hg: jdk/submit: 8245721: Refactor the TaskTerminator

[thomas.schatzl at oracle.com]

Changeset: 9283c1deb4e0
Author:    tschatzl
Date:      2020-08-17 11:23 +0200
URL:       https://hg.openjdk.java.net/jdk/submit/rev/9283c1deb4e0

8245721: Refactor the TaskTerminator
Summary: Improve the structure of the TaskTerminator code to make it more understandable and amenable to improvements.
Reviewed-by: zgu, kbarrett, lkorinth

! src/hotspot/share/gc/shared/taskTerminator.cpp
! src/hotspot/share/gc/shared/taskTerminator.hpp