1 // (C) Copyright 2013,2015 Vicente J. Botet Escriba
2 // Distributed under the Boost Software License, Version 1.0. (See
3 // accompanying file LICENSE_1_0.txt or copy at
4 // http://www.boost.org/LICENSE_1_0.txt)
5 
6 
7 #ifndef BOOST_THREAD_CALL_CONTEXT_HPP
8 #define BOOST_THREAD_CALL_CONTEXT_HPP
9 
10 #include <boost/thread/detail/config.hpp>
11 #if defined BOOST_THREAD_USES_LOG_THREAD_ID
12 #include <boost/thread/thread.hpp>
13 #endif
14 #include <boost/current_function.hpp>
15 #include <boost/io/ios_state.hpp>
16 #include <iomanip>
17 
18 #include <boost/config/abi_prefix.hpp>
19 
20 namespace boost
21 {
22 
23   struct caller_context_t
24   {
25     const char * filename;
26     unsigned lineno;
27     const char * func;
caller_context_tboost::caller_context_t28     caller_context_t(const char * filename, unsigned lineno, const char * func) :
29       filename(filename), lineno(lineno), func(func)
30     {
31     }
32   };
33 
34 #define BOOST_CONTEXTOF boost::caller_context_t(__FILE__, __LINE__, BOOST_CURRENT_FUNCTION)
35 
36   template <typename OStream>
operator <<(OStream & os,caller_context_t const & ctx)37   OStream& operator<<(OStream& os, caller_context_t const& ctx)
38   {
39 #if defined BOOST_THREAD_USES_LOG_THREAD_ID
40     {
41       io::ios_flags_saver ifs( os );
42       os << std::left << std::setw(14) << boost::this_thread::get_id() << " ";
43     }
44 #endif
45     {
46       io::ios_flags_saver ifs(os);
47       os << std::setw(50) << ctx.filename << "["
48          << std::setw(4) << std::right << std::dec<< ctx.lineno << "] ";
49 #if defined BOOST_THREAD_USES_LOG_CURRENT_FUNCTION
50       os << ctx.func << " " ;
51 #endif
52     }
53     return os;
54   }
55 }
56 
57 #include <boost/config/abi_suffix.hpp>
58 
59 #endif // header
60