class Servolux::Daemon

def pid_file=( value )

Raises an ArgumentError if the `value` cannot be used as a PID file.

value - The PID file name or a PidFile instance.

instance.
it is used. If a name is given, then that name is used to create a PifFile
Set the PID file to the given `value`. If a PidFile instance is given, then 
def pid_file=( value )
  @pid_file =
    case value
    when Servolux::PidFile
      value
    when String
      path = File.dirname(value)
      fn = File.basename(value, ".pid")
      Servolux::PidFile.new(:name => fn, :path => path, :logger => logger)
    else
      raise ArgumentError, "#{value.inspect} cannot be used as a PID file"
    end
end