Re: [LTP] [PATCH] pthread_detach/4-3: workaround for segment fault

[Kang Kai <Kai.Kang@windriver.com>]

On 2012年08月19日 06:58, Wanlong Gao wrote:
> On 08/14/2012 05:00 PM, Kang Kai wrote:
>> This case fails randomly with "Segmentation fault". Reset VERBOSE to 6
>> can avoid this problem.
> Can you explain that why "reset VERBOSE" can avoid this "Seg Fault" problem?
It is a multi-thread issue. You can run it for less than 10 times, and 
it will fail with "Segmentation fault".
It is hard to debug and I didn't find the root cause, but open the 
VERBOSE will avoid this situation. So it is a workaround.

Regards,
Kai

>
>> Fix typo at same time.
> The typo fix is OK.
>
> Thanks,
> Wanlong Gao
>
>> Signed-off-by: Kang Kai<kai.kang@windriver.com>
>> ---
>>   .../conformance/interfaces/pthread_detach/4-3.c    |    4 ++--
>>   1 files changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/testcases/open_posix_testsuite/conformance/interfaces/pthread_detach/4-3.c b/testcases/open_posix_testsuite/conformance/interfaces/pthread_detach/4-3.c
>> index 5c15e93..23738dc 100644
>> --- a/testcases/open_posix_testsuite/conformance/interfaces/pthread_detach/4-3.c
>> +++ b/testcases/open_posix_testsuite/conformance/interfaces/pthread_detach/4-3.c
>> @@ -49,7 +49,7 @@
>>   #include "../testfrmw/testfrmw.c"
>>
>>   #ifndef VERBOSE
>> -#define VERBOSE 1
>> +#define VERBOSE 6
>>   #endif
>>
>>   #define WITH_SYNCHRO
>> @@ -281,7 +281,7 @@ int main(int argc, char *argv[])
>>
>>   	do {
>>   		do_it2 = 0;
>> -	} while (do_it2 = 0);
>> +	} while (do_it2);
>>
>>   	ret = pthread_join(th_sig1, NULL);
>>   	if (ret)
>>
>


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