Hi Jens,
Would you be able to comment on
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=691195 please? Either
in that bug, or to this mail?
Thanks,
Michael
On Mon, Oct 22, 2012 at 10:05 PM, Simon Paillard spaill...@debian.org wrote:
Version: 3.42-1
On Sun, Jul 29, 2012 at 08:32:49AM +0200, Michael Kerrisk (man-pages) wrote:
On Sat, Dec 17, 2011 at 11:26 PM, Kalle Olavi Niemitalo k...@iki.fi wrote:
The ioprio_get(2) manual page describes the meanings of the which
and who parameters:
IOPRIO_WHO_PROCESS
who is a process ID identifying a single process.
IOPRIO_WHO_PGRP
who is a process group ID identifying all the members of
a process group.
The manual page should mention that IOPRIO_WHO_PROCESS and
IOPRIO_WHO_PGRP also allow who==0.
Yes.
As implemented in
fs/ioprio.c, who==0 means the calling process or its process
group. The ioprio program in util-linux already uses the
feature. This is worth documenting separately because
e.g. tcsetpgrp does not treat pgrp==0 in that way.
Agreed, this should be documented since various APIs interpret pgrp==0
differently. Some (e.g., killpg(2)) are like this syscall, others are
not.
Documented by Michael in 82fdd7c7d0, already in manpages 3.42.
IOPRIO_WHO_USER
who is a user ID identifying all of the processes that
have a matching real UID.
For IOPRIO_WHO_USER, the situation is more complex: who==0 means
the root user in ioprio_set but the current user (I think the
real UID of the calling process) in ioprio_get. (That
inconsistency might even be a bug.)
Remaning items as http://bugs.debian.org/691195
--
Simon Paillard
--
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Author of The Linux Programming Interface; http://man7.org/tlpi/
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