hg: jdk8u/hs-dev/hotspot: 8057535: add a thread extension class

[john.coomes at oracle.com]

Changeset: 966601b12d4f
Author:    sla
Date:      2014-09-04 11:21 +0200
URL:       http://hg.openjdk.java.net/jdk8u/hs-dev/hotspot/rev/966601b12d4f

8057535: add a thread extension class
Reviewed-by: mgerdin, bdelsart, jcoomes

! src/share/vm/runtime/thread.cpp
! src/share/vm/runtime/thread.hpp
+ src/share/vm/runtime/thread_ext.cpp
+ src/share/vm/runtime/thread_ext.hpp
! src/share/vm/services/management.cpp