Re: [Xen-devel] [PATCH] ocaml/xs: prefer using character device

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Wed, 2015-09-02 at 09:50 +0000, Dave Scott wrote:
> Looks fine to me.
> 
> Acked-by: David Scott <dave.scott@xxxxxxxxxx>

Applied.

> 
> > On 1 Sep 2015, at 19:34, Doug Goldstein <cardoe@xxxxxxxxxx> wrote:
> > 
> > Since 9c89dc95201ffed5fead17b35754bf9440fdbdc0 libxenstore prefers 
> > using
> > /dev/xen/xenbus over /proc/xen/xenbus. This makes the OCaml xenstore
> > library contain the same preference.
> > 
> > Signed-off-by: Doug Goldstein <cardoe@xxxxxxxxxx>
> > ---
> > tools/ocaml/libs/xs/xs.ml | 8 +++++++-
> > 1 file changed, 7 insertions(+), 1 deletion(-)
> > 
> > diff --git a/tools/ocaml/libs/xs/xs.ml b/tools/ocaml/libs/xs/xs.ml
> > index 5757571..7e14487 100644
> > --- a/tools/ocaml/libs/xs/xs.ml
> > +++ b/tools/ocaml/libs/xs/xs.ml
> > @@ -162,7 +162,13 @@ let daemon_open () =
> >     with _ -> raise Failed_to_connect
> > 
> > let domain_open () =
> > -   let path = "/proc/xen/xenbus" in
> > +   let path = try
> > +           let devpath = "/dev/xen/xenbus" in
> > +           Unix.access devpath [ Unix.F_OK ];
> > +           devpath
> > +   with Unix.Unix_error(_, _, _) ->
> > +           "/proc/xen/xenbus" in
> > +
> >     let fd = Unix.openfile path [ Unix.O_RDWR ] 0o550 in
> >     Unix.set_close_on_exec fd;
> >     make fd

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