bhyve: allow specifiying tty by fd
novel at FreeBSD.org
Sun Apr 13 15:08:42 UTC 2014
Peter Grehan wrote:
> Hi Roman,
> >>> bhyve <snip> -s 31,lpc -l com1,fd=19 vm0
> >> Yes, useful idea, and will become more relevant in the capsicum world
> >> of passing fd's to a sandboxed bhyve.
> >> Thanks: I'll get this submitted.
> > Hi Peter!
> > Any news on that?
> I started to do it, and then hesitated bit for two reasons. First,
> it's useful for all backends, but there still needs to be a type - file
> descriptors can't be treated as something opaque: there still needs to
> be knowledge of whether it's a socket, char device, file etc, so the
> option may need additional information to describe that.
Could it be an additional comma separated option? E.g.:
> Also, given that Capsicum wants to pass fd's as parameters, I was
> wondering if there is a general syntax style for doing this. "fd=%d"
> seems Ok, though it would be useful if there was something in libutil to
> parse an option like this if it is the preferred way forward for FreeBSD
> What do folk think ? Any useful precedents ?
Off the top of my head I cannot recall such an example in the tree.
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