[LTP] [PATCH] syscalls/getpriority01: exclude default priority check for PRIO_USER.

[Cyril Hrubis]

Hi!
> >> It happens on Fedora20, RHEL5.11GA, RHEL6.8GA, RNEL7.3GA, testing returns
> >> -20 and -11 for PRIO_USER as root and nobody respectively.
> > 
> > Hmm, are you sure that this is not a bug? Since -20 is the highest
> > priority for a process, it does not make much sense to run all root
> > processes like that.
> 
> Yes, not all root processes are -20 on my system, but sorry, I am afraid
> it's not a bug, because man page says that the getpriority() call returns
> the highest priority (lowest numerical value) enjoyed by any of the
> specified processes, so if only there is one process is -20, the getpriority()
> will return -20.

Ah, my bad, sure we can't really say if there is a process that belongs
to the same user with priority lower than 0.

So what about we define a range in which the return value should be and
set it to 0 .. 0 for PRIO_PROCESS and PRIO_PGRP and to -20 .. 0 for
PRIO_USER?

-- 
Cyril Hrubis
chrubis@suse.cz