[concurrency-interest] retrofitted wait/notify?

Bob Lee crazybob at crazybob.org
Tue Aug 31 22:34:48 EDT 2010


On Tue, Aug 31, 2010 at 11:14 AM, Paulo Silveira
<paulo.silveira at gmail.com>wrote:

> why
> not using AbstractQueuedSynchronizer /UnfairSyncs to implement
> wait/notify instead of its native implementations? There is probably
> an obvious answer, but I cant figuer it out.
>

wait() and notify() are typically highly optimized for memory and
performance. For example, the lock state bits are typically encoded in the
object header.

Bob
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