From c72b0d76d607482bccf12e7193a4d1a777815b91 Mon Sep 17 00:00:00 2001
From: Enrico Tassi <enrico.tassi@inria.fr>
Date: Fri, 4 Nov 2005 16:30:33 +0000
Subject: [PATCH] added calbback to make the profiler silent

---
 helm/ocaml/extlib/hExtlib.ml  | 11 ++++++++---
 helm/ocaml/extlib/hExtlib.mli |  1 +
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/helm/ocaml/extlib/hExtlib.ml b/helm/ocaml/extlib/hExtlib.ml
index c09dcf2c1..c66236e43 100644
--- a/helm/ocaml/extlib/hExtlib.ml
+++ b/helm/ocaml/extlib/hExtlib.ml
@@ -26,11 +26,15 @@
 
 (** PROFILING *)
 
+(* we should use a key in te registry, but we can't see the registry.. *)
 let profiling_enabled = true
 
+let profiling_printings = ref (fun () -> true)
+let set_profiling_printings f = profiling_printings := f
+
 type profiler = { profile : 'a 'b. ('a -> 'b) -> 'a -> 'b }
 let profile ?(enable = true) =
- if profiling_enabled && enable then
+ if profiling_enabled  && enable then
   function s ->
    let total = ref 0.0 in
    let profile f x =
@@ -48,8 +52,9 @@ let profile ?(enable = true) =
    in
    at_exit
     (fun () ->
-      print_endline
-       ("!! TOTAL TIME SPENT IN " ^ s ^ ": " ^ string_of_float !total));
+      if !profiling_printings () then
+        prerr_endline
+         ("!! TOTAL TIME SPENT IN " ^ s ^ ": " ^ string_of_float !total));
    { profile = profile }
  else
   function _ -> { profile = fun f x -> f x }
diff --git a/helm/ocaml/extlib/hExtlib.mli b/helm/ocaml/extlib/hExtlib.mli
index 6e0484b87..d12c042f5 100644
--- a/helm/ocaml/extlib/hExtlib.mli
+++ b/helm/ocaml/extlib/hExtlib.mli
@@ -74,4 +74,5 @@ type profiler = { profile : 'a 'b. ('a -> 'b) -> 'a -> 'b }
   (** @return a profiling function; [s] is used for labelling the total time at
    * the end of the execution *)
 val profile : ?enable:bool -> string -> profiler
+val set_profiling_printings : (unit -> bool) -> unit
 
-- 
2.39.2