Publish AS::Executor and AS::Reloader APIs

These should allow external code to run blocks of user code to do
"work", at a similar unit size to a web request, without needing to get
intimate with ActionDipatch.

1 files changed, 6 insertions, 8 deletions

diff --git a/activesupport/lib/active_support/dependencies/interlock.rb b/activesupport/lib/active_support/dependencies/interlock.rb
index 47bcecbb35..f1865ca2f8 100644
--- a/activesupport/lib/active_support/dependencies/interlock.rb
+++ b/activesupport/lib/active_support/dependencies/interlock.rb
@@ -19,14 +19,12 @@ module ActiveSupport #:nodoc:
         end
       end
 
-      # Attempt to obtain an "unloading" (exclusive) lock. If possible,
-      # execute the supplied block while holding the lock. If there is
-      # concurrent activity, return immediately (without executing the
-      # block) instead of waiting.
-      def attempt_unloading
-        @lock.exclusive(purpose: :unload, compatible: [:load, :unload], after_compatible: [:load, :unload], no_wait: true) do
-          yield
-        end
+      def start_unloading
+        @lock.start_exclusive(purpose: :unload, compatible: [:load, :unload])
+      end
+
+      def done_unloading
+        @lock.stop_exclusive(compatible: [:load, :unload])
       end
 
       def start_running