Ensure not to use old concurrent-ruby

y-yagi · y-yagi · commit 43c9805bf4db · 2024-08-16T16:39:41.000+09:00
It seems that some users encounter with a negative values issue of `Concurrent.available_processor_count`. #349 (comment) To avoid the issue, this PR ensure not to use old `concurrent-ruby`. This PR also removes considering of `NoMethodError` because we can assume to use `available_processor_count` always.
diff --git a/lib/parallel.rb b/lib/parallel.rb
@@ -697,9 +697,10 @@ def instrument_start(item, index, options)
     end
 
     def available_processor_count
+      gem 'concurrent-ruby', '>= 1.3.4'
       require 'concurrent-ruby'
       Concurrent.available_processor_count.floor
-    rescue LoadError, NoMethodError
+    rescue LoadError
       require 'etc'
       Etc.nprocessors
     end
