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/* -*- c++ -*- */
/*
* Copyright 2008,2013 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#ifndef INCLUDED_GR_RUNTIME_SPTR_MAGIC_H
#define INCLUDED_GR_RUNTIME_SPTR_MAGIC_H
#include <gnuradio/api.h>
#include <memory>
namespace gr {
class basic_block;
class hier_block2;
} // namespace gr
namespace gnuradio {
namespace detail {
class GR_RUNTIME_API sptr_magic
{
public:
static std::shared_ptr<gr::basic_block> fetch_initial_sptr(gr::basic_block* p);
static void create_and_stash_initial_sptr(gr::hier_block2* p);
static void cancel_initial_sptr(gr::hier_block2* p);
};
} // namespace detail
/*
* \brief New! Improved! Standard method to get/create the
* std::shared_ptr for a block.
*/
template <class T>
std::shared_ptr<T> get_initial_sptr(T* p)
{
return std::dynamic_pointer_cast<T, gr::basic_block>(
detail::sptr_magic::fetch_initial_sptr(p));
}
} // namespace gnuradio
#endif /* INCLUDED_GR_RUNTIME_SPTR_MAGIC_H */
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