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//
// Copyright 2010-2011 Ettus Research LLC
// Copyright 2018 Ettus Research, a National Instruments Company
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
#ifndef INCLUDED_UHD_UTILS_STATIC_HPP
#define INCLUDED_UHD_UTILS_STATIC_HPP
#include <uhd/config.hpp>
/*!
* Defines a function that implements the "construct on first use" idiom
* \param _t the type definition for the instance
* \param _x the name of the defined function
* \return a reference to the lazy instance
*/
#define UHD_SINGLETON_FCN(_t, _x) static _t &_x(){static _t _x; return _x;}
/*!
* Defines a static code block that will be called before main()
* The static block will catch and print exceptions to std error.
* \param _x the unique name of the fixture (unique per source)
*/
#define UHD_STATIC_BLOCK(_x) \
void _x(void); \
static _uhd_static_fixture _x##_fixture(&_x, #_x); \
void _x(void)
//! Helper for static block, constructor calls function
struct UHD_API _uhd_static_fixture{
_uhd_static_fixture(void (*)(void), const char *);
};
#endif /* INCLUDED_UHD_UTILS_STATIC_HPP */
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