Re: pcap_t not writeable on OpenBSD

[Sam Roberts <vieuxtech () gmail com>]

On Mon, Jan 9, 2012 at 8:49 PM, Fernando Gont <fernando () gont com ar> wrote:
> I'm doing I/O multiplexing with the pcap descriptor, and it turns out
> that on OpenBSD the underlying descriptor for a pcap_t is never writeable.
> Note: No problems in Linux and FreeBSD -- so far only in OpenBSD.

Are you capturing, or injecting? Shouldn't you be waiting for it to be
readable for capture?

For injection, on linux anyhow, a PF_PACKET device is always
writeable, but I'm pretty sure it discards packets if you write too
fast.

Cheers,
Sam
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