/usr/include/uhd/utils/msg.hpp is in libuhd-dev 3.9.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Copyright 2011-2013 Ettus Research LLC
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
#ifndef INCLUDED_UHD_UTILS_MSG_HPP
#define INCLUDED_UHD_UTILS_MSG_HPP
#include <uhd/config.hpp>
#include <uhd/utils/pimpl.hpp>
#include <ostream>
#include <iomanip>
#include <string>
/*!
* A UHD message macro with configurable type.
* Usage: UHD_MSG(warning) << "some warning message" << std::endl;
*/
#define UHD_MSG(type) \
uhd::msg::_msg(uhd::msg::type)()
//! Helpful debug tool to print site info
#define UHD_HERE() \
UHD_MSG(status) << __FILE__ << ":" << __LINE__ << std::endl
//! Helpful debug tool to print a variable
#define UHD_VAR(var) \
UHD_MSG(status) << #var << " = " << var << std::endl;
//! Helpful debug tool to print a variable in hex
#define UHD_HEX(var) \
UHD_MSG(status) << #var << " = 0x" << std::hex << std::setfill('0') << std::setw(8) << var << std::dec << std::endl;
namespace uhd{ namespace msg{
//! Possible message types
enum type_t{
status = 's',
warning = 'w',
error = 'e',
fastpath= 'f'
};
//! Typedef for a user-registered message handler
typedef void (*handler_t)(type_t, const std::string &);
/*!
* Register the handler for uhd system messages.
* Only one handler can be registered at once.
* This replaces the default std::cout/cerr handler.
* \param handler a new handler callback function
*/
UHD_API void register_handler(const handler_t &handler);
//! Internal message object (called by UHD_MSG macro)
class UHD_API _msg{
public:
_msg(const type_t type);
~_msg(void);
std::ostream &operator()(void);
private:
UHD_PIMPL_DECL(impl) _impl;
};
}} //namespace uhd::msg
#endif /* INCLUDED_UHD_UTILS_MSG_HPP */
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