RE: [Condor-users] condor_rm and process killing on Windows

["Ian Chesal" <ICHESAL@xxxxxxxxxx>]

> >When some.exe is running and he does condor_rm, condor is actually 
> >killing the some.exe process -- the deepest process in the tree. 
> >Leaving it's parent csh process thinking that some.exe finished and 
> >that it should return a bunch of stuff to him over FTP.
> >  
> >
> Nope, you're mixed up.
> 
> When the execute machine is instructed to vacate (e.g. as a 
> result of someone running condor_rm on a running job), condor 
> sends WM_CLOSE messages to each process underneath the 
> starter, regardless of their position in the "tree" (in fact, 
> windows doesn't use process hierarchies at all).
> 
> If you wanted to do something other than immediately exit 
> when the WM_CLOSE message is posted to your process, you have 
> to override the event handler (see 
> http://www.cs.wisc.edu/condor/manual/v6.7/6_2Microsoft_Windows
.html#SECTION00723000000000000000
> ). I'm not aware of any way to do that using MKS csh or 
> cmd.exe batch scripts, however.

Excellent. Then it must be the MSK csh shell's reponse to WM_CLOSE that
is giving us this very well-behaved shut down, waiting for spawned
children to close properly.

Thanks!

- Ian