Re: 18/36: services: hurd: Add dummy loopback.

["Ludovic Courtès" <ludo@gnu.org>]

guix-commits@gnu.org skribis:

> +(define (hurd-loopback-shepherd-service _)
> +  "Return the 'loopback' Shepherd service."
> +
> +  (list (shepherd-service
> +         (documentation "Dummy for bootstrapping (gnu services) on the Hurd.")
> +         (provision '(loopback))
> +         (requirement '())
> +         (start #~(const #t))
> +         (stop #~(const #t))
> +         (respawn? #f))))
> +
> +(define hurd-loopback-service-type
> +  (service-type
> +   (name 'loopback)
> +   (extensions (list (service-extension shepherd-root-service-type
> +                                        hurd-loopback-shepherd-service)))
> +   (compose concatenate)
> +   (extend first-of-two)
> +   (default-value '(loopback)) ;canary for hurd-service->shepherd-service
> +   (description "Dummy service to bootstrap (gnu services) on the
> +Hurd.")))

I believe the code currently used in ‘static-networking-service’ to
setup the loopback device on GNU/Linux should also work on GNU/Hurd: it
uses the “traditional” ioctls provided by (guix build syscalls).

So hopefully we don’t need a Hurd-specific variant.

Ludo’.