| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| |
| // <mutex> |
| |
| // struct defer_lock_t { explicit defer_lock_t() = default; }; |
| // struct try_to_lock_t { explicit try_to_lock_t() = default; }; |
| // struct adopt_lock_t { explicit adopt_lock_t() = default; }; |
| // |
| // constexpr defer_lock_t defer_lock{}; |
| // constexpr try_to_lock_t try_to_lock{}; |
| // constexpr adopt_lock_t adopt_lock{}; |
| |
| #include <mutex> |
| |
| #include "test_macros.h" |
| |
| int main(int, char**) |
| { |
| typedef std::defer_lock_t T1; |
| typedef std::try_to_lock_t T2; |
| typedef std::adopt_lock_t T3; |
| |
| T1 t1 = std::defer_lock; ((void)t1); |
| T2 t2 = std::try_to_lock; ((void)t2); |
| T3 t3 = std::adopt_lock; ((void)t3); |
| |
| return 0; |
| } |