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(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2014 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
module type Task = sig
type task
(* Marshallable *)
type request
type response
val name : string (* UID of the task kind, for -toploop *)
val extra_env : unit -> string array
(* run by the master, on a thread *)
val request_of_task : task -> request option
val use_response : task -> response -> [ `Die | `Stay | `StayReset ]
val on_marshal_error : string -> task -> unit
val on_slave_death : task option -> [ `Exit of int | `Stay ]
val on_task_cancellation_or_expiration : task option -> unit
val forward_feedback : Stateid.t -> Feedback.feedback_content -> unit
(* run by the worker *)
val perform : request -> response
(* debugging *)
val name_of_task : task -> string
val name_of_request : request -> string
end
type cancel_switch = bool ref
module Make(T : Task) : sig
(* Number of workers, 0 = lazy local *)
val init : int -> unit
val n_workers : unit -> int
val enqueue_task : T.task -> cancel_switch -> unit
(* blocking function that waits for the task queue to be empty *)
val join : unit -> unit
(* slave process main loop *)
val slave_main_loop : (unit -> unit) -> unit
val slave_init_stdout : unit -> unit
val cancel_worker : string -> unit
val reorder_tasks : (T.task -> T.task -> int) -> unit
val dump : unit -> T.task list
end
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