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Code Issues Projects Releases Packages Wiki Activity Actions 9

Issue #7403: Fixed possible race condition in lock creation.

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This commit is contained in:
Vinay Sajip 2009-11-27 14:03:36 +00:00
parent 608eb2d43d
commit 03f6c11f07
2 changed files with 7 additions and 4 deletions
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7
Lib/logging/__init__.py
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@ -199,17 +199,18 @@ def _checkLevel(level):
#the lock would already have been acquired - so we need an RLock. #the lock would already have been acquired - so we need an RLock.
#The same argument applies to Loggers and Manager.loggerDict. #The same argument applies to Loggers and Manager.loggerDict.
# #
if thread:
_lock = threading.RLock()
else:
_lock = None _lock = None
def _acquireLock(): def _acquireLock():
""" """
Acquire the module-level lock for serializing access to shared data. Acquire the module-level lock for serializing access to shared data.
This should be released with _releaseLock(). This should be released with _releaseLock().
""" """
global _lock
if (not _lock) and thread:
_lock = threading.RLock()
if _lock: if _lock:
_lock.acquire() _lock.acquire()

2
Misc/NEWS
View file

@ -140,6 +140,8 @@ C-API
Library Library
------- -------
- Issue #7403: logging: Fixed possible race condition in lock creation.
- Issue #6845: Add restart support for binary upload in ftplib. The - Issue #6845: Add restart support for binary upload in ftplib. The
`storbinary()` method of FTP and FTP_TLS objects gains an optional `rest` `storbinary()` method of FTP and FTP_TLS objects gains an optional `rest`
argument. Patch by Pablo Mouzo. argument. Patch by Pablo Mouzo.