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501e3f2 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 | // -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// 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
// SPDX-FileCopyrightText: Copyright (c) 2023 NVIDIA CORPORATION & AFFILIATES.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCUDACXX___CUDA_ATOMIC_PRELUDE_H
#define _LIBCUDACXX___CUDA_ATOMIC_PRELUDE_H
#ifndef __cuda_std__
#error "<__cuda/atomic_prelude> should only be included in from <cuda/std/atomic>"
#endif // __cuda_std__
#ifndef _LIBCUDACXX_COMPILER_NVRTC
#include "../cassert" // TRANSITION: Fix transitive includes
#include <atomic>
static_assert(ATOMIC_BOOL_LOCK_FREE == 2, "");
static_assert(ATOMIC_CHAR_LOCK_FREE == 2, "");
static_assert(ATOMIC_CHAR16_T_LOCK_FREE == 2, "");
static_assert(ATOMIC_CHAR32_T_LOCK_FREE == 2, "");
static_assert(ATOMIC_WCHAR_T_LOCK_FREE == 2, "");
static_assert(ATOMIC_SHORT_LOCK_FREE == 2, "");
static_assert(ATOMIC_INT_LOCK_FREE == 2, "");
static_assert(ATOMIC_LONG_LOCK_FREE == 2, "");
static_assert(ATOMIC_LLONG_LOCK_FREE == 2, "");
static_assert(ATOMIC_POINTER_LOCK_FREE == 2, "");
#undef ATOMIC_BOOL_LOCK_FREE
#undef ATOMIC_BOOL_LOCK_FREE
#undef ATOMIC_CHAR_LOCK_FREE
#undef ATOMIC_CHAR16_T_LOCK_FREE
#undef ATOMIC_CHAR32_T_LOCK_FREE
#undef ATOMIC_WCHAR_T_LOCK_FREE
#undef ATOMIC_SHORT_LOCK_FREE
#undef ATOMIC_INT_LOCK_FREE
#undef ATOMIC_LONG_LOCK_FREE
#undef ATOMIC_LLONG_LOCK_FREE
#undef ATOMIC_POINTER_LOCK_FREE
#undef ATOMIC_FLAG_INIT
#undef ATOMIC_VAR_INIT
#endif // _LIBCUDACXX_COMPILER_NVRTC
// pre-define lock free query for heterogeneous compatibility
#ifndef _LIBCUDACXX_ATOMIC_IS_LOCK_FREE
#define _LIBCUDACXX_ATOMIC_IS_LOCK_FREE(__x) (__x <= 8)
#endif
#ifndef _LIBCUDACXX_COMPILER_NVRTC
#include <thread>
#include <errno.h>
#endif // _LIBCUDACXX_COMPILER_NVRTC
#endif // _LIBCUDACXX___CUDA_ATOMIC_PRELUDE_H
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