[PATCH] time limit

Tim Conway conway at us.ibm.com
Tue Apr 20 14:56:49 GMT 2004

Ok, now that's just plain ugly.
Here, I just wrote you this...
cnwt99 at 78KZAZ2
/home/cnwt99>cat runfor 

#runfor   usage:runfor seconds commandline

#need it to get the correct value for WNOHANG
use POSIX ":sys_wait_h";

#pull the params
($runtime, @commandline) = @ARGV ;
#assemble the commandline
$commandline = join(' ', @commandline) ;

#save the pid to kill
if( $kidpid = fork() ){
#and let it run
#see if it's still there.  the "0" looks for children within this
#process group, in case it's completed and the pid's been re-used...
#it happens, though it might be held as a zombie for us... can't
#count on it, though. - if response<0, it's still running
unless(0 < waitpid(0, WNOHANG)){
#kill it
kill(15, $kidpid) ;
#fork and give it our slot
exec( $commandline );
cnwt99 at 78KZAZ2

Tim Conway
Unix System Administration
Contractor - IBM Global Services
conway at us.ibm.com

Jan-Benedict Glaw <jbglaw at lug-owl.de> 
Sent by: rsync-bounces+conway=us.ibm.com at lists.samba.org
04/20/2004 06:30 AM

rsync at lists.samba.org

Re: [PATCH] time limit

On Mon, 2004-04-19 16:28:08 -0400, John Taylor <john at fcs.uga.edu>
wrote in message <20040419202808.GA23665 at spock.fcs.uga.edu>:

> I have written a patch for rsync-2.6.1pre-2 which adds a --time-limit=T
> option.  When this option is used rsync will stop after T minutes
> and exit.  I think this option is useful when rsyncing a large amount

Okay, nice thing. What about

$ echo "killall rsync" | at midnight

Of couse, you can make that a bit more flexible if you've got several
concurrent rsync running (by using their PID and checking it before
killing it to actually be a rsync instance)...


   Jan-Benedict Glaw       jbglaw at lug-owl.de    . +49-172-7608481
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