class Net::SSH::Authentication::Pageant::Socket

def initialize

instance. If no such instance is running, this will cause an error.
Create a new instance that communicates with the running pageant 
def initialize
  @win = Win.FindWindow("Pageant", "Pageant")
  if @win == 0
    raise Net::SSH::Exception,
      "pageant process not running"
  end
  @res = nil
  @pos = 0
end