Downport JDK-8212828 (posix_spawn on Linux as non-default) to 11u

[Joseph D. Darcy]

Hello,

The specification of a system property includes both its name and its 
set of legal values. If the set of legal values changes, a CSR is 
warranted to document that.

Cheers,

-Joe

On 11/29/2018 4:26 PM, David Holmes wrote:
> Hi Roger,
>
> On 30/11/2018 5:54 am, Roger Riggs wrote:
>> Hi Thomas,
>>
>> We'll also need a retroactive CSR for JDK 12 to change its status in 
>> JDK 12 to be documented.
>
> With my CSR Group member hat on ... not sure what you mean by 
> "documented" here? The property already exists and should already have 
> had a CSR (or old CCC) request when it was added. I don't think 
> allowing a new value for that property requires a CSR request, simply 
> an update to the documentation of the property. Of course if that 
> documentation is part of an API then that itself would need a CSR 
> request - but I don't think we document this at the API level.
>
> David
> -----
>
>> Can you take a swing at that?
>> On the Jira issue[2] there is a "More" menu  with a 'Create CSR' button.
>> It comes pre-filled with a template that should be pretty 
>> straightforward to fill out.
>>
>> A CSR will also be needed for JDK 11 (pretty much a copy).
>> In the compatibility section, point out that it does not change the 
>> default.
>>
>> I created a draft release note for JDK 12 [1].
>> Please review and comment or edit it directly with suggestions.
>> There is a release note style guide for reference [3].
>>
>> Thanks, Roger
>>
>> [1] https://bugs.openjdk.java.net/browse/JDK-8214454
>> [2] https://bugs.openjdk.java.net/browse/JDK-8212828
>> [3[ 
>> https://wiki.se.oracle.com/display/JPG/OpenJDK+Release+Note+Style+Guide
>>
>> On 11/28/2018 11:56 AM, Thomas Stüfe wrote:
>>> On Wed, Nov 28, 2018 at 5:39 PM Alan Bateman 
>>> <Alan.Bateman at oracle.com> wrote:
>>>> On 28/11/2018 15:36, Thomas Stüfe wrote:
>>>>> Hi all,
>>>>>
>>>>> I would like to have this patch in 11u too, so I just did a 11u
>>>>> downport request.
>>>>>
>>>>> Our agreement was that launchMechanism=POSIX_SPAWN would stay as
>>>>> optional non-default value for jdk12, and at the start of JDK13
>>>>> development we would switch the default to posix_spawn.
>>>>>
>>>>> I would like to see this non-default-but-possible-to-set option in 
>>>>> 11u
>>>>> too, just to broaden the test surface. We'd get more testers that 
>>>>> way.
>>>>>
>>>>> What do you think, does that make sense?
>>>>>
>>>> It would be nice to have gotten feedback from people trying it out 
>>>> with
>>>> JDK 12 EA builds but I don't know if that is possible.
>>>>
>>>> If it is backported then a CSR will be required as it will be adding a
>>>> new supported value. A release note or other documentation updates 
>>>> might
>>>> be needed too.
>>>>
>>> Oh, you are right. Do we have a release note/documentation for jdk12?
>>>
>>> ..Thomas
>>>
>>>> -Alan
>>