lib/celluloid/cpu_counter.rb in celluloid-0.11.1 vs lib/celluloid/cpu_counter.rb in celluloid-0.12.0.pre

@@ -5,9 +5,11 @@
     case RbConfig::CONFIG['host_os'][/^[A-Za-z]+/]
     when 'darwin'
       @cores = Integer(`sysctl hw.ncpu`[/\d+/])
     when 'linux'
       @cores = File.read("/proc/cpuinfo").scan(/core id\s+: \d+/).uniq.size
+    when 'mingw', 'mswin'
+      @cores = Integer(`SET NUMBER_OF_PROCESSORS`[/\d+/])
     else
       @cores = nil
     end
 
     def self.cores; @cores; end