STM: move out a couple of submodules

These modules are not as reusable as one may want them to be, but
moving them out simplifies a little STM.

1 files changed, 30 insertions, 0 deletions

diff --git a/lib/workerPool.mli b/lib/workerPool.mli
new file mode 100644
index 0000000000..d7a546929f
--- /dev/null
+++ b/lib/workerPool.mli
@@ -0,0 +1,30 @@
+(************************************************************************)
+(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
+(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2012     *)
+(*   \VV/  **************************************************************)
+(*    //   *      This file is distributed under the terms of the       *)
+(*         *       GNU Lesser General Public License Version 2.1        *)
+(************************************************************************)
+
+module Make(Worker : sig
+  type process
+  val spawn :
+      ?prefer_sock:bool -> ?env:string array -> string -> string array ->
+      process * in_channel * out_channel
+end) : sig
+
+type worker_id = int
+type spawn =
+  args:string array -> env:string array -> unit ->
+    in_channel * out_channel * Worker.process
+
+val init :
+  size:int -> manager:(cancel:bool ref -> worker_id -> spawn -> unit) -> unit
+val is_empty : unit -> bool
+val n_workers : unit -> int
+val cancel : worker_id -> unit
+
+(* The worker should call this function *)
+val worker_handshake : in_channel -> out_channel -> unit
+
+end