On Tue, 5 Dec 2023 07:59:19 GMT, Prasanta Sadhukhan <psadhuk...@openjdk.org> 
wrote:

>> CSS.BackgroundImage.getImage uses double-checked locking but the loadedImage 
>> field isn't declared as volatile. Without the volatile modifier, 
>> double-checked locking implementation is broken.
>
> Prasanta Sadhukhan has updated the pull request incrementally with one 
> additional commit since the last revision:
> 
>   Use image field for DCL

> > But it can be a bug in the code that it never gave a chance second time..I 
> > think it should get a chance to reload the URL again in case it is invalid 
> > the 1st time so I guess the change should be the one where if url is 
> > invalid, `loadedImage ` should not be set and it will need a relook at the 
> > url (to be set by user)
> 
> My point is it must re-load the image **whenever base is changed**, as 
> @mrserb pointed out.
> 
> If you want to implement this feature, submit a new bug — it is out of scope 
> for this issue. Better yet, just submit the new bug to document the 
> discovered problem.
> 
> Re-loading the image if and only if the `url` is `null` is inconsistent. I 
> strongly believe the image is to be re-loaded either _always_ or _never_ at 
> all rather than sometimes.
> 
> Currently, it's in _never_ mode. I am for preserving the current behaviour 
> rather than adding a half-baked solution.

OK. I have had my doubts but I agree to keep it as similar to code we have it 
now..Modified the PR..

-------------

PR Comment: https://git.openjdk.org/jdk/pull/16917#issuecomment-1842710289

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