1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // UNSUPPORTED: libcpp-has-no-threads 11 12 // <future> 13 14 // class promise<R> 15 16 // void promise::set_value_at_thread_exit(R&& r); 17 18 #include <future> 19 #include <memory> 20 #include <cassert> 21 22 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 23 24 void func(std::promise<std::unique_ptr<int>> p) 25 { 26 p.set_value_at_thread_exit(std::unique_ptr<int>(new int(5))); 27 } 28 29 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 30 31 int main() 32 { 33 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 34 { 35 std::promise<std::unique_ptr<int>> p; 36 std::future<std::unique_ptr<int>> f = p.get_future(); 37 std::thread(func, std::move(p)).detach(); 38 assert(*f.get() == 5); 39 } 40 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 41 } 42
