[LAD] Fwd:?==?utf-8?q? Re:?==?utf-8?q? QTractor:?==?utf-8?q? QThreads: Not realtime on Linux without root?

[Ralf Mattes]

Am Mittwoch, 11. Januar 2017 13:21 CET, Felipe Ferreri Tonello <eu at felipetonello.com> schrieb: 
 
> Hi Ralf,
> 
> On 03/01/17 21:37, Ralf Mattes wrote:
> >  
> > Am Dienstag, 03. Januar 2017 19:31 CET, Felipe Ferreri Tonello <eu at felipetonello.com> schrieb: 
> >  
> > 
> >> If sched_setscheduler() returns -1, check if errno is set to EPERM. In
> >> this case the user trying to perform this operation does not have> >> CAP_SYS_NICE[1] capability, which is *required*.
> >>
> >> [1] http://man7.org/linux/man-pages/man7/capabilities.7.html
> >>
> >> If you want this type of feature, set CAP_SYS_NICE to the group audio
> >> that you are referring.
> > 
> > ??? How can I grant capabilities to a group? I thought capabilites where either given to
> > a user (via /etc/security/capability.conf) or to a binary (by means of setcap).
> 
> AFAIK, pam_cap support users and groups.

Not according to my local manpages (pam_cap(8)  09/23/2011 and CAPABILITY.CONF(5) -- 09/23/2011).
Do you have any y reference for your information?

TIA Ralf Mattes