__cxx03/__atomic/contention_t.h

0001 //===----------------------------------------------------------------------===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008
0009 #ifndef _LIBCPP___CXX03___ATOMIC_CONTENTION_T_H
0010 #define _LIBCPP___CXX03___ATOMIC_CONTENTION_T_H
0011
0012 #include <__cxx03/__atomic/cxx_atomic_impl.h>
0013 #include <__cxx03/__config>
0014 #include <__cxx03/cstdint>
0015
0016 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
0017 #  pragma GCC system_header
0018 #endif
0019
0020 _LIBCPP_BEGIN_NAMESPACE_STD
0021
0022 #if defined(__linux__) || (defined(_AIX) && !defined(__64BIT__))
0023 using __cxx_contention_t = int32_t;
0024 #else
0025 using __cxx_contention_t = int64_t;
0026 #endif // __linux__ || (_AIX && !__64BIT__)
0027
0028 using __cxx_atomic_contention_t = __cxx_atomic_impl<__cxx_contention_t>;
0029
0030 _LIBCPP_END_NAMESPACE_STD
0031
0032 #endif // _LIBCPP___CXX03___ATOMIC_CONTENTION_T_H