hg: jdk9/hs-rt/hotspot: 8073042: jcmd hangs until another jcmd is executed (which, in turn also hangs)

[markus.gronlund at oracle.com]

Changeset: 2c370642e2ed
Author:    mgronlun
Date:      2015-03-03 20:17 +0100
URL:       http://hg.openjdk.java.net/jdk9/hs-rt/hotspot/rev/2c370642e2ed

8073042: jcmd hangs until another jcmd is executed (which, in turn also hangs)
Reviewed-by: jbachorik, dsamersoff, farvidsson

! src/os/windows/vm/attachListener_windows.cpp