libcxx/include/__atomic/contention_t.h

   1 //===----------------------------------------------------------------------===//
   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 _LIBCPP___ATOMIC_CONTENTION_T_H
  10 #define _LIBCPP___ATOMIC_CONTENTION_T_H
  11
  12 #include <__atomic/cxx_atomic_impl.h>
  13 #include <__config>
  14 #include <cstdint>
  15
  16 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
  17 #  pragma GCC system_header
  18 #endif
  19
  20 _LIBCPP_BEGIN_NAMESPACE_STD
  21
  22 #if defined(__linux__) || (defined(_AIX) && !defined(__64BIT__))
  23 using __cxx_contention_t = int32_t;
  24 #else
  25 using __cxx_contention_t = int64_t;
  26 #endif // __linux__ || (_AIX && !__64BIT__)
  27
  28 using __cxx_atomic_contention_t = __cxx_atomic_impl<__cxx_contention_t>;
  29
  30 _LIBCPP_END_NAMESPACE_STD
  31
  32 #endif // _LIBCPP___ATOMIC_CONTENTION_T_H