0,0 → 1,90 |
// future -*- C++ -*- |
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// Copyright (C) 2009-2013 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. |
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// 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. |
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// 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. |
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// 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/>. |
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#include <future> |
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namespace |
{ |
struct future_error_category : public std::error_category |
{ |
virtual const char* |
name() const noexcept |
{ return "future"; } |
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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; |
} |
}; |
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const future_error_category& |
__future_category_instance() noexcept |
{ |
static const future_error_category __fec{}; |
return __fec; |
} |
} |
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namespace std _GLIBCXX_VISIBILITY(default) |
{ |
_GLIBCXX_BEGIN_NAMESPACE_VERSION |
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const error_category& future_category() noexcept |
{ return __future_category_instance(); } |
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future_error::~future_error() noexcept { } |
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const char* |
future_error::what() const noexcept { return _M_code.message().c_str(); } |
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#if defined(_GLIBCXX_HAS_GTHREADS) && defined(_GLIBCXX_USE_C99_STDINT_TR1) \ |
&& (ATOMIC_INT_LOCK_FREE > 1) |
__future_base::_Result_base::_Result_base() = default; |
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__future_base::_Result_base::~_Result_base() = default; |
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__future_base::_State_base::~_State_base() = default; |
#endif |
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_GLIBCXX_END_NAMESPACE_VERSION |
} // namespace std |