336     proc = subprocess.Popen(
338     (out, err) = proc.communicate()
344 def _assert_subprocess_running(proc):  argument
353     ret = proc.poll()
355         out, err = proc.communicate()
357                             " stdout: %s" % (proc.pid, ret, err, out))
396 def kill_process_group(proc, signal_no=signal.SIGTERM):  argument
409     pid = proc.pid
447         proc = subprocess.Popen(
454         proc = subprocess.Popen(
463         _assert_subprocess_running(proc)
464     return proc
467 def stop_standing_subprocess(proc, signal_no=signal.SIGTERM):  argument
477     logging.debug("Stop standing subprocess %d", proc.pid)
478     _assert_subprocess_running(proc)
479     kill_process_group(proc, signal_no)
482 def wait_for_standing_subprocess(proc, timeout=None):  argument
502     proc.wait(timeout)