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xenbus_utils.ml
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xenbus_utils.ml
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(*
* Copyright (C) 2006-2009 Citrix Systems Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; version 2.1 only. with the special
* exception on linking described in file LICENSE.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*)
open Xenstore
type state = Unknown | Initialising | InitWait | Initialised | Connected
| Closing | Closed
let int_of = function
| Unknown -> 0
| Initialising -> 1
| InitWait -> 2
| Initialised -> 3
| Connected -> 4
| Closing -> 5
| Closed -> 6
let of_int = function
| 0 -> Unknown
| 1 -> Initialising
| 2 -> InitWait
| 3 -> Initialised
| 4 -> Connected
| 5 -> Closing
| 6 -> Closed
| _ -> Unknown
let of_string x = of_int (int_of_string x)
let string_of x = string_of_int (int_of x)
let to_string_desc = function
| Unknown -> "unknown"
| Initialising -> "initialising"
| InitWait -> "initwait"
| Initialised -> "initialised"
| Connected -> "connected"
| Closing -> "closing"
| Closed -> "closed"
(** Allows a guest to read/write this node and children *)
let rwperm_for_guest domid =
(domid, Xsraw.PERM_NONE, [])
(** Dom0 can read/write this node and children, domU can only read children *)
let roperm_for_guest domid =
(0, Xsraw.PERM_NONE, [ (domid, Xsraw.PERM_READ) ])