RFR [9] 8140687: Move @Contended to the jdk.internal.vm.annotation package

Chris Hegarty chris.hegarty at oracle.com
Mon Nov 9 10:43:00 UTC 2015

On 02/11/15 10:45, Aleksey Shipilev wrote:
> On 11/02/2015 02:56 AM, Chris Hegarty wrote:
>> In line with the intended location for other VM annotations,
>> see 8138732 [1], @sun.misc.Contended should be moved
>> to the jdk.internal.vm.annotation package.
>> http://cr.openjdk.java.net/~chegar/8140687/00/
> Changes look good to me.
> But what's the compatibility story for JSR 166? With this move, we would
> be unable to bootclasspath JSR 166 JAR, since it references the "old"
> sun.misc.Contended?


As you are aware, the 166 CVS will fork shortly to support
a JDK 9 only version. Artifacts built from the fork are of
course not impacted by this change.

For existing 166 artifacts, they will not run on JDK 9 as
the Contended annotation will not be present.


> Thanks,
> -Aleksey

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