Time to put a stop to Thread.stop?
forax at univ-mlv.fr
Fri May 24 17:27:58 UTC 2013
On 05/24/2013 03:18 PM, Alan Bateman wrote:
> Thanks to everyone for the discussions and suggestions on this topic.
> I would like to proceed with the original proposal to change
> stop(Throwable) to throw UOE unconditionally. This means so special
> casing for ThreadDeath or the current thread. The no-arg Thread.stop()
> is not impacted.
> I think it's reasonable to say that this method is not widely used.
> Mandy did a static analysis of thousands of unique artifacts in maven
> and we found only a tiny number of usages. Other corpora were searched
> too. A number of people mailed me privately to report sightings, in
> almost all cases the usages were completely broken and never worked
> (incorrect assumption that Thread.stop would wake-up threads blocked
> in I/O in at least two cases).
> Clearly this change is significant and will need to documented in
> compatibility notes and migration documentation.
> The webrev with the proposed changes is here. As I mentioned in one of
> the replies, there are 4 j.u.c tests that need to be updated so I've
> changed these tests to use Unsafe.throwException.
looks good, thumb up.
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