<AWT Dev> <Awt Dev> [9] Review Request for 8079595: Resizing dialog which is JWindow parent makes JVM crash
Semyon Sadetsky
semyon.sadetsky at oracle.com
Fri Sep 18 07:26:25 UTC 2015
On 9/18/2015 3:01 AM, Sergey Bylokhov wrote:
> 17.09.2015 8:33, Semyon Sadetsky wrote:
>> On 9/16/2015 5:54 PM, Sergey Bylokhov wrote:
>>> 16.09.2015 17:07, Semyon Sadetsky wrote:
>>>> Other scenarios do not cause conflicts.
>>> Or we cannot reproduce it right now?
>> and for all these years...
>
> But we got regression only now, because we are calling it from the
> different places.
>
>>>> Direct call to DefWindowProc is much faster it's better to preserve
>>>> it.
>>>
>>> Is the performance important in this case? This methods is used for
>>> IME only? The unified implementation has a benefit that probability
>>> to find a bug in the code is higher.
>> Those events come on each window activation regardless using IME. We
>> have a chance to get a performance regression in that case.
>
> Do we know the root cause of the crash? Can we be sure that it cannot
> be reproduced if our component is not a container? If it unclear then
> it is better to use the slower but safer method.
So, slow but safe. I like it. See this:
http://cr.openjdk.java.net/~ssadetsky/8079595/webrev.01/
>
>>>
>>>>
>>>> --Semyon
>>>>
>>>> On 9/16/2015 4:52 PM, Sergey Bylokhov wrote:
>>>>> Why we cannot always send a messages via SendMessage?
>>>>> Can you add a comment to the changed lines to clarify the fix. It
>>>>> is unclear for example why IsContainer() is used.
>>>>>
>>>>> 16.09.2015 15:36, Semyon Sadetsky wrote:
>>>>>> Hello,
>>>>>>
>>>>>> Please review fix for JDK9:
>>>>>> bug: https://bugs.openjdk.java.net/browse/JDK-8079595
>>>>>> webrev: http://cr.openjdk.java.net/~ssadetsky/8079595/webrev.00/
>>>>>>
>>>>>> Direct call to DefWindowProc() of the child window's owner causes
>>>>>> a conflict. Using SendMessage() eliminates it.
>>>>>>
>>>>>> --Semyon
>>>>>
>>>>>
>>>>
>>>
>>>
>>
>
>
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