On Tue, 7 Aug 2007 14:31:34 +0200,
"Kay Sievers" <[email protected]> wrote:
> > > How do you check if events have been "handled"? None of the recent
> > > distros uses /sbin/hotplug anymore. Netlink events are broadcasted,
> > > but no failure in delivery doesn't mean anything like "handled", or
> > > delivered to the right instance. Even if you check that the netlink
> > > socket has listeners, that wouldn't be sufficient to tell that is is
> > > handled.
> >
> > You can't check if it's been handled, yes; but you can certainly check
> > if you delivered it.
>
> The broadcast returns a failure when nobody received the message?
To my understanding, netlink_broadcast() returns 0 if the message was
delivered to someone, -ENOBUFS in case of failure and -ESRCH if nobody
listened.
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