[LTP] [PATCH v1 0/3] increase msgrcv coverage

[Yang Xu]

HI Cyril


> Hi!
>> 1. The first patch add check for msg_lrpid and msg_rtime.
>> 2. The second patch tests different msgtyp.
>> 3. The third patch tests MSG_COPY flag(basic error test),not functional
>> test because kernel selftest[1] has tested this.
>>
>> [1]https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/tools/testing/selftests/ipc/msgque.c
> 
> Looking at the code there it actually does not seem to be automated
> test, so I think that we should include a test for MSG_COPY in LTP.
> 
> We can put a simple one into msgrcv07 we would call msgrcv() with
> MSG_COPY if we got an EINVAL we will skip the test since MSG_COPY is not
> supported.
> 
> Otherwise msgrcv with id 0 and 1 should retrieve our two messages, so we
> would check that the data are correct, then we would check that there
> are still two messages queue in the queue, we can do that with msgctl()
> and/or read them with regular msgrcv.
I see. I will do it on new msgrcv07.c tomorrow(It is a little late today).
>