Date: Tue, 8 Jul 2003 21:03:07 +0400 (MSD) [thread overview]
Message-ID: <200307081703.VAA13437@dub.inr.ac.ru> (raw)
In-Reply-To: <Mutt.LNX.4.44.0307090227050.9091-100000@excalibur.intercode.com.au> from "James Morris" at éÀÌ 09, 2003 02:28:12
Hello!
> blocks. I see that this also occurs on FreeBSD 4.8, Tru64 5.1B,
> HP/UX 11 and Solaris 8. Have I misunderstood Stevens,
Most likely, it is that rare case when Stevens forgot to check the statement.
>From viewpoint of TCP the behaviour described in Stevens' book
is highly unnatural. SHUT_RD on TCP does not make any sense.
> described here. But, why do things happen in this way on Linux?
Actually, you could check one more thing. What does happen after freebsd 4.8
returns 0 on read()? Does it open window eventually?
As you checked, all the stacks ignore SHUT_RD, when receiving data
and queue it anyway. And when read()ing Linux and, apparently Solaris,
prefer to return this data.
Alexey
next prev parent reply other threads:[~2003-07-08 17:03 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-08 16:09 shutdown() and SHUT_RD on TCP sockets - broken? mtk-lists
2003-07-08 16:28 ` James Morris
2003-07-08 17:03 ` kuznet [this message]
2003-07-08 16:55 ` Andi Kleen
-- strict thread matches above, loose matches on Subject: below --
2003-07-09 10:11 mtk-lists
2003-07-09 10:38 ` Andi Kleen
2003-07-01 11:23 mtk-lists
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