linkchecker/linkcheck/lock.py
calvin 3eac1be9ab Require and use Python 2.5
Use Python 2.5 features and get rid of old compat code. Also some
code cleanups have been made.


git-svn-id: https://linkchecker.svn.sourceforge.net/svnroot/linkchecker/trunk/linkchecker@3737 e7d03fd6-7b0d-0410-9947-9c21f3af8025
2008-04-27 11:39:21 +00:00

46 lines
1.6 KiB
Python

# -*- coding: iso-8859-1 -*-
# Copyright (C) 2005-2008 Bastian Kleineidam
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
"""
Locking utility class.
"""
import threading
from . import log, LOG_THREAD
def get_lock (name):
return threading.Lock()
# for thread debugging, use the DebugLock wrapper
#return DebugLock(threading.Lock(), name)
class DebugLock (object):
"""Debugging lock class."""
def __init__ (self, lock, name):
self.lock = lock
self.name = name
def acquire (self, blocking=1):
"""Acquire lock."""
threadname = threading.currentThread().getName()
log.debug(LOG_THREAD, "Acquire %s for %s", self.name, threadname)
self.lock.acquire(blocking)
log.debug(LOG_THREAD, "...acquired %s for %s", self.name, threadname)
def release (self):
"""Release lock."""
threadname = threading.currentThread().getName()
log.debug(LOG_THREAD, "Release %s for %s", self.name, threadname)
self.lock.release()