kmullin/zombie_passenger_killer — comment on commit 717fc74d712abc70a2220533de0723cd648f50c0
File:  line 0
By kmullin:

Actually if you check the latest version, you'll see that I added Process.getpgid to check for existence before trying to issue a kill to an unknown pid. https://github.com/kmullin/zombie_passenger_killer/commit/8123f7008ec8f7dafbac87f4210c56319abf059f