RFR: 8038473 Remove support for old T1 libthread

[Frederic Parain]

Hi David,

Thank you for the review, the indentation is now fixed:

http://cr.openjdk.java.net/~fparain/8038473/webrev.01/

Regards,

Fred

On 04/01/2014 08:27 AM, David Holmes wrote:
> Hi Fred,
>
> This looks okay to me. Great to see so much red :) Probably worth
> mentioning to other readers that you're going to re-examine the use of
> yield_all() in the future.
>
> Minor nit in os_solaris.cpp:
>
> void os::yield_all() {
>    // Yields to all threads, including threads with lower priorities
>        os::sleep(Thread::current(), 1, false);
> }
>
> the indent for sleep needs to be 4 spaces less now.
>
> Thanks,
> David
>
> On 31/03/2014 10:25 PM, 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