Move folly/experimental/AsymmetricMemoryBarrier.h

[folly.git] / folly / experimental / AsymmetricMemoryBarrier.h

diff --git a/folly/experimental/AsymmetricMemoryBarrier.h b/folly/experimental/AsymmetricMemoryBarrier.h
deleted file mode 100644 (file)
index c20157d..0000000
--- a/folly/experimental/AsymmetricMemoryBarrier.h
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * Copyright 2017 Facebook, Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include <atomic>
-
-#include <folly/portability/Asm.h>
-
-namespace folly {
-
-enum class AMBFlags {
-  NORMAL,
-  EXPEDITED,
-};
-
-FOLLY_ALWAYS_INLINE void asymmetricLightBarrier() {
-  if (kIsLinux) {
-    asm_volatile_memory();
-  } else {
-    std::atomic_thread_fence(std::memory_order_seq_cst);
-  }
-}
-
-void asymmetricHeavyBarrier(AMBFlags flags = AMBFlags::NORMAL);
-} // namespace folly