ocaml/otherlibs/labltk/frx/frx_fileinput.ml

40 lines
1.4 KiB
OCaml

(***********************************************************************)
(* *)
(* MLTk, Tcl/Tk interface of OCaml *)
(* *)
(* Francois Rouaix, Francois Pessaux, Jun Furuse and Pierre Weis *)
(* projet Cristal, INRIA Rocquencourt *)
(* Jacques Garrigue, Kyoto University RIMS *)
(* *)
(* Copyright 2002 Institut National de Recherche en Informatique et *)
(* en Automatique and Kyoto University. All rights reserved. *)
(* This file is distributed under the terms of the GNU Library *)
(* General Public License, with the special exception on linking *)
(* described in file LICENSE found in the OCaml source tree. *)
(* *)
(***********************************************************************)
open Camltk
let version = "$Id$"
(*
* Simple spooling for fileinput callbacks
*)
let waiting_list = Queue. new()
and waiting = ref 0
and max_open = ref 10
and cur_open = ref 0
let add fd f =
if !cur_open < !max_open then begin
incr cur_open;
add_fileinput fd f
end
else begin
incr waiting;
Queue.add (fd,f) waiting_list
end
let remove fd =