Synchronize incrementing of completed_task_count

brandonhilkert · brandonhilkert · commit ebb63d3b10d7 · 2015-10-19T10:44:33.000-04:00
diff --git a/lib/concurrent/executor/ruby_thread_pool_executor.rb b/lib/concurrent/executor/ruby_thread_pool_executor.rb
@@ -103,7 +103,7 @@ def worker_died(worker)
 
     # @!visibility private
     def worker_task_completed
-      @completed_task_count += 1
+      synchronize { @completed_task_count += 1 }
     end
 
     private
