Re: raw sockets and blocking

[Hasso Tepper]

Paul Jakma wrote:
> On Thu, 19 Feb 2004, Jamie Lokier wrote:
> > 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?
>
> We're select() driven, so the problem is not that the process
> literally blocks and sleeps, its that the socket never becomes
> ready to write again.

And maybe it makes sense to mention that all packets ospf daemon sends 
to actually down ethernet interface are multicast packets.

-- 
Hasso Tepper
Elion Enterprises Ltd.
WAN administrator
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