RFR: 8038473 Remove support for old T1 libthread

Karen Kinnear karen.kinnear at oracle.com
Tue Apr 1 19:02:05 UTC 2014


Looks good.
Thank you Frederic, for all the careful work.

thanks,
Karen

On Mar 31, 2014, at 8:25 AM, frederic parain wrote:

> Greetings,
> 
> Back in Solaris 8 days, the JVM used a thread library
> called T1. In Solaris 9, a new thread library, called T2,
> was added to Solaris. The JVM code was extended to be able
> to use either the T1 libthread or the T2 libthread.
> Since Solaris 10, T2 is the default thread library and the
> T1 libthread is not part of Solaris anymore, all its APIs
> are wrappers around T2 APIs. This changeset removes the
> support for the T1 libthread and the workarounds put in
> VM code to deal with some T1 issues.
> 
> Note: the minimal requirement for JDK9 is Solaris 10u9.
> 
> CR:
> https://bugs.openjdk.java.net/browse/JDK-8038473
> 
> Webrev:
> http://cr.openjdk.java.net/~fparain/8038473/webrev.00/
> 
> Thank you,
> 
> Fred
> 
> -- 
> Frederic Parain - Oracle
> Grenoble Engineering Center - France
> Phone: +33 4 76 18 81 17
> Email: Frederic.Parain at oracle.com



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