deep-c-rsc/JCGO/goclsp/vm/gnu/java/nio/KqueueSelectorImpl.java
2021-07-16 17:12:20 -05:00

134 lines
3.4 KiB
Java

/*
* @(#) $(JCGO)/goclsp/vm/gnu/java/nio/KqueueSelectorImpl.java --
* VM selector implementation for systems with "kqueue" notification.
**
* Project: JCGO (http://www.ivmaisoft.com/jcgo/)
* Copyright (C) 2001-2007 Ivan Maidanski <ivmai@ivmaisoft.com>
* All rights reserved.
**
* Class specification origin: GNU Classpath v0.93
*/
/*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
**
* This software is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License (GPL) for more details.
**
* Linking this library statically or dynamically with other modules is
* making a combined work based on this library. Thus, the terms and
* conditions of the GNU General Public License cover the whole
* combination.
**
* As a special exception, the copyright holders of this library give you
* permission to link this library with independent modules to produce an
* executable, regardless of the license terms of these independent
* modules, and to copy and distribute the resulting executable under
* terms of your choice, provided that you also meet, for each linked
* independent module, the terms and conditions of the license of that
* module. An independent module is a module which is not derived from
* or based on this library. If you modify this library, you may extend
* this exception to your version of the library, but you are not
* obligated to do so. If you do not wish to do so, delete this
* exception statement from your version.
*/
package gnu.java.nio;
import java.io.IOException;
import java.nio.channels.SelectionKey;
import java.nio.channels.Selector;
import java.nio.channels.spi.AbstractSelectableChannel;
import java.nio.channels.spi.AbstractSelector;
import java.nio.channels.spi.SelectorProvider;
import java.util.Collections;
import java.util.Set;
public class KqueueSelectorImpl extends AbstractSelector
{ /* VM class */
public KqueueSelectorImpl(SelectorProvider provider)
throws IOException
{
/* not implemented */
super(provider);
throw new InternalError("KqueueSelectorImpl() not implemented");
}
public Set keys()
{
/* not implemented */
return Collections.EMPTY_SET;
}
public int select()
throws IOException
{
return doSelect(-1);
}
public int select(long timeout)
throws IOException
{
if (timeout == 0)
timeout = -1;
return doSelect(timeout);
}
public Set selectedKeys()
{
/* not implemented */
return Collections.EMPTY_SET;
}
public int selectNow()
throws IOException
{
return doSelect(0);
}
int doSelect(long timeout)
throws IOException
{
/* not implemented */
return 0;
}
public Selector wakeup()
{
/* not implemented */
return this;
}
protected void implCloseSelector()
throws IOException
{
/* not implemented */
}
protected SelectionKey register(AbstractSelectableChannel ch, int ops,
Object attachment)
{
/* not implemented */
throw new IllegalArgumentException("unsupported channel type");
}
void setInterestOps(KqueueSelectionKeyImpl key, int ops)
{
/* not implemented */
}
public static boolean kqueue_supported()
{
return false;
}
}