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gh-100227: Make the Global PyModuleDef Cache Safe for Isolated Interpreters#102938

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23 commits
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546b934
Factor out add_threadstate().
ericsnowcurrentlyMar 21, 2023
0bcd136
Add _PyThreadState_InitDetached().
ericsnowcurrentlyMar 21, 2023
35d5310
Add _PyThreadState_ClearDetached().
ericsnowcurrentlyMar 21, 2023
cba9e34
Add _PyRuntime.cached_objects.main_tstate.
ericsnowcurrentlyMar 21, 2023
3b1bb8b
Add _Py_AcquireGlobalObjectsState() and _Py_ReleaseGlobalObjectsState().
ericsnowcurrentlyMar 22, 2023
eb42aa1
Add _Py_AddToGlobalDict().
ericsnowcurrentlyMar 22, 2023
4e9da2d
Drop _Py_AcquireGlobalObjectsState() and _Py_ReleaseGlobalObjectsStat…
ericsnowcurrentlyMar 22, 2023
6216207
Add acquire_global_objects_lock() and release_global_objects_lock().
ericsnowcurrentlyMar 22, 2023
3c007c0
Add some TODO comments.
ericsnowcurrentlyMar 13, 2023
7d95514
Factor out store_interned().
ericsnowcurrentlyMar 20, 2023
5c20b84
Store a thread state to use just for interned strings.
ericsnowcurrentlyMar 20, 2023
a3ae02a
Always use the main interpreter when possibly resizing the interned d…
ericsnowcurrentlyMar 20, 2023
d5fbc37
Use _PyRuntime.cached_objects.main_tstate instead.
ericsnowcurrentlyMar 21, 2023
459325f
Add _PyThreadState_IsBound() and _PyThreadState_Unbind().
ericsnowcurrentlyMar 21, 2023
4f25244
Make sure the one-off tstate is bound before using it.
ericsnowcurrentlyMar 21, 2023
e68535a
Use _Py_AcquireGlobalObjectsState() in store_interned().
ericsnowcurrentlyMar 22, 2023
22753b3
Use _Py_AddToGlobalDict().
ericsnowcurrentlyMar 22, 2023
5c7bfd7
Move the extensions dict to _PyRuntime.cached_objects.
ericsnowcurrentlyMar 22, 2023
f1a33ce
Add _Py_GetFromGlobalDict().
ericsnowcurrentlyMar 22, 2023
10e6d69
Add _Py_PopFromGlobalDict().
ericsnowcurrentlyMar 22, 2023
7dbae68
Adjust _Py_AddToGlobalDict().
ericsnowcurrentlyMar 22, 2023
3e08c1f
Use _Py_PopFromGlobalDict() in unicode_dealloc().
ericsnowcurrentlyMar 22, 2023
1039a60
Use the global dict API in import.c.
ericsnowcurrentlyMar 22, 2023
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Make sure the one-off tstate is bound before using it.
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@ericsnowcurrently
ericsnowcurrently committedMar 22, 2023
commit4f25244cd227b7b64a18f26a688f0ab0745c2d5d
7 changes: 7 additions & 0 deletionsObjects/unicodeobject.c
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Original file line numberDiff line numberDiff line change
Expand Up@@ -14601,8 +14601,15 @@ store_interned(PyObject *obj)
PyThreadState *oldts = NULL;
if (!_Py_IsMainInterpreter(_PyInterpreterState_GET())) {
PyThreadState *main_tstate = get_interned_tstate();
int bound = _PyThreadState_IsBound(main_tstate);
if (!bound) {
_PyThreadState_Bind(main_tstate);
}
oldts = PyThreadState_Swap(main_tstate);
assert(oldts != NULL);
if (!bound) {
_PyThreadState_Unbind(main_tstate);
}
}

PyObject *t = PyDict_SetDefault(interned, obj, obj);
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