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IDProjectCategoryView StatusDate SubmittedLast Update
0008839ITKpublic2009-04-03 17:072010-11-18 21:10
ReporterHans Johnson 
Assigned ToGaetan Lehmann 
PrioritynormalSeverityminorReproducibilityalways
StatusclosedResolutionfixed 
PlatformOSOS Version
Product VersionITK-3-12 
Target VersionFixed in Version 
Summary0008839: Multithreaded exception handling in itkConnectedComponentImageFilter
Description
Sorry to complain, and not provide a fix. But here is the situation, I have a program that uses the itkConnectedComponentImageFilter, and when I set ITK_GLOBAL_DEFAULT_NUMBER_OF_THREADS=1, the exception at line 345 is of src/include/InsightToolkit/BasicFilters/itkConnectedComponentImageFilter.txx is thrown (proper behavior)

When ITK_GLOBAL_DEFAULT_NUMBER_OF_THREADS=8; the same code enters into an infinite loop that never exits.

    336 if( threadId == 0 )
    337 {
    338 unsigned long int totalLabs = CreateConsecutive();
    339 m_ObjectCount = totalLabs;
    340 // check for overflow exception here
    341 if( totalLabs > static_cast<unsigned long int>(
    342 NumericTraits<OutputPixelType>::max() ) )
    343 {
    344 itkExceptionMacro(
    345 << "Number of objects greater than maximum of output pixel type " );
    346 }
    347 }
    348 this->Wait();
    349

I was wondering what the correct behavior is supposed to be in a case like this.
TagsNo tags attached.
Resolution Date2009-05-08
Sprint
Sprint Statusbacklog
Attached Files

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  Notes
(0015918)
Hans Johnson (developer)
2009-04-06 09:33

 > On 4/3/09 5:09 PM, "Gaëtan Lehmann" <gaetan.lehmann@jouy.inra.fr> wrote:
>
>>
>> Hi Hans,
>>
>> I've made the multithreaded part - I guess I've missed a case.
>> I'll look at it soon.
>>
>> Gaëtan
(0016259)
Hans Johnson (developer)
2009-04-29 20:03

 Gaetan,

Any luck with this?

Thanks,
Hans
(0016359)
Gaetan Lehmann (developer)
2009-05-08 18:34

 Hans,

It took me a lot longer than I thought before I can look into it.
I finally did, and commited a fix as well as new test in ITK.

Can you test and, if it's ok, close the bug?

Regards,

Gaëtan
(0023406)
Luis Ibanez (manager)
2010-11-18 21:10

 We have decided to skip the "resolved" status and move directly to "closed".

 Issue History
Date Modified Username Field Change
2009-04-03 17:07 Hans Johnson New Issue
2009-04-03 17:08 Hans Johnson Status new => assigned
2009-04-03 17:08 Hans Johnson Assigned To => user685
2009-04-06 09:32 Hans Johnson Assigned To user685 => glehmann
2009-04-06 09:33 Hans Johnson Note Added: 0015918
2009-04-29 20:03 Hans Johnson Note Added: 0016259
2009-05-08 18:34 Gaetan Lehmann Note Added: 0016359
2010-11-18 03:21 Gaetan Lehmann Assigned To glehmann => Gaetan Lehmann
2010-11-18 03:21 Gaetan Lehmann Resolution Date => 2009-05-08
2010-11-18 03:21 Gaetan Lehmann Sprint Status => backlog
2010-11-18 03:21 Gaetan Lehmann Status assigned => resolved
2010-11-18 03:21 Gaetan Lehmann Resolution open => fixed
2010-11-18 21:10 Luis Ibanez Status resolved => closed
2010-11-18 21:10 Luis Ibanez Note Added: 0023406

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