1 /* 2 * Copyright Andrey Semashev 2007 - 2015. 3 * Distributed under the Boost Software License, Version 1.0. 4 * (See accompanying file LICENSE_1_0.txt or copy at 5 * http://www.boost.org/LICENSE_1_0.txt) 6 */ 7 /*! 8 * \file current_process_name.hpp 9 * \author Andrey Semashev 10 * \date 29.07.2012 11 * 12 * The header contains implementation of a current process name attribute 13 */ 14 15 #ifndef BOOST_LOG_ATTRIBUTES_CURRENT_PROCESS_NAME_HPP_INCLUDED_ 16 #define BOOST_LOG_ATTRIBUTES_CURRENT_PROCESS_NAME_HPP_INCLUDED_ 17 18 #include <string> 19 #include <boost/log/detail/config.hpp> 20 #include <boost/log/attributes/constant.hpp> 21 #include <boost/log/attributes/attribute_cast.hpp> 22 #include <boost/log/detail/header.hpp> 23 24 #ifdef BOOST_HAS_PRAGMA_ONCE 25 #pragma once 26 #endif 27 28 namespace boost { 29 30 BOOST_LOG_OPEN_NAMESPACE 31 32 namespace aux { 33 34 //! The function returns the current process name 35 BOOST_LOG_API std::string get_process_name(); 36 37 } // namespace aux 38 39 namespace attributes { 40 41 /*! 42 * \brief A class of an attribute that holds the current process name 43 */ 44 class current_process_name : 45 public constant< std::string > 46 { 47 typedef constant< std::string > base_type; 48 49 public: 50 /*! 51 * Constructor. Initializes the attribute with the current process name. 52 */ current_process_name()53 current_process_name() : base_type(boost::log::aux::get_process_name()) {} 54 /*! 55 * Constructor for casting support 56 */ current_process_name(cast_source const & source)57 explicit current_process_name(cast_source const& source) : 58 base_type(source) 59 { 60 } 61 }; 62 63 } // namespace attributes 64 65 BOOST_LOG_CLOSE_NAMESPACE // namespace log 66 67 } // namespace boost 68 69 #include <boost/log/detail/footer.hpp> 70 71 #endif // BOOST_LOG_ATTRIBUTES_CURRENT_PROCESS_NAME_HPP_INCLUDED_ 72