netty-incubator-buffer-api/buffer-api/src/main/java/io/netty/buffer/api/unsafe/CleanerDrop.java

56 lines
1.5 KiB
Java

/*
* Copyright 2021 The Netty Project
*
* The Netty Project licenses this file to you 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:
*
* https://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 io.netty.buffer.api.unsafe;
import io.netty.buffer.api.Buffer;
import io.netty.buffer.api.Drop;
import io.netty.util.internal.PlatformDependent;
import java.lang.ref.Cleaner;
public class CleanerDrop implements Drop<Buffer> {
private final Drop<Buffer> drop;
public CleanerDrop(UnsafeMemory memory, Drop<Buffer> drop, Cleaner cleaner) {
this.drop = drop;
long address = memory.address;
cleaner.register(memory, new FreeAddress(address));
}
@Override
public void drop(Buffer obj) {
drop.drop(obj);
}
@Override
public void attach(Buffer obj) {
drop.attach(obj);
}
private static class FreeAddress implements Runnable {
private final long address;
FreeAddress(long address) {
this.address = address;
}
@Override
public void run() {
PlatformDependent.freeMemory(address);
}
}
}