Thread (1 message) 1 message, 1 author, 2012-08-13

Re: proc(5): minor text updates

From: Michael Kerrisk (man-pages) <hidden>
Date: 2012-08-13 20:41:38

Hi Tolga,

On Mon, Aug 13, 2012 at 7:13 PM, Tolga Dalman
[off-list ref] wrote:
Hi Michael,

On 08/13/12 09:35, Michael Kerrisk (man-pages) wrote:
quoted
quoted
while reading the /proc/[pid]/stat part in proc(5), I noticed two minor
issues that should be fixed:

1. The text reads: "flags %u (%lu before Linux 2.6.22) kernel flags word
of the process. For bit meanings, see  the  PF_*  defines  in
<linux/sched.h>."

PF_* is obvisously wrong. It should be CLONE_*.
I haven't looked closely, but I think PF_* is correct. Why do you think
it's wrong?
To my understanding, flags contains process flags (i.e., CLONE_*), which
are defined in <linux/sched.h>. PF_* flags, on the other hand, specify
protocol flags. Those are not related to <linux/sched.h> at all, but defined
in <bits/socket.h>
Ahh -- yes, an easy mistake to make I think. The thing is there are
two unrelated sets of constants in the PF_* namespace. Take a look in
linux/sched.h to see the other set, which is (AFAICS) the set that is
used in this /proc file.

Cheers,

Michael


-- 
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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