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https://github.com/pybind/pybind11.git
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de4ba92c9f
* Add `error_scope` to `detail::get_internals()` * Adjust test to tolerate macOS PyPy behavior.
52 lines
1.7 KiB
C++
52 lines
1.7 KiB
C++
/*
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Copyright (c) 2022 Google LLC
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All rights reserved. Use of this source code is governed by a
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BSD-style license that can be found in the LICENSE file.
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*/
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#include <pybind11/pybind11.h>
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// This file mimics a DSO that makes pybind11 calls but does not define a PYBIND11_MODULE,
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// so that the first call of cross_module_error_already_set() triggers the first call of
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// pybind11::detail::get_internals().
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namespace {
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namespace py = pybind11;
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void interleaved_error_already_set() {
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PyErr_SetString(PyExc_RuntimeError, "1st error.");
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try {
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throw py::error_already_set();
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} catch (const py::error_already_set &) {
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// The 2nd error could be conditional in a real application.
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PyErr_SetString(PyExc_RuntimeError, "2nd error.");
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} // Here the 1st error is destroyed before the 2nd error is fetched.
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// The error_already_set dtor triggers a pybind11::detail::get_internals()
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// call via pybind11::gil_scoped_acquire.
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if (PyErr_Occurred()) {
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throw py::error_already_set();
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}
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}
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constexpr char kModuleName[] = "cross_module_interleaved_error_already_set";
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struct PyModuleDef moduledef = {
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PyModuleDef_HEAD_INIT, kModuleName, nullptr, 0, nullptr, nullptr, nullptr, nullptr, nullptr};
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} // namespace
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extern "C" PYBIND11_EXPORT PyObject *PyInit_cross_module_interleaved_error_already_set() {
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PyObject *m = PyModule_Create(&moduledef);
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if (m != nullptr) {
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static_assert(sizeof(&interleaved_error_already_set) == sizeof(void *),
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"Function pointer must have the same size as void *");
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PyModule_AddObject(
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m,
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"funcaddr",
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PyLong_FromVoidPtr(reinterpret_cast<void *>(&interleaved_error_already_set)));
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}
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return m;
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}
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