1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // UNSUPPORTED: no-threads 10 // UNSUPPORTED: c++03 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 #include "make_test_thread.h" 22 #include "test_macros.h" 23 func(std::promise<int> p)24void func(std::promise<int> p) 25 { 26 const int i = 5; 27 p.set_value_at_thread_exit(i); 28 } 29 main(int,char **)30int main(int, char**) 31 { 32 { 33 std::promise<int> p; 34 std::future<int> f = p.get_future(); 35 support::make_test_thread(func, std::move(p)).detach(); 36 assert(f.get() == 5); 37 } 38 39 return 0; 40 } 41