1 # Copyright 2014 The Chromium OS Authors. All rights reserved. 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 5 import os 6 import sys 7 8 # Parent passes test file path as first argument. 9 test_file = sys.argv[1] 10 11 # We entered a mount namespace where |test_file| should not be accessible. 12 if os.access(test_file, os.F_OK): 13 sys.exit(1) 14