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(***********************************************************************)
(* *)
(* OCaml *)
(* *)
(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
(* *)
(* Copyright 1996 Institut National de Recherche en Informatique et *)
(* en Automatique. All rights reserved. This file is distributed *)
(* under the terms of the Q Public License version 1.0. *)
(* *)
(***********************************************************************)
let output_lock = Mutex.create()
let rec fib n = if n <= 2 then 1 else fib(n-1) + fib(n-2)
let fibtask n =
while true do
Mutex.lock output_lock;
print_int(fib n); print_newline();
Mutex.unlock output_lock
done
let _ =
Thread.create fibtask 28;
Thread.delay 1.0;
while true do
let l = read_line () in
Mutex.lock output_lock;
print_string ">> "; print_string l; print_newline();
Mutex.unlock output_lock
done
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