RFR: 8252359 - HotSpot Not Identifying it is Running in a Container

[Severin Gehwolf]

Hi Bob,

On Wed, 2020-09-02 at 13:54 -0400, Bob Vandette wrote:
> Problem:
> 
> Hotspot does not properly detect that it’s running in a container on Mac and Windows docker desktop
> based containers.
> 
> 
> BUG: 
> https://bugs.openjdk.java.net/browse/JDK-8252359
> 
> WEBREV:
> http://cr.openjdk.java.net/~bobv/8252359/webrev.01

This patch looks good to me.

Comments:

test/hotspot/jtreg/containers/cgroup/CgroupSubsystemFactory.java

With the adapted changes in there it fails prior the fix
in cgroupSubsystem_linux.cpp and passes after. That's good enough a
regression fix for me.


I've also tested it on cgroups v1 (hybrid) and cgroups v2. Works fine.

Thanks,
Severin