1 // (C) Copyright 2006 Douglas Gregor <doug.gregor -at- gmail.com>
3 // Use, modification and distribution is subject to the Boost Software
4 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
5 // http://www.boost.org/LICENSE_1_0.txt)
7 // Authors: Douglas Gregor
11 * This file reflects the Boost.MPI @c request class into
14 #include <boost/python.hpp>
15 #include <boost/mpi.hpp>
16 #include "request_with_value.hpp"
18 using namespace boost::python;
19 using namespace boost::mpi;
21 const object python::request_with_value::get_value() const
23 if (m_internal_value.get())
24 return *m_internal_value;
25 else if (m_external_value)
26 return *m_external_value;
29 PyErr_SetString(PyExc_ValueError, "request value not available");
30 throw boost::python::error_already_set();
34 const object python::request_with_value::get_value_or_none() const
36 if (m_internal_value.get())
37 return *m_internal_value;
38 else if (m_external_value)
39 return *m_external_value;
44 const object python::request_with_value::wrap_wait()
46 status stat = request::wait();
47 if (m_internal_value.get() || m_external_value)
48 return boost::python::make_tuple(get_value(), stat);
53 const object python::request_with_value::wrap_test()
55 ::boost::optional<status> stat = request::test();
58 if (m_internal_value.get() || m_external_value)
59 return boost::python::make_tuple(get_value(), *stat);
68 namespace boost { namespace mpi { namespace python {
70 const object request_test(request &req)
72 ::boost::optional<status> stat = req.test();
79 extern const char* request_docstring;
80 extern const char* request_with_value_docstring;
81 extern const char* request_wait_docstring;
82 extern const char* request_test_docstring;
83 extern const char* request_cancel_docstring;
84 extern const char* request_value_docstring;
88 using boost::python::arg;
89 using boost::python::object;
93 class_<cl>("Request", request_docstring, no_init)
94 .def("wait", &cl::wait, request_wait_docstring)
95 .def("test", &request_test, request_test_docstring)
96 .def("cancel", &cl::cancel, request_cancel_docstring)
100 typedef request_with_value cl;
101 class_<cl, bases<request> >(
102 "RequestWithValue", request_with_value_docstring, no_init)
103 .def("wait", &cl::wrap_wait, request_wait_docstring)
104 .def("test", &cl::wrap_test, request_test_docstring)
108 implicitly_convertible<request, request_with_value>();
111 } } } // end namespace boost::mpi::python