# File lib/raemon/util.rb, line 6
    def self.tmpio
      begin
        fp = File.open(File.join(Dir.tmpdir, rand.to_s),
                       File::RDWR | File::CREAT | File::EXCL, 0600)
      rescue Errno::EEXIST
        retry
      end

      File.unlink(fp.path)
      fp.binmode
      fp.sync = true
      fp
    end