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42 lines
1.4 KiB
Java
42 lines
1.4 KiB
Java
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil -*-
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*
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* The contents of this file are subject to the Mozilla Public License
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* Version 1.0 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS"
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* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
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* the License for the specific language governing rights and limitations
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* under the License.
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*
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* The Original Code is the Grendel mail/news client.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are Copyright (C) 1997
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* Netscape Communications Corporation. All Rights Reserved.
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*/
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package calypso.util;
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public interface MemoryPressure {
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/**
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* This method is called by the garbage collector just before a
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* garbage collection is about to begin.
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*/
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void preGC(long aCurrentHeapSpace, long aMaximumHeapSpace);
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/**
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* This method is called by the garbage collector just after a
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* collection has finished.
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*/
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void postGC(long aCurrentHeapSpace, long aMaximumHeapSpace);
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/**
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* This method is called by the garbage collector when the
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* heap is essentially full and can no longer grow. When this
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* occurs <B>all</B> caches of objects should be flushed.
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*/
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void panic();
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}
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