infer_clone/infer/tests/testlock.py

26 lines
578 B

#!/usr/bin/env python3
# Copyright (c) Facebook, Inc. and its affiliates.
#
# This source code is licensed under the MIT license found in the
# LICENSE file in the root directory of this source tree.
import os
import sys
import fcntl
import subprocess
TESTS_DIR = os.path.dirname(os.path.realpath(__file__))
LOCKFILE = os.path.join(TESTS_DIR, 'testlock.mutex')
args = sys.argv[1:]
with open(LOCKFILE, 'r') as lockfile:
fd = lockfile.fileno()
fcntl.flock(fd, fcntl.LOCK_EX)
try:
subprocess.call(args)
finally:
fcntl.flock(fd, fcntl.LOCK_UN)