//===----------------------------------------------------------------------===// // // 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 _LIBCPP___ATOMIC_IS_ALWAYS_LOCK_FREE_H #define _LIBCPP___ATOMIC_IS_ALWAYS_LOCK_FREE_H #include <__config> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) # pragma GCC system_header #endif _LIBCPP_BEGIN_NAMESPACE_STD template struct __libcpp_is_always_lock_free { // __atomic_always_lock_free is available in all Standard modes static const bool __value = __atomic_always_lock_free(sizeof(_Tp), nullptr); }; _LIBCPP_END_NAMESPACE_STD #endif // _LIBCPP___ATOMIC_IS_ALWAYS_LOCK_FREE_H