ligo/src/utils/lwt_exit.ml
2016-12-01 18:27:53 +01:00

24 lines
1000 B
OCaml

(**************************************************************************)
(* *)
(* Copyright (c) 2014 - 2016. *)
(* Dynamic Ledger Solutions, Inc. <contact@tezos.com> *)
(* *)
(* All rights reserved. No warranty, explicit or implicit, provided. *)
(* *)
(**************************************************************************)
exception Exit
let termination_thread, exit_wakener = Lwt.wait ()
let exit x = Lwt.wakeup exit_wakener x; raise Exit
let () =
Lwt.async_exception_hook :=
(function
| Exit -> ()
| exn ->
Printf.eprintf "Uncaught (asynchronous) exception: %S\n%s\n%!"
(Printexc.to_string exn) (Printexc.get_backtrace ());
Lwt.wakeup exit_wakener 1)