diff options
Diffstat (limited to 'libstdc++-v3/include/std/future')
| -rw-r--r-- | libstdc++-v3/include/std/future | 35 |
1 files changed, 23 insertions, 12 deletions
diff --git a/libstdc++-v3/include/std/future b/libstdc++-v3/include/std/future index fea915b0a87..8ba13069510 100644 --- a/libstdc++-v3/include/std/future +++ b/libstdc++-v3/include/std/future @@ -95,11 +95,10 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION */ class future_error : public logic_error { - error_code _M_code; - public: - explicit future_error(error_code __ec) - : logic_error("std::future_error: " + __ec.message()), _M_code(__ec) + explicit + future_error(future_errc __errc) + : future_error(std::make_error_code(__errc)) { } virtual ~future_error() noexcept; @@ -109,6 +108,16 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION const error_code& code() const noexcept { return _M_code; } + + private: + explicit + future_error(error_code __ec) + : logic_error("std::future_error: " + __ec.message()), _M_code(__ec) + { } + + friend void __throw_future_error(int); + + error_code _M_code; }; // Forward declarations. @@ -426,8 +435,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION { if (static_cast<bool>(__res)) { - error_code __ec(make_error_code(future_errc::broken_promise)); - __res->_M_error = make_exception_ptr(future_error(__ec)); + __res->_M_error = + make_exception_ptr(future_error(future_errc::broken_promise)); // This function is only called when the last asynchronous result // provider is abandoning this shared state, so noone can be // trying to make the shared state ready at the same time, and @@ -769,7 +778,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION return std::move(this->_M_get_result()._M_value()); } - shared_future<_Res> share(); + shared_future<_Res> share() noexcept; }; /// Partial specialization for future<R&> @@ -812,7 +821,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION return this->_M_get_result()._M_get(); } - shared_future<_Res&> share(); + shared_future<_Res&> share() noexcept; }; /// Explicit specialization for future<void> @@ -855,7 +864,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION this->_M_get_result(); } - shared_future<void> share(); + shared_future<void> share() noexcept; }; @@ -995,18 +1004,20 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION : _M_state(std::move(__uf._M_state)) { } + // _GLIBCXX_RESOLVE_LIB_DEFECTS + // 2556. Wide contract for future::share() template<typename _Res> inline shared_future<_Res> - future<_Res>::share() + future<_Res>::share() noexcept { return shared_future<_Res>(std::move(*this)); } template<typename _Res> inline shared_future<_Res&> - future<_Res&>::share() + future<_Res&>::share() noexcept { return shared_future<_Res&>(std::move(*this)); } inline shared_future<void> - future<void>::share() + future<void>::share() noexcept { return shared_future<void>(std::move(*this)); } /// Primary template for promise |