ceph/src/boost/libs/thread/include/boost/thread/caller_context.hpp

   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;
  28     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>
  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