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2003-10-09 Michael Koch <konqueror@gmx.de>

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* java/nio/channels/spi/AbstractSelectableChannel.java
	(registered): Made private.
	(blocking): Likewise.
	(LOCK): Likewise.
	(provider): Likewise.
	(keys): Made it a private LinkedList.
	(AbstractSelectableChannel): Initialize keys.
	(isRegistered): New implementation.
	(locate): Rewritten.
	(register): Rewritten.
	* java/nio/channels/spi/AbstractSelectionKey.java
	(ok): Removed.
	(cancelled): New member variable.
	(cancel): Rewritten.
	(isValid): Rewritten.
	* java/nio/channels/spi/AbstractSelector.java:
	Some methods moved.
	(closed): Make private.
	(provider): Likewise.
	(cancelledKeys): New member variable.
	(AbstractSelector): Initialize cancelledKeys.
	(cancelKey): New method.

From-SVN: r72275
This commit is contained in:
Michael Koch 2003-10-09 17:34:10 +00:00 committed by Michael Koch
parent 93d046861d
commit 4e3cb200a5
4 changed files with 81 additions and 49 deletions
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25
libjava/ChangeLog
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@ -1,3 +1,28 @@
2003-10-09 Michael Koch <konqueror@gmx.de>
* java/nio/channels/spi/AbstractSelectableChannel.java
(registered): Made private.
(blocking): Likewise.
(LOCK): Likewise.
(provider): Likewise.
(keys): Made it a private LinkedList.
(AbstractSelectableChannel): Initialize keys.
(isRegistered): New implementation.
(locate): Rewritten.
(register): Rewritten.
* java/nio/channels/spi/AbstractSelectionKey.java
(ok): Removed.
(cancelled): New member variable.
(cancel): Rewritten.
(isValid): Rewritten.
* java/nio/channels/spi/AbstractSelector.java:
Some methods moved.
(closed): Make private.
(provider): Likewise.
(cancelledKeys): New member variable.
(AbstractSelector): Initialize cancelledKeys.
(cancelKey): New method.
2003-10-09 Tom Tromey <tromey@redhat.com>
* java/lang/ClassLoader.java (setSigners): Implemented.

48
libjava/java/nio/channels/spi/AbstractSelectableChannel.java
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@ -1,5 +1,5 @@
/* AbstractSelectableChannel.java
Copyright (C) 2002 Free Software Foundation, Inc.
Copyright (C) 2002, 2003 Free Software Foundation, Inc.
This file is part of GNU Classpath.
@ -48,11 +48,11 @@ import java.util.ListIterator;
public abstract class AbstractSelectableChannel extends SelectableChannel
{
int registered;
boolean blocking = true;
Object LOCK = new Object ();
SelectorProvider provider;
List keys;
private int registered;
private boolean blocking = true;
private Object LOCK = new Object();
private SelectorProvider provider;
private LinkedList keys;
/**
* Initializes the channel
@ -60,6 +60,7 @@ public abstract class AbstractSelectableChannel extends SelectableChannel
protected AbstractSelectableChannel (SelectorProvider provider)
{
this.provider = provider;
this.keys = new LinkedList();
}
/**
@ -122,7 +123,7 @@ public abstract class AbstractSelectableChannel extends SelectableChannel
*/
public final boolean isRegistered()
{
return registered > 0;
return !keys.isEmpty();
}
/**
@ -154,28 +155,21 @@ public abstract class AbstractSelectableChannel extends SelectableChannel
if (keys == null)
return null;
SelectionKey k = null;
ListIterator it = keys.listIterator ();
while (it.hasNext ())
{
k = (SelectionKey) it.next ();
if (k.selector () == selector)
{
return k;
}
SelectionKey key = (SelectionKey) it.next();
if (key.selector() == selector)
return key;
}
return k;
return null;
}
private void add (SelectionKey key)
{
if (keys == null)
{
keys = new LinkedList ();
}
keys.add (key);
}
@ -190,26 +184,26 @@ public abstract class AbstractSelectableChannel extends SelectableChannel
if (!isOpen ())
throw new ClosedChannelException();
SelectionKey k = null;
SelectionKey key = null;
AbstractSelector selector = (AbstractSelector) selin;
synchronized (LOCK)
{
k = locate (selector);
key = locate (selector);
if (k != null)
if (key != null)
{
k.attach (att);
key.attach (att);
}
else
{
k = selector.register (this, ops, att);
key = selector.register (this, ops, att);
if (k != null)
add (k);
if (key != null)
add (key);
}
}
return k;
return key;
}
}

16
libjava/java/nio/channels/spi/AbstractSelectionKey.java
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@ -1,5 +1,5 @@
/* AbstractSelectionKey.java --
Copyright (C) 2002 Free Software Foundation, Inc.
Copyright (C) 2002, 2003 Free Software Foundation, Inc.
This file is part of GNU Classpath.
@ -45,7 +45,7 @@ import java.nio.channels.SelectionKey;
public abstract class AbstractSelectionKey
extends SelectionKey
{
boolean ok = true;
private boolean cancelled = false;
/**
* Initializes the key.
@ -59,10 +59,12 @@ public abstract class AbstractSelectionKey
*/
public final void cancel ()
{
if (ok)
selector ().selectedKeys ().add (this);
ok = false;
if (isValid())
{
// FIXME: implement this.
//selector().cancelledKeys().add (this);
cancelled = true;
}
}
/**
@ -70,6 +72,6 @@ public abstract class AbstractSelectionKey
*/
public final boolean isValid ()
{
return ok;
return !cancelled;
}
}

41
libjava/java/nio/channels/spi/AbstractSelector.java
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@ -1,5 +1,5 @@
/* AbstractSelector.java --
Copyright (C) 2002 Free Software Foundation, Inc.
Copyright (C) 2002, 2003 Free Software Foundation, Inc.
This file is part of GNU Classpath.
@ -42,11 +42,13 @@ import java.io.IOException;
import java.nio.channels.SelectionKey;
import java.nio.channels.Selector;
import java.util.Set;
import java.util.HashSet;
public abstract class AbstractSelector extends Selector
{
boolean closed = false;
SelectorProvider provider;
private boolean closed = false;
private SelectorProvider provider;
private HashSet cancelledKeys;
/**
* Initializes the slector.
@ -54,15 +56,9 @@ public abstract class AbstractSelector extends Selector
protected AbstractSelector (SelectorProvider provider)
{
this.provider = provider;
this.cancelledKeys = new HashSet();
}
/**
* Marks the beginning of an I/O operation that might block indefinitely.
*/
protected final void begin ()
{
}
/**
* Closes the channel.
*
@ -73,8 +69,8 @@ public abstract class AbstractSelector extends Selector
if (closed)
return;
implCloseSelector();
closed = true;
implCloseSelector ();
}
/**
@ -85,11 +81,16 @@ public abstract class AbstractSelector extends Selector
return ! closed;
}
protected final void deregister (AbstractSelectionKey key)
/**
* Marks the beginning of an I/O operation that might block indefinitely.
*/
protected final void begin()
{
cancelledKeys ().remove (key);
}
/**
* Marks the end of an I/O operation that might block indefinitely.
*/
protected final void end()
{
}
@ -101,7 +102,12 @@ public abstract class AbstractSelector extends Selector
protected final Set cancelledKeys()
{
return null;
return cancelledKeys;
}
final void cancelKey (AbstractSelectionKey key)
{
cancelledKeys.remove (key);
}
/**
@ -111,4 +117,9 @@ public abstract class AbstractSelector extends Selector
protected abstract SelectionKey register (AbstractSelectableChannel ch,
int ops, Object att);
protected final void deregister (AbstractSelectionKey key)
{
// FIXME
}
}