hg: code-tools/jmh: 7901244: Forceful shutdown of forked VM when there are uncontrollable user threads

[aleksey.shipilev at oracle.com]

Changeset: d15ebde32b25
Author:    shade
Date:      2015-01-13 12:32 +0300
URL:       http://hg.openjdk.java.net/code-tools/jmh/rev/d15ebde32b25

7901244: Forceful shutdown of forked VM when there are uncontrollable user threads
Summary: Implement a shutdown timeout.

! jmh-core/src/main/java/org/openjdk/jmh/generators/core/BenchmarkGenerator.java
! jmh-core/src/main/java/org/openjdk/jmh/runner/ForkedMain.java