host/include/uhd/utils/safe_call.hpp


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//
// Copyright 2011 Ettus Research LLC
// Copyright 2018 Ettus Research, a National Instruments Company
//
// SPDX-License-Identifier: GPL-3.0-or-later
//

#pragma once

#include <uhd/config.hpp>
#include <uhd/exception.hpp>
#include <uhd/utils/log.hpp>

//! helper macro for safe call to produce warnings
#define _UHD_SAFE_CALL_WARNING(code, what)                                           \
    UHD_LOGGER_ERROR("UHD") << UHD_THROW_SITE_INFO("Exception caught in safe-call.") \
                                   + #code + " -> " + what;

/*!
 * A safe-call catches all exceptions thrown by code,
 * and creates a verbose warning about the exception.
 * Usage: UHD_SAFE_CALL(some_code_to_call();)
 * \param code the block of code to call safely
 */
#define UHD_SAFE_CALL(code)                                \
    try {                                                  \
        code                                               \
    } catch (const std::exception& e) {                    \
        _UHD_SAFE_CALL_WARNING(code, e.what());            \
    } catch (...) {                                        \
        _UHD_SAFE_CALL_WARNING(code, "unknown exception"); \
    }