GH-101578: Normalize the current exception (GH-101607)

* Make sure that the current exception is always normalized.

* Remove redundant type and traceback fields for the current exception.

* Add new API functions: PyErr_GetRaisedException, PyErr_SetRaisedException

* Add new API functions: PyException_GetArgs, PyException_SetArgs
This commit is contained in:
Mark Shannon 2023-02-08 09:31:12 +00:00 committed by GitHub
parent 027adf42cd
commit feec49c407
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29 changed files with 477 additions and 172 deletions

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@ -748,13 +748,10 @@ _Py_HandleSystemExit(int *exitcode_p)
}
done:
/* Restore and clear the exception info, in order to properly decref
* the exception, value, and traceback. If we just exit instead,
* these leak, which confuses PYTHONDUMPREFS output, and may prevent
* some finalizers from running.
*/
PyErr_Restore(exception, value, tb);
PyErr_Clear();
/* Cleanup the exception */
Py_CLEAR(exception);
Py_CLEAR(value);
Py_CLEAR(tb);
*exitcode_p = exitcode;
return 1;
}