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Issue #28779: multiprocessing.set_forkserver_preload() would crash the forkserver process if a preloaded module instantiated some multiprocessing objects such as locks.

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This commit is contained in:
Antoine Pitrou 2016-12-10 17:13:16 +01:00
parent 7a44783b42
commit cd2a201e5b
5 changed files with 37 additions and 2 deletions
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2
Lib/multiprocessing/context.py
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@ -195,7 +195,7 @@ def get_context(self, method=None):
def get_start_method(self, allow_none=False):
return self._name
def set_start_method(self, method=None):
def set_start_method(self, method, force=False):
raise ValueError('cannot set start method of concrete context')
def _check_available(self):