[LTP] [PATCH v2 2/2] msgget03: don't depend on existed shared resources

[xuyang2018.jy@fujitsu.com]

Hi Cyril, Petr
> Hi!
>>> I think that we allready discussed this in another thread:
>>
>>> https://lists.linux.it/pipermail/ltp/2021-July/023831.html
>>
>> Thanks, I forgot this. In that case my approach (not using<=, but count
>> segments in /proc/sysvipc/shm before testing) might be more precise.
>> But no strong feeling about that, both solutions fix the test, let's chose one
>> and merge.
>
> As I said previously, there are many SysV IPC tests that do expect that
> nobody will add/remove IPC shm/queue/semaphores during the testrun and
> some of the testcases cannot even be implemented without this
> expectation.
>
> Hence I wouldn't complicate the test here and just count how many
> segments are there at the start and be done with it.
Agree.

A possible solution(alter get_used_queues api in new ipc lib and add 
file parametrers, so we can use this api for msgget03) I have mentioned 
in the previous email, the url as below:
https://lists.linux.it/pipermail/ltp/2021-July/023653.html
>