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utils/misc: Use an RLock in tls_property

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Allow reentrancy of the lock to fix a deadlock that can occur if
self._get_tls() is called while holding the lock.
This commit is contained in:
Douglas Raillard
2021-07-21 13:59:48 +01:00
committed by Marc Bonnici
parent f523afda95
commit 80c0e37d11
1 changed files with 1 additions and 1 deletions
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devlib/utils/misc.py
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@@ -784,7 +784,7 @@ class tls_property:
def __init__(self, factory): def __init__(self, factory):
self.factory = factory self.factory = factory
# Lock accesses to shared WeakKeyDictionary and WeakSet # Lock accesses to shared WeakKeyDictionary and WeakSet
self.lock = threading.Lock() self.lock = threading.RLock()
def __get__(self, instance, owner=None): def __get__(self, instance, owner=None):
return _BoundTLSProperty(self, instance, owner) return _BoundTLSProperty(self, instance, owner)