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 
exceptional_ptrboost::exceptional_ptr19     exceptional_ptr() : ptr_() {}
exceptional_ptrboost::exceptional_ptr20     explicit exceptional_ptr(exception_ptr ex) : ptr_(ex) {}
21     template <class E>
exceptional_ptrboost::exceptional_ptr22     explicit exceptional_ptr(BOOST_FWD_REF(E) ex) : ptr_(boost::copy_exception(boost::forward<E>(ex))) {}
23   };
24 
25   template <class E>
make_exceptional(BOOST_FWD_REF (E)ex)26   inline exceptional_ptr make_exceptional(BOOST_FWD_REF(E) ex) {
27     return exceptional_ptr(boost::forward<E>(ex));
28   }
29 
make_exceptional(exception_ptr ex)30   inline exceptional_ptr make_exceptional(exception_ptr ex)
31   {
32     return exceptional_ptr(ex);
33   }
34 
make_exceptional()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
45