On Tue, 22 Aug 2023 19:55:56 -0700, Andrew Hewus Fresh wrote: > I noticed this when testing how signal handling worked in fw_update, it > turns out that if you `pkill -KILL -f fw_update` it may leave behind a perl > process that is locking the package database. Instead of just waiting > to be killed, we can have that process check to see if its parent is > still around and exit if not. > > Is there a more appropriate solution to this? > What's the right way to notice your parent exited?
One way is to have a pipe between the parent and child and use select() instead of the sleep() to tell when it goes away. - todd
