12b38234e5
This allows the pooling allocator to precisely control how each allocation should be dropped. This is important to the pooling allocator, because it needs to know what arena, chunk, page, run, etc. is being freed, exactly.
32 lines
1.3 KiB
Java
32 lines
1.3 KiB
Java
/*
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* Copyright 2020 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.buffer.api;
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import java.lang.ref.Cleaner;
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public interface MemoryManager {
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boolean isNative();
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Buffer allocateShared(AllocatorControl allocatorControl, long size, Drop<Buffer> drop, Cleaner cleaner);
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Buffer allocateConstChild(Buffer readOnlyConstParent);
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Drop<Buffer> drop();
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Object unwrapRecoverableMemory(Buffer buf);
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int capacityOfRecoverableMemory(Object memory);
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void discardRecoverableMemory(Object recoverableMemory);
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// todo should recoverMemory re-attach a cleaner?
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Buffer recoverMemory(AllocatorControl allocatorControl, Object recoverableMemory, Drop<Buffer> drop);
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Object sliceMemory(Object memory, int offset, int length);
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}
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