Re: Read-only lock on RPM db

[Robert Lehr <bozzio the-lehrs com>]

On Tue, Aug 24, 2004 at 09:18:27PM -0400, Jeff Johnson wrote:
> On Tue, Aug 24, 2004 at 03:59:04PM -0700, Shawn Weber wrote:
> > > Hmmm, this smells like rpm-4.0.4 or earlier. That the case?
> > 
> > Yes, this particular build server is running version 4.0.4.  
> > 
> > > The solution will be to participate in the locking scheme 
> > > that rpm uses, basically shared/exclusive fcntl locks on 
> > > /var/lib/rpm/Packages.
> > 
> > How would I find out what specific process(es) has a shared/exclusive
> > fcntl lock on /var/lib/rpm/Packages?
> > 
> 
> Hint: Any process that has a fcntl lock on /var/lib/rpm/Packages
> is linking librpmdb-X.Y.so
> 	rpm -q --whatrequires librpmdb-X.Y.so
> and the package contains files
> 	rpm -ql `rpm -q --whatrequires librpmdb-X.Y.so`
> and one of those files is running
> 	ps auxg | grep some_file_above
> 

'lsof', if it is available to you, might serve a similar purpose.

-- 

Robert Lehr
(concatenate 'string "bozzio" "@" "the-lehrs" ".com")