RFR(XS): 8147844: new method j.l.Runtime.onSpinWait()

[Ivan Krylov]

Hello,

Earlier there was a discussion on this mail alias about the spin loop 
hint proposal [1]. Based on the feedback from that discussion some 
changes were incorporated and the JEP has been filed [2]. There seems to 
be a consensus on the API side. The JEP is now in a draft state and I 
hope this JEP will get targeted for java 9 shortly.

Please review the upcoming API changes:
http://cr.openjdk.java.net/~ikrylov/8147844.jdk.00/

For the reference, the new generated JavaDoc for j.l.Runtime class and 
the new method
http://ivankrylov.github.io/onspinwait/api/java/lang/Runtime.html#onSpinWait--

Thanks,

Ivan

1 - 
http://mail.openjdk.java.net/pipermail/core-libs-dev/2015-October/thread.html#35613
2 - https://bugs.openjdk.java.net/browse/JDK-8147832.