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 *  Copyright (c) 2014-2019 Appsicle
 *  Copyright (c) 2019-2020 QuestDB
 *
 *  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
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 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
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package io.questdb.network;

public class KqueueAccessor {
    public static final short EVFILT_READ;
    public static final short SIZEOF_KEVENT;
    public static final int EV_EOF = -32751;
    static final short EV_ONESHOT;
    static final short EVFILT_WRITE;
    static final short FD_OFFSET;
    static final short FILTER_OFFSET;
    static final short FLAGS_OFFSET;
    static final short DATA_OFFSET;
    static final short EV_ADD;

    static {
        EVFILT_READ = getEvfiltRead();
        EVFILT_WRITE = getEvfiltWrite();
        SIZEOF_KEVENT = getSizeofKevent();
        FD_OFFSET = getFdOffset();
        FILTER_OFFSET = getFilterOffset();
        FLAGS_OFFSET = getFlagsOffset();
        DATA_OFFSET = getDataOffset();
        EV_ADD = getEvAdd();
        EV_ONESHOT = getEvOneshot();
    }

    static native int kevent(int kq, long changeList, int nChanges, long eventList, int nEvents);

    static native int kqueue();

    static native short getEvfiltRead();

    static native short getEvfiltWrite();

    static native short getSizeofKevent();

    static native short getFdOffset();

    static native short getFilterOffset();

    static native short getEvAdd();

    static native short getEvOneshot();

    static native short getFlagsOffset();

    static native short getDataOffset();

}