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

Tue May 29 08:13:00 GMT 2007

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.