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gh-127945: make initialization of error_object_name thread safe in ctypes (#131896)

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Kumar Aditya 2025-03-30 16:20:35 +05:30 • committed by GitHub
parent bc5a028c13
commit 28e476f6a2
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2 changed files with 8 additions and 8 deletions
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9
Modules/_ctypes/_ctypes.c
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@ -6093,14 +6093,19 @@ _ctypes_mod_exec(PyObject *mod)
} }
#ifdef WORDS_BIGENDIAN #ifdef WORDS_BIGENDIAN
st->swapped_suffix = PyUnicode_InternFromString("_le"); st->swapped_suffix = PyUnicode_InternFromString("_le");
#else #else
st->swapped_suffix = PyUnicode_InternFromString("_be"); st->swapped_suffix = PyUnicode_InternFromString("_be");
#endif #endif
if (st->swapped_suffix == NULL) { if (st->swapped_suffix == NULL) {
return -1; return -1;
} }
st->error_object_name = PyUnicode_InternFromString("ctypes.error_object");
if (st->error_object_name == NULL) {
return -1;
}
if (_ctypes_add_types(mod) < 0) { if (_ctypes_add_types(mod) < 0) {
return -1; return -1;
} }

7
Modules/_ctypes/callproc.c
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@ -164,12 +164,7 @@ _ctypes_get_errobj(ctypes_state *st, int **pspace)
"cannot get thread state"); "cannot get thread state");
return NULL; return NULL;
} }
if (st->error_object_name == NULL) { assert(st->error_object_name != NULL);
st->error_object_name = PyUnicode_InternFromString("ctypes.error_object");
if (st->error_object_name == NULL) {
return NULL;
}
}
if (PyDict_GetItemRef(dict, st->error_object_name, &errobj) < 0) { if (PyDict_GetItemRef(dict, st->error_object_name, &errobj) < 0) {
return NULL; return NULL;
} }