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GeezerVison is showing github.com — bpo-43503: Make limited API objects effectively immutable. by ericsnowcurrently · Pull Request #24828 · python/cpython

bpo-43503: Make limited API objects effectively immutable. #24828

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ericsnowcurrently wants to merge 16 commits into python:master from ericsnowcurrently:globals-immortal-objects-flags

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Closed

bpo-43503: Make limited API objects effectively immutable. #24828

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4951703
Add support for immortal objects (large neg int means "immortal").
ericsnowcurrently Dec 10, 2020
4b1eea3
Switch to a positive number.
ericsnowcurrently Dec 10, 2020
a34f285
Add Py_IMMORTAL_CONST_REFCOUNTS.
ericsnowcurrently Dec 10, 2020
3966551
Add a NEWS entry.
ericsnowcurrently Mar 11, 2021
1a3b4da
Add docs.
ericsnowcurrently Mar 11, 2021
728f24b
Drop special handling of negative refcounts.
ericsnowcurrently Mar 11, 2021
2536e8b
Do not reset the refcount in _PyObject_IsImmortal().
ericsnowcurrently Mar 11, 2021
518e9e8
Do not allow immortal objects in the limited API.
ericsnowcurrently Mar 11, 2021
277e1ea
Do not re-declare _PyObject_IsImmortal.
ericsnowcurrently Mar 11, 2021
edef342
Go back to using Py_SET_REFCNT() in _Py_NewReference().
ericsnowcurrently Mar 12, 2021
4d22e00
Fix an accidental line removal.
ericsnowcurrently Mar 12, 2021
838f88f
Add more comments and drop the internal-only macros from the docs.
ericsnowcurrently Mar 12, 2021
00948a0
Drop a holdover from immortal objects with negative refcounts.
ericsnowcurrently Mar 15, 2021
00504d9
Move _Py_SET_REFCNT() out of the header file.
ericsnowcurrently Mar 15, 2021
e6fc84f
Define _py_is_immortal() only for Py_IMMORTAL_CONST_REFCOUNTS.
ericsnowcurrently Mar 15, 2021
f103804
Drop Py_IMMORTAL_CONST_REFCOUNTS and make immortal objects internal.
ericsnowcurrently Mar 12, 2021
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Do not allow immortal objects in the limited API.
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@ericsnowcurrently
ericsnowcurrently committed Mar 12, 2021
commit 518e9e84f6eee25be38369ea48825620fa68b953

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6 changes: 6 additions & 0 deletions 6 Include/object.h
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Original file line number Diff line number Diff line change
Expand Up @@ -703,6 +703,12 @@ times.
#endif


#if defined(Py_LIMITED_API) && \
(defined(_Py_IMMORTAL_OBJECTS) || defined(Py_IMMORTAL_CONST_REFCOUNTS))
#error "the immortal objects API is not available in the limited API"
#endif


static inline int
PyType_HasFeature(PyTypeObject *type, unsigned long feature)
{
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