| # Copyright 2014 The Chromium OS Authors. All rights reserved. | |
| # Use of this source code is governed by a BSD-style license that can be | |
| # found in the LICENSE file. | |
| import os | |
| import sys | |
| # Parent passes test file path as first argument. | |
| test_file = sys.argv[1] | |
| # We entered a mount namespace where |test_file| should not be accessible. | |
| if os.access(test_file, os.F_OK): | |
| sys.exit(1) |