| // future -*- C++ -*- |
| |
| // Copyright (C) 2009, 2010, 2011 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // Under Section 7 of GPL version 3, you are granted additional |
| // permissions described in the GCC Runtime Library Exception, version |
| // 3.1, as published by the Free Software Foundation. |
| |
| // You should have received a copy of the GNU General Public License and |
| // a copy of the GCC Runtime Library Exception along with this program; |
| // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| // <http://www.gnu.org/licenses/>. |
| |
| #include <future> |
| |
| namespace |
| { |
| struct future_error_category : public std::error_category |
| { |
| future_error_category() {} |
| |
| virtual const char* |
| name() const |
| { return "future"; } |
| |
| virtual std::string message(int __ec) const |
| { |
| std::string __msg; |
| switch (std::future_errc(__ec)) |
| { |
| case std::future_errc::broken_promise: |
| __msg = "Broken promise"; |
| break; |
| case std::future_errc::future_already_retrieved: |
| __msg = "Future already retrieved"; |
| break; |
| case std::future_errc::promise_already_satisfied: |
| __msg = "Promise already satisfied"; |
| break; |
| case std::future_errc::no_state: |
| __msg = "No associated state"; |
| break; |
| default: |
| __msg = "Unknown error"; |
| break; |
| } |
| return __msg; |
| } |
| }; |
| |
| const future_error_category& |
| __future_category_instance() |
| { |
| static const future_error_category __fec; |
| return __fec; |
| } |
| } |
| |
| namespace std _GLIBCXX_VISIBILITY(default) |
| { |
| _GLIBCXX_BEGIN_NAMESPACE_VERSION |
| |
| const error_category& future_category() |
| { return __future_category_instance(); } |
| |
| future_error::~future_error() throw() { } |
| |
| const char* |
| future_error::what() const throw() { return _M_code.message().c_str(); } |
| |
| #if defined(_GLIBCXX_HAS_GTHREADS) && defined(_GLIBCXX_USE_C99_STDINT_TR1) \ |
| && defined(_GLIBCXX_ATOMIC_BUILTINS_4) |
| __future_base::_Result_base::_Result_base() = default; |
| |
| __future_base::_Result_base::~_Result_base() = default; |
| |
| __future_base::_State_base::~_State_base() = default; |
| #endif |
| |
| _GLIBCXX_END_NAMESPACE_VERSION |
| } // namespace std |
| |
| // XXX GLIBCXX_ABI Deprecated |
| // gcc-4.6.0 |
| // <future> export changes |
| #if defined(_GLIBCXX_SYMVER_GNU) && defined(PIC) \ |
| && defined(_GLIBCXX_HAVE_AS_SYMVER_DIRECTIVE) \ |
| && defined(_GLIBCXX_HAVE_SYMVER_SYMBOL_RENAMING_RUNTIME_SUPPORT) |
| |
| namespace __gnu_cxx _GLIBCXX_VISIBILITY(default) |
| { |
| const std::error_category* future_category = &__future_category_instance(); |
| } |
| |
| #define _GLIBCXX_ASM_SYMVER(cur, old, version) \ |
| asm (".symver " #cur "," #old "@@@" #version); |
| |
| _GLIBCXX_ASM_SYMVER(_ZN9__gnu_cxx15future_categoryE, _ZSt15future_category, GLIBCXX_3.4.14) |
| |
| #endif |
| |