hg: code-tools/jcstress: Runners: Make sure we shutdown all handlers, regardless where they block. Also fixes ClassCastException in terminate().

[ashipile at redhat.com]

Changeset: d48af41e33bf
Author:    shade
Date:      2016-10-07 11:26 +0200
URL:       http://hg.openjdk.java.net/code-tools/jcstress/rev/d48af41e33bf

Runners: Make sure we shutdown all handlers, regardless where they block. Also fixes ClassCastException in terminate().

! jcstress-core/src/main/java/org/openjdk/jcstress/link/BinaryLinkServer.java