-let direct_fifo_table: (string,(string*string*string*Unix.file_descr) option) Hashtbl.t = Hashtbl.create 1024
-let pidmap: (int,string*Unix.file_descr) Hashtbl.t = Hashtbl.create 1024
-
-let rec list_check lst elt =
- match lst with
- | [] -> false
- | car::cdr -> if (car==elt) then true else list_check cdr elt
+type in_pathname = string
+type directory = string
+type base_pathname = string
+type slice_name = string
+
+let direct_fifo_table: (in_pathname,(directory*base_pathname*slice_name*Unix.file_descr) option) Hashtbl.t =
+ Hashtbl.create 1024
+
+let pidmap: (int,in_pathname * Unix.file_descr) Hashtbl.t = Hashtbl.create 1024
+
+let move_gate fname =
+ let tmpfname=String.concat "." [fname;"tmp"] in
+ (* XXX add a check *)
+ Unix.rename fname tmpfname;
+ tmpfname
+
+let move_ungate fname restore =
+ (* XXX add a check *)
+ Unix.rename restore fname
+
+let list_check lst elt _ =
+ let rec list_check_rec lst =
+ match lst with
+ | [] -> false
+ | car::cdr ->
+ if (car==elt) then
+ true
+ else
+ list_check_rec cdr
+ in
+ list_check_rec lst