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gh-127945: add lock held assertions in ctypes arrays #132720

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Merged
kumaraditya303 merged 2 commits into from
Apr 19, 2025
Merged

gh-127945: add lock held assertions in ctypes arrays #132720

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362d07a
add lock held assertions
kumaraditya303 Apr 19, 2025
79bd81d
fix arrays
kumaraditya303 Apr 19, 2025
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add lock held assertions
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@kumaraditya303
kumaraditya303 committed Apr 19, 2025
commit 362d07a50564d964fcce0b654b848906121c591a
14 changes: 3 additions & 11 deletions Modules/_ctypes/_ctypes.c
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Original file line number Diff line number Diff line change
Expand Up @@ -3356,14 +3356,13 @@ _PyCData_set(ctypes_state *st,
CDataObject *dst, PyObject *type, SETFUNC setfunc, PyObject *value,
Py_ssize_t size, char *ptr)
{
_Py_CRITICAL_SECTION_ASSERT_OBJECT_LOCKED(dst);
CDataObject *src;
int err;

if (setfunc) {
PyObject *res;
Py_BEGIN_CRITICAL_SECTION(dst);
res = setfunc(ptr, value, size);
Py_END_CRITICAL_SECTION();
return res;
}
if (!CDataObject_Check(st, value)) {
Expand All @@ -3373,9 +3372,7 @@ _PyCData_set(ctypes_state *st,
}
if (info && info->setfunc) {
PyObject *res;
Py_BEGIN_CRITICAL_SECTION(dst);
res = info->setfunc(ptr, value, size);
Py_END_CRITICAL_SECTION();
return res;
}
/*
Expand All @@ -3397,9 +3394,7 @@ _PyCData_set(ctypes_state *st,
Py_DECREF(ob);
return result;
} else if (value == Py_None && PyCPointerTypeObject_Check(st, type)) {
Py_BEGIN_CRITICAL_SECTION(dst);
*(void **)ptr = NULL;
Py_END_CRITICAL_SECTION();
Py_RETURN_NONE;
} else {
PyErr_Format(PyExc_TypeError,
Expand All @@ -3417,11 +3412,6 @@ _PyCData_set(ctypes_state *st,
if (err) {
Py_BEGIN_CRITICAL_SECTION(src);
memcpy(ptr, src->b_ptr, size);

if (PyCPointerTypeObject_Check(st, type)) {
/* XXX */
}

value = GetKeepedObjects(src);
Py_END_CRITICAL_SECTION();
if (value == NULL)
Expand Down Expand Up @@ -3485,6 +3475,8 @@ PyCData_set(ctypes_state *st,
PyObject *dst, PyObject *type, SETFUNC setfunc, PyObject *value,
Py_ssize_t index, Py_ssize_t size, char *ptr)
{
_Py_CRITICAL_SECTION_ASSERT_OBJECT_LOCKED(dst);

CDataObject *mem = (CDataObject *)dst;
PyObject *result;

Expand Down
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