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 process_id.cpp
9 * \author Andrey Semashev
10 * \date 12.09.2009
11 *
12 * \brief This header is the Boost.Log library implementation, see the library documentation
13 * at http://www.boost.org/doc/libs/release/libs/log/doc/html/index.html.
14 */
15
16 #include <boost/log/detail/config.hpp>
17 #include <iostream>
18 #include <boost/log/detail/process_id.hpp>
19 #include "id_formatting.hpp"
20
21 #if defined(BOOST_WINDOWS)
22
23 #include <windows.h>
24 #include <boost/log/detail/header.hpp>
25
26 namespace boost {
27
28 BOOST_LOG_OPEN_NAMESPACE
29
30 namespace aux {
31
32 enum { pid_size = sizeof(GetCurrentProcessId()) };
33
34 namespace this_process {
35
36 //! The function returns current process identifier
get_id()37 BOOST_LOG_API process::id get_id()
38 {
39 return process::id(GetCurrentProcessId());
40 }
41
42 } // namespace this_process
43
44 } // namespace aux
45
46 BOOST_LOG_CLOSE_NAMESPACE // namespace log
47
48 } // namespace boost
49
50 #else // defined(BOOST_WINDOWS)
51
52 #include <unistd.h>
53 #include <boost/log/detail/header.hpp>
54
55 namespace boost {
56
57 BOOST_LOG_OPEN_NAMESPACE
58
59 namespace aux {
60
61 namespace this_process {
62
63 //! The function returns current process identifier
get_id()64 BOOST_LOG_API process::id get_id()
65 {
66 // According to POSIX, pid_t should always be an integer type:
67 // http://pubs.opengroup.org/onlinepubs/009695399/basedefs/sys/types.h.html
68 return process::id(getpid());
69 }
70
71 } // namespace this_process
72
73 enum { pid_size = sizeof(pid_t) };
74
75 } // namespace aux
76
77 BOOST_LOG_CLOSE_NAMESPACE // namespace log
78
79 } // namespace boost
80
81 #endif // defined(BOOST_WINDOWS)
82
83
84 namespace boost {
85
86 BOOST_LOG_OPEN_NAMESPACE
87
88 namespace aux {
89
90 template< typename CharT, typename TraitsT >
91 BOOST_LOG_API std::basic_ostream< CharT, TraitsT >&
operator <<(std::basic_ostream<CharT,TraitsT> & strm,process::id const & pid)92 operator<< (std::basic_ostream< CharT, TraitsT >& strm, process::id const& pid)
93 {
94 if (strm.good())
95 {
96 CharT buf[pid_size * 2 + 3]; // 2 chars per byte + 3 chars for the leading 0x and terminating zero
97 format_id< pid_size >(buf, sizeof(buf) / sizeof(*buf), pid.native_id(), (strm.flags() & std::ios_base::uppercase) != 0);
98
99 strm << buf;
100 }
101
102 return strm;
103 }
104
105 #if defined(BOOST_LOG_USE_CHAR)
106 template BOOST_LOG_API
107 std::basic_ostream< char, std::char_traits< char > >&
108 operator<< (std::basic_ostream< char, std::char_traits< char > >& strm, process::id const& pid);
109 #endif // defined(BOOST_LOG_USE_CHAR)
110
111 #if defined(BOOST_LOG_USE_WCHAR_T)
112 template BOOST_LOG_API
113 std::basic_ostream< wchar_t, std::char_traits< wchar_t > >&
114 operator<< (std::basic_ostream< wchar_t, std::char_traits< wchar_t > >& strm, process::id const& pid);
115 #endif // defined(BOOST_LOG_USE_WCHAR_T)
116
117 } // namespace aux
118
119 BOOST_LOG_CLOSE_NAMESPACE // namespace log
120
121 } // namespace boost
122
123 #include <boost/log/detail/footer.hpp>
124