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: libcpp-has-no-experimental-stop_token |
11 | // UNSUPPORTED: c++03, c++11, c++14, c++17 |
12 | // XFAIL: availability-synchronization_library-missing |
13 | |
14 | // [[nodiscard]] stop_token get_token() const noexcept; |
15 | // [[nodiscard]] bool stop_possible() const noexcept; |
16 | // [[nodiscard]] bool stop_requested() const noexcept; |
17 | // [[nodiscard]] friend bool operator==(const stop_source& lhs, const stop_source& rhs) noexcept; |
18 | |
19 | #include <stop_token> |
20 | |
21 | void test() { |
22 | std::stop_source ss; |
23 | ss.get_token(); // expected-warning {{ignoring return value of function}} |
24 | ss.stop_requested(); // expected-warning {{ignoring return value of function}} |
25 | ss.stop_possible(); // expected-warning {{ignoring return value of function}} |
26 | operator==(ss, ss); // expected-warning {{ignoring return value of function}} |
27 | } |
28 | |