Re: [PATCH v2] selftests: prctl: Add new prctl test for PR_SET_NAME

From: Muhammad Usama Anjum
Date: Tue Jun 27 2023 - 15:01:16 EST


On 6/10/23 2:43 AM, Shuah Khan wrote:
> On 6/7/23 09:36, Osama Muhammad wrote:
>> This patch will add the new test, which covers the prctl call
>> PR_SET_NAME command. The test tries to give a name using the PR_SET_NAME
>> call and then confirm it that it changed correctly by using  PR_GET_NAME.
>> It also tries to rename it with empty name.In the test PR_GET_NAME is
>> tested by passing null pointer to it and check its behaviour.
>>
>> Signed-off-by: Osama Muhammad <osmtendev@xxxxxxxxx>
>>
>> ---
>> changes since v1:
>>     -Used TASK_COMM_LEN instead of using numerical value 16.
>
> Please add linux/sched.h here as an include to pull this.
> It is good to add an explicit include as opposed taking
> a chance on it being included from another include.
TASK_COMM_LEN is defined in include/linux/sched.h. It is only to be used by
the kernel.

If we look at include/uapi/linux/sched.h, TASK_COMM_LEN isn't defined. So
this test looks good to me.

>
> thanks,
> -- Shuah

--
BR,
Muhammad Usama Anjum