RFR: 8370637: [Windows] Crash if use Graphics after PrintJob.end [v2]

[Phil Race]

On Thu, 30 Oct 2025 21:17:50 GMT, Phil Race <prr at openjdk.org> wrote:

>> Synchronize WPrinterJob calls which use the printDC to avoid crash in case of mis-use.
>> The printerDC is released when the job ends. 
>> It is zero-ed out in the handle in which it is stored
>> The calls which expect it to be valid now all check for zero and return if it is zero.
>> The calls are made synchronized as is the call to endDoc which zeroes it, so that they cannot have it zeroed out whilst using it.
>> 
>> The tests are the same as in the fix for JDK-8370141 which is also under review.
>> Which ever is 2nd to be pushed will have to merge in the changes from the first
>
> Phil Race has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains four commits:
> 
>  - 8370637
>  - 8370637
>  - Merge
>  - 8370637

@prsadhuk @azvegint please review

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PR Comment: https://git.openjdk.org/jdk/pull/27984#issuecomment-3478130339