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From "Geir Magnusson Jr." <g...@pobox.com>
Subject Re: [classlib][concurrent] Next IBM VME request
Date Fri, 15 Sep 2006 15:30:08 GMT

Tim Ellison wrote:
> Just revisiting this thread -- and even I can't decipher what I wrote as
> I ran out the door.
> Let me try again.  Rather than put sun.misc.Unsafe into luni-kernel I
> suggest that we have an o.a.h.kernel.vm.Risky[1] type containing just
> the relevant subset of operations that we need for concurrent to work,
> and put that subset into kernel.  Then we can implement Unsafe in terms
> of those methods and work on convincing the concurrency group to
> generalize their impl.

Fine w/ me.

> Once we have the Harmony subset defined I can look at getting them into
> the IBM VME.


> [1] or o.a.h.concurrent... package, or whatever we decide.
> Regards,
> Tim
> Tim Ellison wrote:
>> Nathan Beyer wrote:
>>> For those kind souls working that help release the IBM VME, I'd like to ask
>>> for an implementation of the "sun.misc.Unsafe" interface for the next
>>> release to facilitate the 'concurrent' modules continued development. As
>>> such, the only portion of the Unsafe class that would need to be implemented
>>> is what's defined in the 'luni-kernel' module. Additionally, the
>>> 'concurrent' module has one other requirement and that's the implementation
>>> of a native method in AtomicLong [1]. My initial goal it to be able to
>>> enable all of the tests in the 'concurrent' module's build (all tests are
>>> currently disabled).
>> Hey Nathan -- I'm just about to set off for a few days, but briefly, I'd
>> expect that we'd agree on an addition to the luni kernel for some
>> o.a.h.FooBar type that has the required functionality, and create
>> sun.misc in the suncompat component.
>> Regards,
>> Tim
>>> Let me and the list know how we can help if there's anything needed. Thanks.
>>> -Nathan
>>> [1] private static native boolean VMSupportsCS8();

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