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| author | Antoine Pitrou <solipsis@pitrou.net> | 2009-11-05 13:49:14 (GMT) |
|---|---|---|
| committer | Antoine Pitrou <solipsis@pitrou.net> | 2009-11-05 13:49:14 (GMT) |
| commit | bdec11fde7905c69c3bc67b0b0df86ae557d2236 (patch) | |
| tree | 7bc282fcadc3036b668b2f1291fbfa3a81226238 /Lib/_threading_local.py | |
| parent | cfed029c42ba1f1129de0ff3e455fcaf1c7ef9c6 (diff) | |
| download | cpython-bdec11fde7905c69c3bc67b0b0df86ae557d2236.zip cpython-bdec11fde7905c69c3bc67b0b0df86ae557d2236.tar.gz cpython-bdec11fde7905c69c3bc67b0b0df86ae557d2236.tar.bz2 | |
Merged revisions 76117 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
........
r76117 | antoine.pitrou | 2009-11-05 14:42:29 +0100 (jeu., 05 nov. 2009) | 5 lines
Issue #7264: Fix a possible deadlock when deallocating thread-local objects
which are part of a reference cycle.
........
Diffstat (limited to 'Lib/_threading_local.py')
| -rw-r--r-- | Lib/_threading_local.py | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/Lib/_threading_local.py b/Lib/_threading_local.py index 6d77035..6e8a8d8 100644 --- a/Lib/_threading_local.py +++ b/Lib/_threading_local.py @@ -217,10 +217,12 @@ class local(_localbase): key = object.__getattribute__(self, '_local__key') try: - threads = list(threading.enumerate()) + # We use the non-locking API since we might already hold the lock + # (__del__ can be called at any point by the cyclic GC). + threads = threading._enumerate() except: - # If enumerate fails, as it seems to do during - # shutdown, we'll skip cleanup under the assumption + # If enumerating the current threads fails, as it seems to do + # during shutdown, we'll skip cleanup under the assumption # that there is nothing to clean up. return |