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