[8u] Request for enhancement backport approval for CR JDK-8027434: "-XX:OnOutOfMemoryError" uses fork instead of vfork

[Seán Coffey]

Approved for jdk8u-dev

Regards,
Sean.

On 15/11/18 10:00, Muthusamy Chinnathambi wrote:
> Hi Sean,
>
> Missed pinging on this one.
> Yes, this has been fixed in the 11 update release.
>
> Regards,
> Muthusamy C
>
> -----Original Message-----
> From: David Holmes
> Sent: Wednesday, October 17, 2018 5:24 PM
> To: Seán Coffey <sean.coffey at oracle.com>; Muthusamy Chinnathambi <muthusamy.chinnathambi at oracle.com>; jdk8u-dev at openjdk.java.net
> Subject: Re: [8u] Request for enhancement backport approval for CR JDK-8027434: "-XX:OnOutOfMemoryError" uses fork instead of vfork
>
> Hi Sean,
>
> On 17/10/2018 9:44 PM, Seán Coffey wrote:
>> Muthusamy,
>>
>> please look at fixing this in the 11 Updates release first. Also, can
>> you check with hotspot engineers around the suitability of this fix in
>> an update release ?
> This is a very simple fix that only impacts users of
> -XX:OnOutOfMemoryError. I have no concerns about it going into any
> update release.
>
> Thanks,
> David
>
>> Regards,
>> Sean.
>>
>> On 17/10/18 12:26, Muthusamy Chinnathambi wrote:
>>> Hi,
>>>
>>> May I get the approval of enhancement backport of 'JDK-8027434:
>>> "-XX:OnOutOfMemoryError" uses fork instead of vfork' to jdk8u-dev.
>>>
>>> Jdk12 bug: https://bugs.openjdk.java.net/browse/JDK-8027434
>>>
>>> Short description of the change:
>>> When the system does not have enough memory available to fork, the
>>> option "-XX:OnOutOfMemoryError" may not work. Even a simple command
>>> "kill" does not get executed. This change is to use vfork instead of
>>> fork during "OnOutOfMemoryError".
>>>
>>> I have tested it with the jprt and jtreg tests.
>>>
>>> Regards,
>>> Muthusamy C