Execute shutdown event async from rest of system shutdown, fixes #2635

Changes.md

@@ -1,5 +1,10 @@
 # Sidekiq Changes
 
+3.5.3
+-----------
+
+- Adjust shutdown event to run in parallel with the rest of system shutdown. [#2635]
+
 3.5.2
 -----------
 

lib/sidekiq/cli.rb

@@ -94,7 +94,6 @@ module Sidekiq
       rescue Interrupt
         logger.info 'Shutting down'
         launcher.stop
-        fire_event(:shutdown, true)
         # Explicitly exit so busy Processor threads can't block
         # process shutdown.
         exit(0)

lib/sidekiq/launcher.rb

@@ -52,6 +52,7 @@ module Sidekiq
         poller.terminate if poller.alive?
 
         manager.async.stop(:shutdown => true, :timeout => @options[:timeout])
+        fire_event(:shutdown, true)
         @condvar.wait
         manager.terminate
 

lib/sidekiq/version.rb

@@ -1,3 +1,3 @@
 module Sidekiq
-  VERSION = "3.5.2"
+  VERSION = "3.5.3"
 end