[PATCH] Add test for pthread_setname_np and pthread_getname_np.

[Torvald Riegel]

On Tue, 2013-12-10 at 01:07 -0500, Carlos O'Donell wrote:
> I've had this kicking around since Ondrej added the manual
> entry for these functions and we all agreed that they should
> do nothing with NULL input.
> 
> This adds 4 test for pthread_setname_np and pthread_getname_np.
> 
> Test 1: Get the name of the task via pthread_getname_np and /proc
>         and verify that they both match.
> 
> Test 2: Test setting the name and then independently verify it
>         was set via /proc.
> 
> Test 3: Test setting a name that is one-byte too big and fails
>         with the correct error return *and* that the process
>         name is not modified.
> 
> Test 4: Verify that setting the longest name works.
> 
> Tested on x86-64 with no regressions.
> 
> [carlos@koi glibc]$ cat nptl/tst-setgetname.out 
> PASS: Test 1 - pthread_getname_np and /proc agree.
> PASS: Test 2 - Value used in pthread_setname_np and /proc agree.
> PASS: Test 3 - pthread_setname_np returned ERANGE for a process name that was too long.
> PASS: Test 3 - Original name unchanged after pthread_setname_np returned ERANGE.
> PASS: Test 4 - Longest name set via pthread_setname_np agrees with /proc.
> 
> OK to checkin?

Looks good to me.