[3.10] [3.11] gh-99952: fix refcount issues in ctypes.Structure from_param() result (GH-101339) #101340
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…aram() result (pythonGH-101339) [3.11] pythongh-99952: [ctypes] fix refcount issues in from_param() result. (pythonGH-100169) Fixes a reference counting issue with `ctypes.Structure` when a `from_param()` method call is used and the structure size is larger than a C pointer `sizeof(void*)`. This problem existed for a very long time, but became more apparent in 3.8+ by change likely due to garbage collection cleanup timing changes.. (cherry picked from commit dfad678) (cherry picked from commit fa7c37a) Co-authored-by: Gregory P. Smith <greg@krypto.org> Co-authored-by: Yukihiro Nakadaira <yukihiro.nakadaira@gmail.com>
gpshead
approved these changes
Jan 26, 2023
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[3.11] gh-99952: [ctypes] fix refcount issues in from_param() result. (GH-100169)
Fixes a reference counting issue with
ctypes.Structurewhen afrom_param()method call is used and the structure size is larger than a C pointersizeof(void*).This problem existed for a very long time, but became more apparent in 3.8+ by change likely due to garbage collection cleanup timing changes..
(cherry picked from commit dfad678)
(cherry picked from commit fa7c37a)
Co-authored-by: Gregory P. Smith greg@krypto.org
Co-authored-by: Yukihiro Nakadaira yukihiro.nakadaira@gmail.com
Automerge-Triggered-By: GH:gpshead