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PATH: opt / imunify360 / venv / lib / python3.11 / site-packages / clcommon

#!/usr/bin/python
# coding=utf-8
#
# Copyright © Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2019 All Rights Reserved
#
# Licensed under CLOUD LINUX LICENSE AGREEMENT
# http://cloudlinux.com/docs/LICENSE.TXT

# pylint: disable=consider-using-with
# pylint: disable=unspecified-encoding

import contextlib
import fcntl
import os

def setup_lock(lockfile_path):
    lock_file_dir = os.path.dirname(lockfile_path)
    if lock_file_dir and not os.path.exists(lock_file_dir):
        os.makedirs(lock_file_dir)

fd = open(lockfile_path, 'a+')

# waiting till lock is acquired
    fcntl.flock(fd, fcntl.LOCK_EX)

fd.seek(0, 0)
    fd.truncate()
    fd.write(str(os.getpid()))
    fd.flush()

return fd

def release_lock(fd):
    fcntl.flock(fd.fileno(), fcntl.LOCK_UN)
    fd.close()

@contextlib.contextmanager
def acquire_lock(lockfile_path):
    """
    Usage:
    with acquire_lock():
       ... do something ...
    """
    fd = setup_lock(lockfile_path)
    try:
        yield
    finally:
        release_lock(fd)

[+] lib
[-] clcagefs.py [edit]
[+] ..
[-] clconfpars.py [edit]
[-] cldebug.py [edit]
[-] clexception.py [edit]
[-] ui_config.py [edit]
[-] clsec.py [edit]
[-] const.py [edit]
[-] utils_cmd.py [edit]
[-] lock.py [edit]
[-] clhook.py [edit]
[-] clcustomscript.py [edit]
[+] __pycache__
[-] utils.py [edit]
[-] clwpos_lib.py [edit]
[-] clproc.py [edit]
[-] clquota.py [edit]
[-] clfunc.py [edit]
[-] features.py [edit]
[-] clconfig.py [edit]
[-] group_info_reader.py [edit]
[-] __init__.py [edit]
[+] public_hooks
[-] php_conf_reader.py [edit]
[-] clpwd.py [edit]
[+] cpapi
[-] mail_helper.py [edit]
[-] cloutput.py [edit]
[-] sysctl.py [edit]
[-] clcaptain.py [edit]
[-] clemail.py [edit]
[-] evr_utils.py [edit]
[-] mysql_lib.py [edit]
[-] cllog.py [edit]