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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_id.hpp | |
9 | * \author Andrey Semashev | |
10 | * \date 12.09.2009 | |
11 | * | |
12 | * The header contains implementation of a current process id attribute | |
13 | */ | |
14 | ||
15 | #ifndef BOOST_LOG_ATTRIBUTES_CURRENT_PROCESS_ID_HPP_INCLUDED_ | |
16 | #define BOOST_LOG_ATTRIBUTES_CURRENT_PROCESS_ID_HPP_INCLUDED_ | |
17 | ||
18 | #include <boost/log/detail/config.hpp> | |
19 | #include <boost/log/detail/process_id.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 | //! Process identifier type used by the library | |
33 | typedef boost::log::aux::process::id process_id; | |
34 | ||
35 | namespace attributes { | |
36 | ||
37 | /*! | |
38 | * \brief A class of an attribute that holds the current process identifier | |
39 | */ | |
40 | class current_process_id : | |
41 | public constant< process_id > | |
42 | { | |
43 | typedef constant< process_id > base_type; | |
44 | ||
45 | public: | |
46 | /*! | |
47 | * Constructor. Initializes the attribute with the current process identifier. | |
48 | */ | |
49 | current_process_id() : base_type(boost::log::aux::this_process::get_id()) {} | |
50 | /*! | |
51 | * Constructor for casting support | |
52 | */ | |
53 | explicit current_process_id(cast_source const& source) : | |
54 | base_type(source) | |
55 | { | |
56 | } | |
57 | }; | |
58 | ||
59 | } // namespace attributes | |
60 | ||
61 | BOOST_LOG_CLOSE_NAMESPACE // namespace log | |
62 | ||
63 | } // namespace boost | |
64 | ||
65 | #include <boost/log/detail/footer.hpp> | |
66 | ||
67 | #endif // BOOST_LOG_ATTRIBUTES_CURRENT_PROCESS_ID_HPP_INCLUDED_ |