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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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fix arrays
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@kumaraditya303
kumaraditya303 committed Apr 19, 2025
commit 79bd81dbb0995867534da3d6cc58b4696ae497e0
18 changes: 16 additions & 2 deletions Modules/_ctypes/cfield.c
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Original file line number Diff line number Diff line change
Expand Up @@ -243,7 +243,7 @@ _pack_legacy_size(CFieldObject *field)
}

static int
PyCField_set(PyObject *op, PyObject *inst, PyObject *value)
PyCField_set_lock_held(PyObject *op, PyObject *inst, PyObject *value)
{
CDataObject *dst;
char *ptr;
Expand All @@ -265,6 +265,16 @@ PyCField_set(PyObject *op, PyObject *inst, PyObject *value)
self->index, _pack_legacy_size(self), ptr);
}

static int
PyCField_set(PyObject *op, PyObject *inst, PyObject *value)
{
int res;
Py_BEGIN_CRITICAL_SECTION(inst);
res = PyCField_set_lock_held(op, inst, value);
Py_END_CRITICAL_SECTION();
return res;
}

static PyObject *
PyCField_get(PyObject *op, PyObject *inst, PyObject *type)
{
Expand All @@ -280,9 +290,13 @@ PyCField_get(PyObject *op, PyObject *inst, PyObject *type)
return NULL;
}
src = _CDataObject_CAST(inst);
return PyCData_get(st, self->proto, self->getfunc, inst,
PyObject *res;
Py_BEGIN_CRITICAL_SECTION(inst);
res = PyCData_get(st, self->proto, self->getfunc, inst,
self->index, _pack_legacy_size(self),
src->b_ptr + self->byte_offset);
Py_END_CRITICAL_SECTION();
return res;
}

static PyObject *
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