8000 gh-112062: Make `_struct` module thread-safe in `--disable-gil` builds by chgnrdv · Pull Request #112094 · python/cpython · GitHub
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gh-112062: Make _struct module thread-safe in --disable-gil builds #112094

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Merged
merged 2 commits into from
Nov 15, 2023
Merged

gh-112062: Make _struct module thread-safe in --disable-gil builds #112094

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bc2dac3
gh-112062: Make `_struct` module thread-safe in --disable-gil builds
chgnrdv Nov 14, 2023
4beec33
revert PyDict_GetItemWithError change in cache_struct_converter
chgnrdv Nov 14, 2023
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revert PyDict_GetItemWithError change in cache_struct_converter
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@chgnrdv
chgnrdv committed Nov 14, 2023
commit 4beec33f3ca407e11ef93b8dceebdcca8839ccb0
10 changes: 6 additions & 4 deletions Modules/_struct.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2250,12 +2250,14 @@ cache_struct_converter(PyObject *module, PyObject *fmt, PyStructObject **ptr)
return 1;
}

if (PyDict_GetItemRef(state->cache, fmt, ptr) < 0) {
return 0;
}
if (*ptr != NULL) {
s_object = PyDict_GetItemWithError(state->cache, fmt);
if (s_object != NULL) {
*ptr = (PyStructObject *)Py_NewRef(s_object);
return Py_CLEANUP_SUPPORTED;
}
else if (PyErr_Occurred()) {
return 0;
}

s_object = PyObject_CallOneArg(state->PyStructType, fmt);
if (s_object != NULL) {
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