| // Copyright 2023 The Bazel Authors. All rights reserved. |
| // |
| // 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. |
| package com.google.devtools.build.lib.concurrent; |
| |
| import static com.google.devtools.build.lib.unsafe.UnsafeProvider.unsafe; |
| |
| import java.lang.ref.Cleaner; |
| import sun.misc.Unsafe; |
| |
| /** Used to cleanup memory allocated by {@link Unsafe#allocateMemory} using {@link Cleaner}. */ |
| final class AddressFreer implements Runnable { |
| private final long address; |
| |
| AddressFreer(long address) { |
| this.address = address; |
| } |
| |
| @Override |
| public void run() { |
| unsafe().freeMemory(address); |
| } |
| } |