message: alloy.py on Windows: use os._exit()
diff: @@ -944,6 +944,10 @@ def Main():
  except Exception as e:
  print_debug("Exception: " + str(e), False, stability_log)
  + if current_OS == "Windows":
  + # Windows hangs from time to time on exit, so returning without cleanup.
  + sys.stdout.flush()
  + os._exit(return_status)
  exit(return_status)
  ###Main###
  