RFR [11u, 8u backport] Simplify Shenandoah task termination in aborted paths

[Roman Kennke]

Can we hold back *any* pushes to sh/jdk8u at this point? We want to wait
until current batch is pushed to aarch64/jdk8u-sh and then wipe our
sh/jdk8u and re-init from aarch64/jdk8u-sh. WDYT?


Roman

> On 12/14/18 3:37 AM, zgu at redhat.com wrote:
>> Backport Shenandoah task termination logic from JDK12.
>>
>> JDK11u Webrev: http://cr.openjdk.java.net/~zgu/JDK-8215220/jdk11u/webre
>> v.00/
>>
>>
>> JDK8u Webrev: http://cr.openjdk.java.net/~zgu/JDK-8215220/jdk8u/webrev.
>> 00/
> 
> Okay, looks good. Let's see what testing says after you push it.
> 
> -Aleksey
>