Please take a look at this small change: Bug: https://bugs.openjdk.java.net/browse/JDK-8166012 webrev: http://cr.openjdk.java.net/~stuefe/webrevs/8166012-Remove-remnants-of-LinuxThreads-from-Linux-attach-framework/webrev.00/webrev/
I noticed this when comparing AIX and Linux attach implementation. This is a followup to JDK-8157236. See also JDK-8078513. Kind Regards, Thomas