external is_launching : t -> bool = "ocaml_guestfs_is_launching"
external is_busy : t -> bool = "ocaml_guestfs_is_busy"
external get_state : t -> int = "ocaml_guestfs_get_state"
+external set_busy : t -> unit = "ocaml_guestfs_set_busy"
+external set_ready : t -> unit = "ocaml_guestfs_set_ready"
external mount : t -> string -> string -> unit = "ocaml_guestfs_mount"
external sync : t -> unit = "ocaml_guestfs_sync"
external touch : t -> string -> unit = "ocaml_guestfs_touch"