RFR(M): JDK-8072395: LingeredAppTest.java and JMapHeapConfigTest.java fail due to LingeredApp ERROR: java.io.IOException: Lock is too old. Aborting

[Dmitry Samersoff]

Hi Everybody,

Please review the changes:

  http://cr.openjdk.java.net/~dsamersoff/JDK-8072395/webrev.04/


1. Removed lock age test, because LingeredApp can run more than one hour
of machine time.

2. Added code to check for common environment pitfalls and produce
meaningful diagnostic

3. Testlibrary method canPtraceAttachLinux refactored, fixed yama
ptrace_scope check.

4. Sync Platfrom.java in hotspot and jdk testlibraries

-Dmitry

-- 
Dmitry Samersoff
Oracle Java development team, Saint Petersburg, Russia
* I would love to change the world, but they won't give me the sources.