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SubjectRe: UDP recvmsg blocks after select(), 2.6 bug?
On Thu, 7 Oct 2004 02:19:37 +0200
Olivier Galibert <galibert@pobox.com> wrote:

> On Wed, Oct 06, 2004 at 04:35:21PM -0700, David S. Miller wrote:
> > On Wed, 6 Oct 2004 22:06:08 +0200
> > Olivier Galibert <galibert@pobox.com> wrote:
> >
> > > On Wed, Oct 06, 2004 at 12:43:27PM -0700, Hua Zhong wrote:
> > > > How hard is it to treat the next read to the fd as NON_BLOCKING, even if
> > > > it's not set?
> > >
> > > Programs don't expect EAGAIN from blocking sockets.
> >
> > That's right, which is why we block instead.
>
> Programs don't expect a read to block after a positive select either,
> so it doesn't really help.

It absolutely does help the programs not using select(), using
blocking sockets, and not expecting -EAGAIN.
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