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~/NetBeansProjects/jruby ➔ cat vm_thing.rb require 'jruby/vm' child_vm = JRuby::VM.spawn('-e', <<'END') puts "in child: #{JRuby::VM_ID}" parent = JRuby::VM.get_message puts "parent = #{parent}" JRuby::VM.send_message(parent, JRuby::VM_ID) END puts "in parent: #{JRuby::VM_ID}" child_vm.send(JRuby::VM_ID) child = JRuby::VM.get_message puts "child = #{child}" puts child_vm.stdout.read ~/NetBeansProjects/jruby ➔ jruby vm_thing.rb in parent: 7214088 child = 22527820 in child: 22527820 parent = 7214088

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