package ocaml-solo5

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OCaml cross-compiler to the freestanding Solo5 backend

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dune-project
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Sources

v1.3.3.tar.gz
md5=47876167068345542f49279e8fd28896
sha512=272081ec51a6ed69c08e4e8fa64fee3df53fd84c66c0c07a653891c88b342cf74553e1c95711e4fbc18922c899a3448a649f3bd9858f8d89cae834ad2b67fffb

doc/src/stdlib/mutex.ml.html

Source file mutex.ml

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(**************************************************************************)
(*                                                                        *)
(*                                 OCaml                                  *)
(*                                                                        *)
(*           Xavier Leroy and Pascal Cuoq, INRIA Rocquencourt             *)
(*                                                                        *)
(*   Copyright 1995 Institut National de Recherche en Informatique et     *)
(*     en Automatique.                                                    *)
(*                                                                        *)
(*   All rights reserved.  This file is distributed under the terms of    *)
(*   the GNU Lesser General Public License version 2.1, with the          *)
(*   special exception on linking described in the file LICENSE.          *)
(*                                                                        *)
(**************************************************************************)

type t
external create: unit -> t = "caml_ml_mutex_new"
external lock: t -> unit = "caml_ml_mutex_lock"
external try_lock: t -> bool = "caml_ml_mutex_try_lock"
external unlock: t -> unit = "caml_ml_mutex_unlock"

(* private re-export *)
external reraise : exn -> 'a = "%reraise"

(* cannot inline, otherwise flambda might move code around. *)
let[@inline never] protect m f =
  lock m;
  match f() with
  | x ->
    unlock m; x
  | exception e ->
    (* NOTE: [unlock] does not poll for asynchronous exceptions *)
    unlock m;
    reraise e