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-rw-r--r--Lib/logging/__init__.py9
-rw-r--r--Misc/NEWS2
2 files changed, 7 insertions, 4 deletions
diff --git a/Lib/logging/__init__.py b/Lib/logging/__init__.py
index 6ff2216..487a225 100644
--- a/Lib/logging/__init__.py
+++ b/Lib/logging/__init__.py
@@ -199,7 +199,11 @@ def _checkLevel(level):
#the lock would already have been acquired - so we need an RLock.
#The same argument applies to Loggers and Manager.loggerDict.
#
-_lock = None
+if thread:
+ _lock = threading.RLock()
+else:
+ _lock = None
+
def _acquireLock():
"""
@@ -207,9 +211,6 @@ def _acquireLock():
This should be released with _releaseLock().
"""
- global _lock
- if (not _lock) and thread:
- _lock = threading.RLock()
if _lock:
_lock.acquire()
diff --git a/Misc/NEWS b/Misc/NEWS
index 724c97e..1cff0b7 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -140,6 +140,8 @@ C-API
Library
-------
+- Issue #7403: logging: Fixed possible race condition in lock creation.
+
- Issue #6845: Add restart support for binary upload in ftplib. The
`storbinary()` method of FTP and FTP_TLS objects gains an optional `rest`
argument. Patch by Pablo Mouzo.