| //===-- Definition of type which can represent a futex word ---------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef __LLVM_LIBC_TYPES_FUTEX_WORD_H__ |
| #define __LLVM_LIBC_TYPES_FUTEX_WORD_H__ |
| |
| typedef struct { |
| // Futex word should be aligned appropriately to allow target atomic |
| // instructions. This declaration mimics the internal setup. |
| _Alignas(sizeof(__UINT32_TYPE__) > _Alignof(__UINT32_TYPE__) |
| ? sizeof(__UINT32_TYPE__) |
| : _Alignof(__UINT32_TYPE__)) __UINT32_TYPE__ __word; |
| } __futex_word; |
| |
| #endif // __LLVM_LIBC_TYPES_FUTEX_WORD_H__ |
