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_CHECK_MEMORY_ORDER_H
10 #define _LIBCPP___ATOMIC_CHECK_MEMORY_ORDER_H
11 
12 #include <__config>
13 
14 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
15 #  pragma GCC system_header
16 #endif
17 
18 #define _LIBCPP_CHECK_STORE_MEMORY_ORDER(__m)                                                                          \
19   _LIBCPP_DIAGNOSE_WARNING(__m == memory_order_consume || __m == memory_order_acquire || __m == memory_order_acq_rel,  \
20                            "memory order argument to atomic operation is invalid")
21 
22 #define _LIBCPP_CHECK_LOAD_MEMORY_ORDER(__m)                                                                           \
23   _LIBCPP_DIAGNOSE_WARNING(__m == memory_order_release || __m == memory_order_acq_rel,                                 \
24                            "memory order argument to atomic operation is invalid")
25 
26 #define _LIBCPP_CHECK_EXCHANGE_MEMORY_ORDER(__m, __f)                                                                  \
27   _LIBCPP_DIAGNOSE_WARNING(__f == memory_order_release || __f == memory_order_acq_rel,                                 \
28                            "memory order argument to atomic operation is invalid")
29 
30 #endif // _LIBCPP___ATOMIC_CHECK_MEMORY_ORDER_H
31