diff options
Diffstat (limited to 'plugins/micromega/persistent_cache.ml')
| -rw-r--r-- | plugins/micromega/persistent_cache.ml | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/plugins/micromega/persistent_cache.ml b/plugins/micromega/persistent_cache.ml index 6a03e2d6..0e6d346a 100644 --- a/plugins/micromega/persistent_cache.ml +++ b/plugins/micromega/persistent_cache.ml @@ -92,7 +92,7 @@ let read_key_elem inch = Some (Marshal.from_channel inch) with | End_of_file -> None - | e when Errors.noncritical e -> raise InvalidTableFormat + | e when CErrors.noncritical e -> raise InvalidTableFormat (** We used to only lock/unlock regions. @@ -212,9 +212,11 @@ let find t k = res let memo cache f = - let tbl = lazy (open_in cache) in - fun x -> - let tbl = Lazy.force tbl in + let tbl = lazy (try Some (open_in cache) with _ -> None) in + fun x -> + match Lazy.force tbl with + | None -> f x + | Some tbl -> try find tbl x with |