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fc68878e02
This indicates that the free-threaded build of Python can keep the GIL disabled when the module is loaded. Without this module flag, importing the module will cause the GIL to be re-enabled. A warning is emitted if this happens.
80 lines
1.8 KiB
C++
80 lines
1.8 KiB
C++
// (C) Copyright David Abrahams 2000.
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// The author gratefully acknowleges the support of Dragon Systems, Inc., in
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// producing this work.
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#include <boost/python/scope.hpp>
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#include <boost/python/object/add_to_namespace.hpp>
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namespace boost { namespace python { namespace detail {
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namespace
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{
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PyObject* init_module_in_scope(PyObject* m, void(*init_function)())
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{
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if (m != 0)
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{
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// Create the current module scope
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object m_obj(((borrowed_reference_t*)m));
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scope current_module(m_obj);
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if (handle_exception(init_function)) return NULL;
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}
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return m;
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}
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}
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BOOST_PYTHON_DECL void scope_setattr_doc(char const* name, object const& x, char const* doc)
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{
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// Use function::add_to_namespace to achieve overloading if
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// appropriate.
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scope current;
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objects::add_to_namespace(current, name, x, doc);
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}
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#if PY_VERSION_HEX >= 0x03000000
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BOOST_PYTHON_DECL PyObject* init_module(PyModuleDef& moduledef, void(*init_function)())
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{
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PyObject *mod = PyModule_Create(&moduledef);
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#ifdef Py_GIL_DISABLED
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if (mod != NULL) {
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PyUnstable_Module_SetGIL(mod, Py_MOD_GIL_NOT_USED);
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}
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#endif
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return init_module_in_scope(
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mod,
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init_function);
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}
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#else
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namespace
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{
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PyMethodDef initial_methods[] = { { 0, 0, 0, 0 } };
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}
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BOOST_PYTHON_DECL PyObject* init_module(char const* name, void(*init_function)())
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{
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return init_module_in_scope(
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Py_InitModule(const_cast<char*>(name), initial_methods),
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init_function);
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}
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#endif
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}}} // namespace boost::python::detail
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namespace boost { namespace python {
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namespace detail
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{
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BOOST_PYTHON_DECL PyObject* current_scope = 0;
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}
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}}
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