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bpo-39164: Add private _PyErr_GetExcInfo() function (GH-17752)

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This adds a new function named _PyErr_GetExcInfo() that is a variation of the
original PyErr_GetExcInfo() taking a PyThreadState as its first argument.
That function allows to retrieve the exceptions information of any Python
thread -- not only the current one.
This commit is contained in:
Julien Danjou 2020-01-13 17:30:14 +01:00 • committed by Victor Stinner
parent d8efc14951
commit 3430c55417
3 changed files with 12 additions and 4 deletions
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14
Python/errors.c
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@ -433,21 +433,27 @@ PyErr_Clear(void)
void
PyErr_GetExcInfo(PyObject **p_type, PyObject **p_value, PyObject **p_traceback)
_PyErr_GetExcInfo(PyThreadState *tstate,
PyObject **p_type, PyObject **p_value, PyObject **p_traceback)
{
PyThreadState *tstate = _PyThreadState_GET();
_PyErr_StackItem *exc_info = _PyErr_GetTopmostException(tstate);
*p_type = exc_info->exc_type;
*p_value = exc_info->exc_value;
*p_traceback = exc_info->exc_traceback;
Py_XINCREF(*p_type);
Py_XINCREF(*p_value);
Py_XINCREF(*p_traceback);
}
void
PyErr_GetExcInfo(PyObject **p_type, PyObject **p_value, PyObject **p_traceback)
{
PyThreadState *tstate = _PyThreadState_GET();
return _PyErr_GetExcInfo(tstate, p_type, p_value, p_traceback);
}
void
PyErr_SetExcInfo(PyObject *p_type, PyObject *p_value, PyObject *p_traceback)
{