RFR 8199868: Support JNI critical functions in object pinning API

[Zhengyu Gu]

On 07/09/2018 10:04 AM, Roman Kennke wrote:
> Am 09.07.2018 um 15:57 schrieb Andrew Haley:
>> On 06/15/2018 12:55 PM, Zhengyu Gu wrote:
>>> Ping!!!! anyone? please!
>>
>> How did you test this?  Do you have code that exercises the interface?
>> If so, please put it on cr.openjdk.
>>
> 
> We have tests in Shenandoah. We would upstream it, but it requires a GC
> that supports pinning. AFAIK, ZGC devs *intend* to support pinning, and
> for G1 it should be easy as well. But it's not there yet.
> 
> This is the test:
> http://hg.openjdk.java.net/shenandoah/jdk/file/266e6a543eaa/test/hotspot/jtreg/gc/shenandoah/CriticalNativeStress.java
> 
> Zhengyu: do you see a way to test this even without a supporting GC?

I am afraid not.

-Zhengyu


> 
> Roman
>