ioctl() on socket fd's take 3 seconds on 1.7.7

Jason Curl
Wed Nov 24 13:24:00 GMT 2010

Corinna Vinschen <corinna-cygwin <at>> writes:

> > I tried to understand what this flag is for. As far as I can
> > understand, windows will always reply to ARP requests. There's a
> > registry entry for "gratuitous arp". So doesn't that imply IFF_NOARP
> > will be set for all interfaces?
> You mean, it should *not* be set for all interface, don't you?
> PPP and SLIP interfaces usually don't do ARP, so I just set the
> flag for them unconditionally.

Yes - it should *not* be set for all interfaces, except SLIP, PPP as you've
previously mentioned.


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