jdk/src/share/classes/sun/nio/ch/SelChImpl.java
author alanb
Wed, 06 Apr 2011 20:51:55 +0100
changeset 9237 cbb5753e87e7
parent 5506 202f599c92aa
child 11823 ee83ae88512d
permissions -rw-r--r--
7034155: (ch) NullPointerException in sun.io.ch.IOUtil when OOM is thrown Reviewed-by: forax
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/*
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 * Copyright (c) 2000, 2002, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.  Oracle designates this
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 * particular file as subject to the "Classpath" exception as provided
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 * by Oracle in the LICENSE file that accompanied this code.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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package sun.nio.ch;
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import java.nio.channels.Channel;
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import java.io.FileDescriptor;
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import java.io.IOException;
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/**
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 * An interface that allows translation (and more!).
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 *
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 * @since 1.4
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 */
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interface SelChImpl extends Channel {
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    FileDescriptor getFD();
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    int getFDVal();
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    /**
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     * Adds the specified ops if present in interestOps. The specified
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     * ops are turned on without affecting the other ops.
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     *
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     * @return  true iff the new value of sk.readyOps() set by this method
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     *          contains at least one bit that the previous value did not
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     *          contain
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     */
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    public boolean translateAndUpdateReadyOps(int ops, SelectionKeyImpl sk);
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    /**
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     * Sets the specified ops if present in interestOps. The specified
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     * ops are turned on, and all other ops are turned off.
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     *
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     * @return  true iff the new value of sk.readyOps() set by this method
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     *          contains at least one bit that the previous value did not
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     *          contain
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     */
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    public boolean translateAndSetReadyOps(int ops, SelectionKeyImpl sk);
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    void translateAndSetInterestOps(int ops, SelectionKeyImpl sk);
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    int validOps();
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    void kill() throws IOException;
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}