On Sat, Mar 17, 2012 at 08:51:25PM +0000, Robert N. M. Watson wrote:
> 
> On 17 Mar 2012, at 19:30, Mikolaj Golub wrote:
> 
> > Currently we can check and change binary osreldate of another process via
> > procfs(5).
> > 
> > Kostik suggested to add a new sysctl for the same purpose and also extend
> > procstat to show osrel.
> > 
> > Here are patches I am going to commit if there are no objections or
> > suggestions.
> > 
> > http://people.freebsd.org/~trociny/kern_proc_osrel.1.patch
> > http://people.freebsd.org/~trociny/procstat.osrel.1.patch
> > 
> > I set the same permissions as for procfs(5) osrel -- so only user can read 
> > it,
> > but may be this is too restrictive and p_cansee on read would be ok?
> > 
> > I added osrel output to procstat -b option:
> > 
> > kopusha:~% procstat -b 2975
> >  PID COMM                OSREL PATH
> > 2975 emacs             1000001 /usr/local/bin/emacs-23.3
> > 
> > Would this be ok or someone see a better way?
> 
> 
> Support for writing the field seems to violate the synchronisation protocol 
> defined for p_osrel in proc.h. In the new world order, is this simply a 
> documentation bug, or is it also a software bug?
> 

This is a documentation bug, I failed to update the field description when
added procfs support.

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