36 lines
1.3 KiB
OCaml
36 lines
1.3 KiB
OCaml
(* Copyright 2012 Tony Garnock-Jones <tonygarnockjones@gmail.com>. *)
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(* This file is part of Hop. *)
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(* Hop is free software: you can redistribute it and/or modify it *)
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(* under the terms of the GNU General Public License as published by the *)
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(* Free Software Foundation, either version 3 of the License, or (at your *)
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(* option) any later version. *)
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(* Hop is distributed in the hope that it will be useful, but *)
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(* WITHOUT ANY WARRANTY; without even the implied warranty of *)
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(* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *)
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(* General Public License for more details. *)
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(* You should have received a copy of the GNU General Public License *)
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(* along with Hop. If not, see <http://www.gnu.org/licenses/>. *)
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open Lwt
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open Sexp
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let mtx = Lwt_mutex.create ()
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let write_to_log label body =
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Lwt_mutex.with_lock mtx (fun () ->
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try_lwt
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lwt () = Lwt_io.print label in
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lwt () = Lwt_io.print ": " in
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lwt () = output_sexp_human Lwt_io.stdout body in
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Lwt_io.printl ""
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with _ -> return ())
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let hook = ref write_to_log
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let info message args = (!hook) "info" (Arr (Sexp.str message :: args))
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let warn message args = (!hook) "warn" (Arr (Sexp.str message :: args))
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let error message args = (!hook) "error" (Arr (Sexp.str message :: args))
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