RFR: 8170299: Debugger does not stop inside the low memory notifications code

[Daniel D. Daugherty]

Thumbs up!

Dan


On 10/1/19 4:57 PM, Daniil Titov wrote:
> Hello,
>
> Please review a new version of the change [1]  that fixes the problem with the  debugger not stopping in the low memory notification code. The fix moves the send notifications task from
> not visible ServiceThread to a new visible NotificationThread. This version of the  change also introduces  a new VM option to opt-out from the new behavior.
>
> Previous email threads:
> https://mail.openjdk.java.net/pipermail/serviceability-dev/2019-August/028863.html
> https://mail.openjdk.java.net/pipermail/serviceability-dev/2019-July/028608.html
>
> The proposed CSR [3] is for adding  a new VM option UseNotificationThread  (default true) to opt-out from the new behavior.
>
> Testing: Mach5 tests tier1, tier2, tier3, and tier7 successfully passed.
>
> [1] Webrev:  http://cr.openjdk.java.net/~dtitov/8170299/webrev.05/
> [2] Bug: https://bugs.openjdk.java.net/browse/JDK-8170299
> [3] CSR: https://bugs.openjdk.java.net/browse/JDK-8231593
>
> Thanks,
> Daniil
>
> 
>
>