RFR 8206424: Use locking for cleaning ProtectionDomainTable

[Patricio Chilano]

Hi Ioi and Coleen,

Thanks for reviewing this change! I moved the test to 
test/hotspot/jtreg/runtime/Dictionary and fixed the copyright. Here is 
the new webrev:

Webrev URL: http://cr.openjdk.java.net/~pchilanomate/8206424.02/webrev

Thanks,
Patricio

On 8/21/18 5:11 PM, coleen.phillimore at oracle.com wrote:
>
> Patricio,
>
> This looks really good.  I agree with Ioi's comment.  Maybe the test 
> could go into test/hotspot/jtreg/runtime/Dictionary (there are similar 
> tests there?)
>
> Also the copyright should just have 2018 followed by a comma (even 
> though grammatically incorrect).
>
> thanks,
> Coleen
On 8/21/18 3:27 PM, Ioi Lam wrote:
> Hi Patricio,
>
> I think the test should be under a different directory since it is not specific to AppCDS
>
> Thanks
> Ioi
>
>> On Aug 21, 2018, at 11:47 AM, Patricio Chilano <patricio.chilano.mateo at oracle.com> wrote:
>>
>> Hi all,
>> Could you review this fix that moves the cleanup of dead entries in the protection domain table from the VMThread to the ServiceThread.
>> The goal is the same as JDK-8206423. The task of cleaning up dead entries in the protection domain table was moved to the ServiceThread.
>> The fix was tested with Mach5 on tiers 1, 2, 3 on all platforms. A new test (test/hotspot/jtreg/runtime/appcds/CleanProtectionDomain.java) was added to test the creation and removal of entries in the Protection Domain table.
>> Bug URL: https://bugs.openjdk.java.net/browse/JDK-820642 <https://bugs.openjdk.java.net/browse/JDK-8206423>4
>> Webrev URL: http://cr.openjdk.java.net/~pchilanomate/8206424.01/webrev/index.html
>> Thanks,
>> Patricio
>>