From: Marc Lehmann <schmorp@schmorp.de>
To: linux-kernel@vger.kernel.org
Subject: Re: read returns EAGAIN on a _blocking_ socket, but should not? (solved)
Date: Sun, 25 Dec 2005 17:17:30 +0100 [thread overview]
Message-ID: <20051225161730.GA21379@schmorp.de> (raw)
In-Reply-To: <20051225151611.GA20443@schmorp.de>
On Sun, Dec 25, 2005 at 04:16:11PM +0100, Marc Lehmann <schmorp@schmorp.de> wrote:
> Hi!
>
> The SuS documents EAGAIN for read(2) as:
Argl, false alarm, very very sorry :(
> sendmsg(3, {msg_name(0)=NULL, msg_iov(1)=[{"\0", 1}], msg_controllen=20, {cmsg_len=20, cmsg_level=SOL_SOCKET, cmsg_type=SCM_RIGHTS, {3}}, msg_flags=MSG_OOB|MSG_DONTROUTE}, 0) = 1
Due to a bug, this sendmsg call passes the wrong fd (3), which the other
process then sets to non-blocking.
Again, sorry :(
--
The choice of a
-----==- _GNU_
----==-- _ generation Marc Lehmann
---==---(_)__ __ ____ __ pcg@goof.com
--==---/ / _ \/ // /\ \/ / http://schmorp.de/
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prev parent reply other threads:[~2005-12-25 16:17 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-25 15:16 read returns EAGAIN on a _blocking_ socket, but should not? Marc Lehmann
2005-12-25 16:17 ` Marc Lehmann [this message]
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