exe/voltos in voltos-0.3.0.rc7 vs exe/voltos in voltos-0.3.0.rc8

@@ -6,17 +6,23 @@
   Thread.new do
     loop { STDOUT.print stdout.getc }
   end
   Thread.new do
     loop do
-      input = Readline.readline("", true).strip
-      stdin.puts input
+      input = Readline.readline("", true)
+      if input.nil?
+        stdout.close
+        stdin.close
+      end
+      stdin.puts input.strip
     end
   end
   begin
     Process::waitpid(pid) rescue nil
   rescue SystemExit, Interrupt
     Process.kill('INT', pid)
     retry
+  rescue EOFError
+    puts "Ctrl-D"
   end
 end
 exit(status.to_i)