Re: gnu.java.nio.SelectorManager always puts all of keys() into selectedKeys()?

[Casey Marshall <csm at gnu dot org>]

On May 28, 2007, at 6:40 PM, David Daney wrote:

> Adam Megacz wrote:
> > Forgive me if I'm confused here...
> >
> > In gnu/java/nio/SelectorManager.java on line 227, VMSelector.select()
> > is invoked.  It appears that unless that method throws an exception,
> > the following while loop (line 228) will always add every element in
> > keys() into selectedKeys() -- I see no control statements between the
> > top of the loop and line 305, where the key is added if it isn't
> > already in the selected set.
> >
> > Is this the desired behavior?
> >
> > Hopefully I'm just confused here.  But if this is actually a bug, let
> > me know and I'll post a patch.
>
> I have not looked at the code, but the GCJ nio support is full of  
> bugs and unimplemented methods, so it would not be at all  
> surprising if it were a real bug.
>
> If you have a test case that works under the RI, but fails under  
> libgcj, then I would post the patch and try to get the test case  
> into mauve.

There are divergences between Classpath and libgcj here, AFIAK.  
Classpath also has support for epoll or kqueue Selectors on Linux or  
Mac OS X (resp.), which hasn't been ported into libgcj yet.

Thanks.