diff options
Diffstat (limited to 'gcc-4.9/libstdc++-v3/include/std/future')
| -rw-r--r-- | gcc-4.9/libstdc++-v3/include/std/future | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/gcc-4.9/libstdc++-v3/include/std/future b/gcc-4.9/libstdc++-v3/include/std/future index 998e90a98..d446b9d55 100644 --- a/gcc-4.9/libstdc++-v3/include/std/future +++ b/gcc-4.9/libstdc++-v3/include/std/future @@ -1240,6 +1240,10 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION { _M_result->_M_set(_M_fn()); } + __catch(const __cxxabiv1::__forced_unwind&) + { + __throw_exception_again; // will cause broken_promise + } __catch(...) { _M_result->_M_error = current_exception(); @@ -1259,6 +1263,10 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION { _M_fn(); } + __catch(const __cxxabiv1::__forced_unwind&) + { + __throw_exception_again; // will cause broken_promise + } __catch(...) { _M_result->_M_error = current_exception(); @@ -1519,7 +1527,17 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION : _M_result(new _Result<_Res>()), _M_fn(std::move(__fn)) { _M_thread = std::thread{ [this] { - _M_set_result(_S_task_setter(_M_result, _M_fn)); + __try + { + _M_set_result(_S_task_setter(_M_result, _M_fn)); + } + __catch (const __cxxabiv1::__forced_unwind&) + { + // make the shared state ready on thread cancellation + if (static_cast<bool>(_M_result)) + this->_M_break_promise(std::move(_M_result)); + __throw_exception_again; + } } }; } |