RFR: 8038473 Remove support for old T1 libthread

Frederic Parain frederic.parain at oracle.com
Thu Apr 3 09:33:23 UTC 2014


Coleen,

Thanks for the review,

Fred

On 04/01/2014 08:03 PM, Coleen Phillimore wrote:
>
> Frederic,
> This looks really nice.
> Thanks!
> Coleen
>
> On 03/31/2014 08:25 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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