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authorRong Xu <xur@google.com>2014-09-02 15:29:57 -0700
committerRong Xu <xur@google.com>2014-09-02 15:29:57 -0700
commite97c99f15937e5762a973b25192aab824126a6d3 (patch)
tree7f0be3ff7c7d976af06887dc50accd68f7630a7f /gcc-4.9/libstdc++-v3/include/std/future
parentf1c18afafc2b321465ae6b07ede127095942d7dc (diff)
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[gcc-4.9] Merge svn r214745 from google/gcc-4_9 branch.
Merge gcc-4_9 source r214745 from google/gcc-4_9 branch. Change-Id: Ie6fa0fd72f4b4eec3adc4db4bb922e652d1c2605
Diffstat (limited to 'gcc-4.9/libstdc++-v3/include/std/future')
-rw-r--r--gcc-4.9/libstdc++-v3/include/std/future20
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 998e90a..d446b9d 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;
+ }
} };
}