playing around with showing the list of untested files when the user hits ctrl-c

lib/hydra/master.rb

@@ -29,6 +29,17 @@ module Hydra #:nodoc:
     # * :autosort
     #   * Set to false to disable automatic sorting by historical run-time per file
     def initialize(opts = { })
+      #at_exit do
+      trap("SIGINT") do
+        begin
+          puts "Testing halted by user.  Untested files:"
+          puts @incomplete_files.join("\n")
+          #shutdown_all_workers
+        rescue
+          puts $!.inspect
+          puts $!.backtrace.join("\n")
+        end
+      end 
       opts.stringify_keys!
       config_file = opts.delete('config') { nil }
       if config_file
@@ -155,6 +166,7 @@ module Hydra #:nodoc:
         worker[:io].close if worker[:io] 
       end
       @listeners.each{|t| t.exit}
+      trace "Workers shut down"
     end
 
     def process_messages

lib/hydra/messaging_io.rb

@@ -14,7 +14,7 @@ module Hydra #:nodoc:
       return Message.build(eval(message.chomp))
     rescue SyntaxError, NameError
       # uncomment to help catch remote errors by seeing all traffic
-      #$stderr.write "Not a message: [#{message.inspect}]\n"
+      $stderr.write "Not a message: [#{message.inspect}]\n"
       return gets
     end
 
@@ -26,6 +26,8 @@ module Hydra #:nodoc:
       raise UnprocessableMessage unless message.is_a?(Hydra::Message)
       @writer.write(message.serialize+"\n")
     rescue Errno::EPIPE
+      $stderr.write $!.inspect
+      $stderr.write $!.backtrace.join("\n")
       raise IOError
     end