275 def run_bg(command, termination_func=None, output_func=None, output_prefix="",  argument
300                    output_func=output_func,
310 def run_fg(command, output_func=None, output_prefix="", timeout=1.0):  argument
332     process = run_bg(command, None, output_func, output_prefix, timeout)
667                  output_func=None, output_params=(), output_prefix=""):  argument
704         self.output_func = output_func
710         if termination_func or output_func:
717                                               self.output_func,
744     def set_output_func(self, output_func):  argument
751         self.output_func = output_func
752         if output_func and not self.tail_thread:
783                 self.output_func(*params)
807                     if self.output_func:
861                  output_func=None, output_params=(), output_prefix=""):  argument
894                       output_func, output_params, output_prefix)
1077                  output_func=None, output_params=(), output_prefix="",  argument
1112                         output_func, output_params, output_prefix)