hg: jdk/jdk: 8214097: Rework thread initialization and teardown logic

[david.holmes at oracle.com]

Changeset: 67e3a8b3449c
Author:    dholmes
Date:      2018-12-27 21:17 -0500
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/67e3a8b3449c

8214097: Rework thread initialization and teardown logic
Reviewed-by: rehn, mgronlun, dcubed, kbarrett

! src/hotspot/os/linux/os_linux.cpp
! src/hotspot/share/gc/parallel/gcTaskThread.cpp
! src/hotspot/share/gc/shared/concurrentGCThread.cpp
! src/hotspot/share/gc/shared/workgroup.cpp
! src/hotspot/share/jfr/periodic/sampling/jfrThreadSampler.cpp
! src/hotspot/share/runtime/thread.cpp
! src/hotspot/share/runtime/thread.hpp
! src/hotspot/share/runtime/vmThread.cpp
! src/hotspot/share/services/management.cpp
! test/hotspot/gtest/threadHelper.inline.hpp