lib/celluloid/pool_manager.rb in celluloid-0.15.2 vs lib/celluloid/pool_manager.rb in celluloid-0.16.0.pre

@@ -8,10 +8,10 @@
     include Celluloid
     trap_exit :__crash_handler__
     finalizer :__shutdown__
 
     def initialize(worker_class, options = {})
-      @size = options[:size] || [Celluloid.cores, 2].max
+      @size = options[:size] || [Celluloid.cores || 2, 2].max
       raise ArgumentError, "minimum pool size is 2" if @size < 2
 
       @worker_class = worker_class
       @args = options[:args] ? Array(options[:args]) : []