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

   1 // Distributed under the Boost Software License, Version 1.0. (See
   2 // accompanying file LICENSE_1_0.txt or copy at
   3 // http://www.boost.org/LICENSE_1_0.txt)
   4 // (C) Copyright 2014 Vicente J. Botet Escriba
   5
   6 #ifndef BOOST_THREAD_EXCEPTIONAL_PTR_HPP
   7 #define BOOST_THREAD_EXCEPTIONAL_PTR_HPP
   8
   9 #include <boost/thread/detail/move.hpp>
  10 #include <boost/exception_ptr.hpp>
  11
  12 #include <boost/config/abi_prefix.hpp>
  13
  14 namespace boost
  15 {
  16   struct exceptional_ptr {
  17     exception_ptr ptr_;
  18
  19     exceptional_ptr() : ptr_() {}
  20     explicit exceptional_ptr(exception_ptr ex) : ptr_(ex) {}
  21     template <class E>
  22     explicit exceptional_ptr(BOOST_FWD_REF(E) ex) : ptr_(boost::copy_exception(boost::forward<E>(ex))) {}
  23   };
  24
  25   template <class E>
  26   inline exceptional_ptr make_exceptional(BOOST_FWD_REF(E) ex) {
  27     return exceptional_ptr(boost::forward<E>(ex));
  28   }
  29
  30   inline exceptional_ptr make_exceptional(exception_ptr ex)
  31   {
  32     return exceptional_ptr(ex);
  33   }
  34
  35   inline exceptional_ptr make_exceptional()
  36   {
  37     return exceptional_ptr();
  38   }
  39
  40 } // namespace boost
  41
  42 #include <boost/config/abi_suffix.hpp>
  43
  44 #endif