From d8202af0887825d236c3e11704f266d8282c8aa7 Mon Sep 17 00:00:00 2001
From: Enrico Tassi
Date: Mon, 10 Feb 2014 18:00:51 +0100
Subject: Timeout and Set Default Timeout fixed (closes: #3229)

---
 toplevel/vernacentries.ml | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/toplevel/vernacentries.ml b/toplevel/vernacentries.ml
index ae6ca4d388..51fbbc47bb 100644
--- a/toplevel/vernacentries.ml
+++ b/toplevel/vernacentries.ml
@@ -1818,9 +1818,10 @@ let set_timeout n =
   Some psh
 
 let default_set_timeout () =
-  match !current_timeout with
-    | Some n -> set_timeout n
-    | None -> None
+  match !current_timeout, !default_timeout with
+    | Some n, _ -> set_timeout n
+    | None, Some n -> set_timeout n
+    | None, None -> None
 
 let restore_timeout = function
   | None -> ()
@@ -1828,7 +1829,8 @@ let restore_timeout = function
     (* stop alarm *)
     ignore(Unix.alarm 0);
     (* restore handler *)
-    Sys.set_signal Sys.sigalrm psh
+    Sys.set_signal Sys.sigalrm psh;
+    current_timeout := None
 
 let locate_if_not_already loc exn =
   match Loc.get_loc exn with
@@ -1902,6 +1904,12 @@ let interp ?(verbosely=true) ?proof (loc,c) =
             restore_timeout psh;
             Flags.program_mode := orig_program_mode;
             raise e
+          | Timeout as reraise ->
+            let e = Errors.push reraise in
+            let e = locate_if_not_already loc e in
+            restore_timeout psh;
+            Flags.program_mode := orig_program_mode;
+            raise e
   in
     if verbosely then Flags.verbosely (aux false) c
     else aux false c
-- 
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