diff options
Diffstat (limited to 'Lib/threading.py')
| -rw-r--r-- | Lib/threading.py | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/Lib/threading.py b/Lib/threading.py index a20ff06..c09ec6a 100644 --- a/Lib/threading.py +++ b/Lib/threading.py @@ -441,8 +441,13 @@ class Thread(_Verbose): _sleep(0.000001) # 1 usec, to let the thread run (Solaris hack) def run(self): - if self._target: - self._target(*self._args, **self._kwargs) + try: + if self._target: + self._target(*self._args, **self._kwargs) + finally: + # Avoid a refcycle if the thread is running a function with + # an argument that has a member that points to the thread. + del self._target, self._args, self._kwargs def _bootstrap(self): # Wrapper around the real bootstrap code that ignores |