ceph/src/boost/libs/exception/include/boost/exception/errinfo_errno.hpp

   1 //Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc.
   2
   3 //Distributed under the Boost Software License, Version 1.0. (See accompanying
   4 //file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   5
   6 #ifndef UUID_F0EE17BE6C1211DE87FF459155D89593
   7 #define UUID_F0EE17BE6C1211DE87FF459155D89593
   8 #if (__GNUC__*100+__GNUC_MINOR__>301) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
   9 #pragma GCC system_header
  10 #endif
  11 #if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
  12 #pragma warning(push,1)
  13 #pragma warning(disable:4996)
  14 #endif
  15
  16 #include "boost/exception/info.hpp"
  17 #include <errno.h>
  18 #include <string.h>
  19
  20 namespace
  21 boost
  22     {
  23     typedef error_info<struct errinfo_errno_,int> errinfo_errno;
  24
  25     //Usage hint:
  26     //if( c_function(....)!=0 )
  27     //    BOOST_THROW_EXCEPTION(
  28     //        failure() <<
  29     //        errinfo_errno(errno) <<
  30     //        errinfo_api_function("c_function") );
  31     inline
  32     std::string
  33     to_string( errinfo_errno const & e )
  34         {
  35         std::ostringstream tmp;
  36         int v=e.value();
  37         tmp  << '[' << error_info_name(e) << "] = " << v << ", \"" << strerror(v) << "\"\n";
  38         return tmp.str();
  39         }
  40     }
  41
  42 #if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
  43 #pragma warning(pop)
  44 #endif
  45 #endif