Source file mirage_console.ml

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(*
 * Copyright (c) 2011-present Anil Madhavapeddy <anil@recoil.org>
 * Copyright (c) 2013-present Thomas Gazagnaire <thomas@gazagnaire.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *)

(** Console signature for MirageOS *)

(** Console signature. *)
module type S = sig
  include Mirage_device.S

  include Mirage_flow.S with
      type 'a io  := 'a io
  and type flow   := t

  val log: t -> string -> unit io
  (** [log t str] writes [str] to the console [t], appending appropriate line
      endings.  If {!close} was called on the console before, [str] is discarded
      silently.
  *)
end