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| author | Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> | 2024-06-18 14:54:51 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-06-18 14:54:51 (GMT) |
| commit | 1ce59849610fe03beebcddfacb3d055a7074ef16 (patch) | |
| tree | 1000c3c2e89c99a3a77dd19fa640f2ebc4998cc1 /Objects/object_layout_313.gv | |
| parent | 4f4973d740839757e888c854a1994a64cb900d7b (diff) | |
| download | cpython-1ce59849610fe03beebcddfacb3d055a7074ef16.zip cpython-1ce59849610fe03beebcddfacb3d055a7074ef16.tar.gz cpython-1ce59849610fe03beebcddfacb3d055a7074ef16.tar.bz2 | |
[3.13] gh-118789: Add `PyUnstable_Object_ClearWeakRefsNoCallbacks` (GH-118807) (#120695)
This exposes `PyUnstable_Object_ClearWeakRefsNoCallbacks` as an unstable
C-API function to provide a thread-safe mechanism for clearing weakrefs
without executing callbacks.
Some C-API extensions need to clear weakrefs without calling callbacks,
such as after running finalizers like we do in subtype_dealloc.
Previously they could use `_PyWeakref_ClearRef` on each weakref, but
that's not thread-safe in the free-threaded build.
(cherry picked from commit e8752d7b80775ec2a348cd4bf38cbe26a4a07615)
Co-authored-by: Sam Gross <colesbury@gmail.com>
Co-authored-by: Petr Viktorin <encukou@gmail.com>
Diffstat (limited to 'Objects/object_layout_313.gv')
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