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(* Open Source License                                                       *)
(* Copyright (c) 2018 Dynamic Ledger Solutions, Inc. <contact@tezos.com>     *)
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(** A global thread that resumes the first time {!exit} is called
    anywhere in the program. Called by the main to wait for any other
    thread in the system to call {!exit}. *)
val termination_thread: int Lwt.t

(** Awakens the {!termination_thread} with the given return value, and
    raises an exception that cannot be caught, except by a
    catch-all. Should only be called once. *)
val exit: int -> 'a