1 files changed, 13 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/reloadable.rb b/activesupport/lib/active_support/reloadable.rb
index fca397afeb..49e6442a37 100644
--- a/activesupport/lib/active_support/reloadable.rb
+++ b/activesupport/lib/active_support/reloadable.rb
@@ -1,4 +1,17 @@
 # Classes that include this module will automatically be reloaded
 # by the Rails dispatcher when Dependencies.mechanism = :load.
 module Reloadable
+  class << self
+    def included(base) #nodoc:
+      if base.is_a?(Class) && ! base.respond_to?(:reloadable?)
+        class << base
+          define_method(:reloadable?) { true }
+        end
+      end
+    end
+    
+    def reloadable_classes
+      included_in_classes.select { |klass| klass.reloadable? }
+    end
+  end
 end
 \ No newline at end of file