aboutsummaryrefslogtreecommitdiff
path: root/libcxx/include/__atomic/check_memory_order.h
diff options
context:
space:
mode:
Diffstat (limited to 'libcxx/include/__atomic/check_memory_order.h')
-rw-r--r--libcxx/include/__atomic/check_memory_order.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/libcxx/include/__atomic/check_memory_order.h b/libcxx/include/__atomic/check_memory_order.h
new file mode 100644
index 000000000000..d744312122bd
--- /dev/null
+++ b/libcxx/include/__atomic/check_memory_order.h
@@ -0,0 +1,34 @@
+//===----------------------------------------------------------------------===//
+//
+// 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_CHECK_MEMORY_ORDER_H
+#define _LIBCPP___ATOMIC_CHECK_MEMORY_ORDER_H
+
+#include <__config>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+# pragma GCC system_header
+#endif
+
+#define _LIBCPP_CHECK_STORE_MEMORY_ORDER(__m) \
+ _LIBCPP_DIAGNOSE_WARNING(__m == memory_order_consume || \
+ __m == memory_order_acquire || \
+ __m == memory_order_acq_rel, \
+ "memory order argument to atomic operation is invalid")
+
+#define _LIBCPP_CHECK_LOAD_MEMORY_ORDER(__m) \
+ _LIBCPP_DIAGNOSE_WARNING(__m == memory_order_release || \
+ __m == memory_order_acq_rel, \
+ "memory order argument to atomic operation is invalid")
+
+#define _LIBCPP_CHECK_EXCHANGE_MEMORY_ORDER(__m, __f) \
+ _LIBCPP_DIAGNOSE_WARNING(__f == memory_order_release || \
+ __f == memory_order_acq_rel, \
+ "memory order argument to atomic operation is invalid")
+
+#endif // _LIBCPP___ATOMIC_CHECK_MEMORY_ORDER_H