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-rw-r--r--actionpack/lib/action_dispatch/middleware/load_interlock.rb12
1 files changed, 12 insertions, 0 deletions
diff --git a/actionpack/lib/action_dispatch/middleware/load_interlock.rb b/actionpack/lib/action_dispatch/middleware/load_interlock.rb
new file mode 100644
index 0000000000..cbe8d750fe
--- /dev/null
+++ b/actionpack/lib/action_dispatch/middleware/load_interlock.rb
@@ -0,0 +1,12 @@
+require 'active_support/dependencies'
+require 'rack/lock'
+
+module ActionDispatch
+ class LoadInterlock < ::Rack::Lock
+ FLAG = 'activesupport.dependency_race'.freeze
+
+ def initialize(app, mutex = ::ActiveSupport::Dependencies.interlock)
+ super
+ end
+ end
+end