future continues ...
llvm-svn: 112284
diff --git a/libcxx/src/future.cpp b/libcxx/src/future.cpp
index f9547c6..82b9b60 100644
--- a/libcxx/src/future.cpp
+++ b/libcxx/src/future.cpp
@@ -60,4 +60,161 @@
{
}
+void
+__assoc_sub_state::__on_zero_shared()
+{
+ delete this;
+}
+
+void
+__assoc_sub_state::set_value()
+{
+ unique_lock<mutex> __lk(__mut_);
+ if (__has_value())
+ throw future_error(make_error_code(future_errc::promise_already_satisfied));
+ __state_ |= __constructed | ready;
+ __lk.unlock();
+ __cv_.notify_all();
+}
+
+void
+__assoc_sub_state::set_value_at_thread_exit()
+{
+ unique_lock<mutex> __lk(__mut_);
+ if (__has_value())
+ throw future_error(make_error_code(future_errc::promise_already_satisfied));
+ __state_ |= __constructed;
+ __thread_local_data->__make_ready_at_thread_exit(this);
+ __lk.unlock();
+}
+
+void
+__assoc_sub_state::set_exception(exception_ptr __p)
+{
+ unique_lock<mutex> __lk(__mut_);
+ if (__has_value())
+ throw future_error(make_error_code(future_errc::promise_already_satisfied));
+ __exception_ = __p;
+ __state_ |= ready;
+ __lk.unlock();
+ __cv_.notify_all();
+}
+
+void
+__assoc_sub_state::set_exception_at_thread_exit(exception_ptr __p)
+{
+ unique_lock<mutex> __lk(__mut_);
+ if (__has_value())
+ throw future_error(make_error_code(future_errc::promise_already_satisfied));
+ __exception_ = __p;
+ __thread_local_data->__make_ready_at_thread_exit(this);
+ __lk.unlock();
+}
+
+void
+__assoc_sub_state::__make_ready()
+{
+ unique_lock<mutex> __lk(__mut_);
+ __state_ |= ready;
+ __lk.unlock();
+ __cv_.notify_all();
+}
+
+void
+__assoc_sub_state::copy()
+{
+ unique_lock<mutex> __lk(__mut_);
+ while (!__is_ready())
+ __cv_.wait(__lk);
+ if (__exception_ != nullptr)
+ rethrow_exception(__exception_);
+}
+
+void
+__assoc_sub_state::wait() const
+{
+ unique_lock<mutex> __lk(__mut_);
+ while (!__is_ready())
+ __cv_.wait(__lk);
+}
+
+future<void>::future(__assoc_sub_state* __state)
+ : __state_(__state)
+{
+ if (__state_->__has_future_attached())
+ throw future_error(make_error_code(future_errc::future_already_retrieved));
+ __state_->__add_shared();
+}
+
+future<void>::~future()
+{
+ if (__state_)
+ __state_->__release_shared();
+}
+
+void
+future<void>::get()
+{
+ __assoc_sub_state* __s = __state_;
+ __state_ = nullptr;
+ return __s->copy();
+}
+
+promise<void>::promise()
+ : __state_(new __assoc_sub_state)
+{
+}
+
+promise<void>::~promise()
+{
+ if (__state_)
+ {
+ if (!__state_->__has_value() && __state_->use_count() > 1)
+ __state_->set_exception(make_exception_ptr(
+ future_error(make_error_code(future_errc::broken_promise))
+ ));
+ __state_->__release_shared();
+ }
+}
+
+future<void>
+promise<void>::get_future()
+{
+ if (__state_ == nullptr)
+ throw future_error(make_error_code(future_errc::no_state));
+ return future<void>(__state_);
+}
+
+void
+promise<void>::set_value()
+{
+ if (__state_ == nullptr)
+ throw future_error(make_error_code(future_errc::no_state));
+ __state_->set_value();
+}
+
+void
+promise<void>::set_exception(exception_ptr __p)
+{
+ if (__state_ == nullptr)
+ throw future_error(make_error_code(future_errc::no_state));
+ __state_->set_exception(__p);
+}
+
+void
+promise<void>::set_value_at_thread_exit()
+{
+ if (__state_ == nullptr)
+ throw future_error(make_error_code(future_errc::no_state));
+ __state_->set_value_at_thread_exit();
+}
+
+void
+promise<void>::set_exception_at_thread_exit(exception_ptr __p)
+{
+ if (__state_ == nullptr)
+ throw future_error(make_error_code(future_errc::no_state));
+ __state_->set_exception_at_thread_exit(__p);
+}
+
_LIBCPP_END_NAMESPACE_STD
