diff options
Diffstat (limited to '3rdparty/pybind11/tests/cross_module_interleaved_error_already_set.cpp')
-rw-r--r-- | 3rdparty/pybind11/tests/cross_module_interleaved_error_already_set.cpp | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/3rdparty/pybind11/tests/cross_module_interleaved_error_already_set.cpp b/3rdparty/pybind11/tests/cross_module_interleaved_error_already_set.cpp new file mode 100644 index 00000000..fdd9939e --- /dev/null +++ b/3rdparty/pybind11/tests/cross_module_interleaved_error_already_set.cpp @@ -0,0 +1,51 @@ +/* + 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; +} |