thread/futures/future_error.hpp

0001 //  (C) Copyright 2008-10 Anthony Williams
0002 //  (C) Copyright 2011-2015 Vicente J. Botet Escriba
0003 //
0004 //  Distributed under the Boost Software License, Version 1.0. (See
0005 //  accompanying file LICENSE_1_0.txt or copy at
0006 //  http://www.boost.org/LICENSE_1_0.txt)
0007
0008 #ifndef BOOST_THREAD_FUTURES_FUTURE_ERROR_HPP
0009 #define BOOST_THREAD_FUTURES_FUTURE_ERROR_HPP
0010
0011 #include <boost/thread/detail/config.hpp>
0012
0013 #include <boost/thread/futures/future_error_code.hpp>
0014 #include <boost/system/error_code.hpp>
0015
0016 #include <stdexcept>
0017
0018 namespace boost
0019 {
0020   class BOOST_SYMBOL_VISIBLE future_error
0021       : public std::logic_error
0022   {
0023       system::error_code ec_;
0024   public:
0025       future_error(system::error_code ec)
0026       : logic_error(ec.message()),
0027         ec_(ec)
0028       {
0029       }
0030
0031       const system::error_code& code() const BOOST_NOEXCEPT
0032       {
0033         return ec_;
0034       }
0035   };
0036
0037     class BOOST_SYMBOL_VISIBLE future_uninitialized:
0038         public future_error
0039     {
0040     public:
0041         future_uninitialized() :
0042           future_error(system::make_error_code(future_errc::no_state))
0043         {}
0044     };
0045     class BOOST_SYMBOL_VISIBLE broken_promise:
0046         public future_error
0047     {
0048     public:
0049         broken_promise():
0050           future_error(system::make_error_code(future_errc::broken_promise))
0051         {}
0052     };
0053     class BOOST_SYMBOL_VISIBLE future_already_retrieved:
0054         public future_error
0055     {
0056     public:
0057         future_already_retrieved():
0058           future_error(system::make_error_code(future_errc::future_already_retrieved))
0059         {}
0060     };
0061     class BOOST_SYMBOL_VISIBLE promise_already_satisfied:
0062         public future_error
0063     {
0064     public:
0065         promise_already_satisfied():
0066           future_error(system::make_error_code(future_errc::promise_already_satisfied))
0067         {}
0068     };
0069
0070     class BOOST_SYMBOL_VISIBLE task_already_started:
0071         public future_error
0072     {
0073     public:
0074         task_already_started():
0075         future_error(system::make_error_code(future_errc::promise_already_satisfied))
0076         {}
0077     };
0078
0079     class BOOST_SYMBOL_VISIBLE task_moved:
0080         public future_error
0081     {
0082     public:
0083         task_moved():
0084           future_error(system::make_error_code(future_errc::no_state))
0085         {}
0086     };
0087
0088     class promise_moved:
0089         public future_error
0090     {
0091     public:
0092           promise_moved():
0093           future_error(system::make_error_code(future_errc::no_state))
0094         {}
0095     };
0096 }
0097
0098 #endif // header