GNU Radio Manual and C++ API Reference 3.7.14.0
The Free & Open Software Radio Ecosystem
sptr_magic.h
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1/* -*- c++ -*- */
2/*
3 * Copyright 2008,2013 Free Software Foundation, Inc.
4 *
5 * This file is part of GNU Radio
6 *
7 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3, or (at your option)
10 * any later version.
11 *
12 * GNU Radio is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 */
21
22#ifndef INCLUDED_GR_RUNTIME_SPTR_MAGIC_H
23#define INCLUDED_GR_RUNTIME_SPTR_MAGIC_H
24
25#include <gnuradio/api.h>
26#include <boost/shared_ptr.hpp>
27
28namespace gr {
29class basic_block;
30class hier_block2;
31} // namespace gr
32
33namespace gnuradio {
34namespace detail {
35
37{
38public:
39 static boost::shared_ptr<gr::basic_block> fetch_initial_sptr(gr::basic_block* p);
40 static void create_and_stash_initial_sptr(gr::hier_block2* p);
41 static void cancel_initial_sptr(gr::hier_block2* p);
42};
43}; // namespace detail
44
45/*
46 * \brief New! Improved! Standard method to get/create the
47 * boost::shared_ptr for a block.
48 */
49template <class T>
50boost::shared_ptr<T> get_initial_sptr(T* p)
51{
52 return boost::dynamic_pointer_cast<T, gr::basic_block>(
53 detail::sptr_magic::fetch_initial_sptr(p));
54}
55} // namespace gnuradio
56
57#endif /* INCLUDED_GR_RUNTIME_SPTR_MAGIC_H */
Definition: sptr_magic.h:37
The abstract base class for all signal processing blocks.
Definition: basic_block.h:60
Hierarchical container class for gr::block's and gr::hier_block2's.
Definition: hier_block2.h:46
#define GR_RUNTIME_API
Definition: gnuradio-runtime/include/gnuradio/api.h:30
Definition: sptr_magic.h:33
Include this header to use the message passing features.
Definition: basic_block.h:45