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(const R& r); 17 18 #include <future> 19 #include <cassert> 20 21 void func(std::promise<int> p) 22 { 23 const int i = 5; 24 p.set_value_at_thread_exit(i); 25 } 26 27 int main() 28 { 29 { 30 std::promise<int> p; 31 std::future<int> f = p.get_future(); 32 std::thread(func, std::move(p)).detach(); 33 assert(f.get() == 5); 34 } 35 } 36
