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bpo-41344: Raise ValueError when creating shared memory of size 0 (GH-21556)

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Vinay Sharma 2020-08-31 00:33:11 +05:30 • committed by GitHub
parent 582f13786b
commit 475a5fbb56
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Lib/multiprocessing/shared_memory.py
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@ -76,6 +76,8 @@ class SharedMemory:
raise ValueError("'size' must be a positive integer")
if create:
self._flags = _O_CREX | os.O_RDWR
if size == 0:
raise ValueError("'size' must be a positive number different from zero")
if name is None and not self._flags & os.O_EXCL:
raise ValueError("'name' can only be None if create=True")