From: Jamie Lokier <jamie@shareable.org>
To: Paul Jakma <paul@clubi.ie>
Cc: David Schwartz <davids@webmaster.com>,
hasso@estpak.ee, Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: raw sockets and blocking
Date: Thu, 19 Feb 2004 07:53:43 +0000 [thread overview]
Message-ID: <20040219075343.GA4113@mail.shareable.org> (raw)
In-Reply-To: <Pine.LNX.4.58.0402190622010.25392@fogarty.jakma.org>
Paul Jakma wrote:
> > It is, however, perfectly legal to say an operation can
> > complete without blocking (say, through 'select' or 'poll') and
> > later return EWOULDBLOCK. (So long as some operation could have
> > completed, not necessarily the one you tried.)
>
> Right. But that's fine, we can deal with that, if the error is
> posted.
>
> Problem is no error is posted when we sendmsg[1], yet the socket
> thereafter stays write-blocked, with (sane) way for us to recover.
I hate to check the obvious, but did you try setting the O_NONBLOCK
flag for the socket? Did you try setting the MSG_DONTWAIT flag for
the sendmsg operation?
-- Jamie
next prev parent reply other threads:[~2004-02-19 7:53 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-18 1:33 raw sockets and blocking Paul Jakma
2004-02-18 5:37 ` David Schwartz
2004-02-18 6:42 ` Hasso Tepper
2004-02-18 11:42 ` David Schwartz
2004-02-19 6:28 ` Paul Jakma
2004-02-19 7:53 ` Jamie Lokier [this message]
2004-02-19 8:34 ` Paul Jakma
2004-02-19 12:40 ` Hasso Tepper
2004-02-19 12:54 ` Paul Jakma
2004-03-22 7:14 ` Hasso Tepper
2004-02-18 8:43 ` Hasso Tepper
2004-02-19 6:20 ` Paul Jakma
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