1 //===--- Definition of a type for a futex word ------------------*- C++ -*-===//
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 #ifndef LLVM_LIBC_SRC_SUPPORT_THREADS_LINUX_FUTEX_WORD_H
10 #define LLVM_LIBC_SRC_SUPPORT_THREADS_LINUX_FUTEX_WORD_H
11 
12 #include "src/__support/architectures.h"
13 
14 namespace __llvm_libc {
15 
16 #if defined(LLVM_LIBC_ARCH_X86_64) || defined(LLVM_LIBC_ARCH_AARCH64)
17 using FutexWordType = unsigned int;
18 #else
19 #error "FutexWordType not defined for the target architecture."
20 #endif
21 
22 } // namespace __llvm_libc
23 
24 #endif // LLVM_LIBC_SRC_SUPPORT_THREADS_LINUX_FUTEX_WORD_H
25