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Add internal locking to bonobo.config.services.Exclusive.

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This commit is contained in:
Gregory Williams
2019-05-14 08:47:29 -07:00
parent 70c8e62c4a
commit e984e69f86
1 changed files with 7 additions and 2 deletions
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9
bonobo/config/services.py
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@ -146,14 +146,19 @@ class Exclusive(ContextDecorator):
"""
_locks = {}
lock = threading.Lock()
def __init__(self, wrapped):
self._wrapped = wrapped
def get_lock(self):
_id = id(self._wrapped)
if not _id in Exclusive._locks:
Exclusive._locks[_id] = threading.RLock()
Exclusive.lock.acquire()
try:
if not _id in Exclusive._locks:
Exclusive._locks[_id] = threading.RLock()
finally:
Exclusive.lock.release()
return Exclusive._locks[_id]
def __enter__(self):