| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // UNSUPPORTED: libcpp-has-no-threads |
| // XFAIL: c++98, c++03 |
| |
| // <atomic> |
| |
| // struct atomic_flag |
| |
| // atomic_flag() = ATOMIC_FLAG_INIT; |
| |
| #include <atomic> |
| #include <cassert> |
| |
| int main() |
| { |
| std::atomic_flag f = ATOMIC_FLAG_INIT; |
| assert(f.test_and_set() == 0); |
| } |