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List: openjdk-2d-dev
Subject: [OpenJDK 2D-Dev] [8] request for review: 7150594: VM chash in JCK api/java_awt/Image/ConvolveOp/ tes
From: jennifer.godinez () oracle ! com (Jennifer Godinez)
Date: 2012-08-09 17:02:04
Message-ID: 5023ED0C.4020701 () oracle ! com
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Hi Andrew,
Looks good. Approved.
Jennifer
Andrew Brygin wrote:
> Hello Phil,
>
> thanks for the review.
>
> Regarding posix_memalign(), originally I was going to use it instead of
> memalign() but found that it is not available on Solaris platform.
> I did not like an idea to introduce yet another platfrom-specific code
> piece, and and decided to leave memaling() routine.
>
> I do not think that there are another issues caused by the fix for
> CR 7113017, and the fix suggested here probably can be used
> for 7u8 (where we have to resolve the JCK failure as well).
>
> Thanks,
> Andrew
>
> On 02.08.2012 20:40, Phil Race wrote:
>> I am OK with this. The submitter of the fix for 7113017 apparently
>> did not pay attention in the updating to use POSIX functions that
>> posix supplies its own function called posix_memalign so does not
>> define memalign. I don't know off hand what library that would come
>> from on all platforms and I do not think it worth cycles to figure
>> this out.
>> I hope this is the only such issue but don't know if for a fact.
>> Some of these portability requests seem like they are more trouble
>> than they are
>> worth and using malloc.h works just fine for me !
>>
>> If there are any more issues I suggest we just revert 7113017.
>>
>> -phil.
>>
>>
>> On 8/2/2012 7:36 AM, Andrew Brygin wrote:
>>> Hello,
>>>
>>> could you please review a fix for 7150594?
>>>
>>> This problem is triggered by the fix for CR 7113017. In particular,
>>> this fix replaces the malloc.h with stddef.h in mlib_types.h. This
>>> change leads to compiling mlib_sys.c without forward declaration for
>>> memalign() routine, and cause following warnings:
>>>
>>> mlib_sys.c:96: warning: implicit declaration of function 'memalign'
>>> mlib_sys.c:96: warning: cast to pointer from integer of different size
>>>
>>> This cause the problem on systems where size of integer is less than
>>> size of pointers: the pointer value is clamped, and usage of the
>>> clamped pointer causes the observed crash.
>>>
>>> Proposed solution is to include malloc.h header directly to
>>> mlib_sys.c.
>>>
>>> Please take a look.
>>>
>>> Bug: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7150594
>>> Webrev: http://cr.openjdk.java.net/~bae/7150594/8/webrev.00/
>>>
>>> Thanks,
>>> Andrew
>>
>
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