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gh-100227: Make the Global Interned Dict Safe for Isolated Interpreters #102858

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ericsnowcurrently wants to merge 9 commits into from
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gh-100227: Make the Global Interned Dict Safe for Isolated Interpreters #102858

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9420a1c
Initialize the interned dict in _PyUnicode_InitGlobalObjects().
ericsnowcurrently Mar 13, 2023
cca77b9
Add some TODO comments.
ericsnowcurrently Mar 13, 2023
fa3974f
Factor out store_interned().
ericsnowcurrently Mar 20, 2023
eadd48a
Store a thread state to use just for interned strings.
ericsnowcurrently Mar 20, 2023
5d6e1b9
Always use the main interpreter when possibly resizing the interned d…
ericsnowcurrently Mar 20, 2023
16ed5e0
Make interned strings immortal.
ericsnowcurrently Mar 20, 2023
d36f119
Temporarily skip immortalizing.
ericsnowcurrently Mar 20, 2023
6d5f129
Add the mutex for the interned dict.
ericsnowcurrently Mar 20, 2023
b634920
Lock around store_interned().
ericsnowcurrently Mar 20, 2023
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Make interned strings immortal.
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@ericsnowcurrently
ericsnowcurrently committed Mar 20, 2023
commit 16ed5e0bfb1ff2807a9e00483524afac39712f08
3 changes: 2 additions & 1 deletion Objects/unicodeobject.c
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Original file line number Diff line number Diff line change
Expand Up @@ -14672,7 +14672,8 @@ PyUnicode_InternInPlace(PyObject **p)
return;
}

// XXX Immortalize the object.
/* Immortalize the object. */
_Py_SetImmortal(s);

/* The two references in interned dict (key and value) are not counted by
refcnt. unicode_dealloc() and _PyUnicode_ClearInterned() take care of
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