RE: Your opinion needed: Should GNU Parallel ignore, kill or wait for background children?

[Cook, Malcolm]

Default should be to wait for background children unless called with new 
--async option


 > -----Original Message-----
 > From: Parallel [mailto:parallel-bounces+mec=stowers.org@gnu.org] On
 > Behalf Of Ole Tange
 > Sent: Monday, May 23, 2016 5:47 PM
 > To: parallel@gnu.org
 > Subject: Your opinion needed: Should GNU Parallel ignore, kill or wait for
 > background children?
 > 
 > Should GNU Parallel ignore, kill or wait for background children?
 > 
 > Example:
 > 
 > $ parallel '(sleep 100) & echo' ::: 1
 > 1
 > $ ps -opid,pgrp,cmd
 >     PID    PGRP CMD
 >  915719  915719 /bin/bash
 >  937618  937617 sleep 100
 >  937620  937620 ps -opid,pgrp,cmd
 > 
 > The sleep is put in the background. The echo finishes, and GNU
 > Parallel exits, while the sleep is still running.
 > 
 > Is this what you expect?
 > 
 > Or do you expect GNU Parallel to wait for the background job? Should
 > it do that for every job? Or just when GNU Parallel is about to exit?
 > 
 > Or do you expect GNU Parallel to kill the background job? Should it do
 > that for every job? Or just when GNU Parallel is about to exit?
 > 
 > 
 > /Ole