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Issue #7282: Fix a memory leak when an RLock was used in a thread other

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than those started through `threading.Thread` (for example, using
`thread.start_new_thread()`.
This commit is contained in:
Antoine Pitrou 2009-11-09 16:00:11 +00:00
parent d19915ed76
commit d7158d4c62
4 changed files with 29 additions and 12 deletions
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18
Lib/threading.py
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@ -106,14 +106,16 @@ def __init__(self, verbose=None):
def __repr__(self):
owner = self.__owner
return "<%s(%s, %d)>" % (
self.__class__.__name__,
owner and owner.name,
self.__count)
try:
owner = _active[owner].name
except KeyError:
pass
return "<%s owner=%r count=%d>" % (
self.__class__.__name__, owner, self.__count)
def acquire(self, blocking=1):
me = current_thread()
if self.__owner is me:
me = _get_ident()
if self.__owner == me:
self.__count = self.__count + 1
if __debug__:
self._note("%s.acquire(%s): recursive success", self, blocking)
@ -132,7 +134,7 @@ def acquire(self, blocking=1):
__enter__ = acquire
def release(self):
if self.__owner is not current_thread():
if self.__owner != _get_ident():
raise RuntimeError("cannot release un-acquired lock")
self.__count = count = self.__count - 1
if not count:
@ -168,7 +170,7 @@ def _release_save(self):
return (count, owner)
def _is_owned(self):
return self.__owner is current_thread()
return self.__owner == _get_ident()
def Condition(*args, **kwargs):