openshift/origin-server — pull request #5075 by ironcladlou (2014-03-26 14:08:24+00:00)
Title: Check for pid existence in graceful shutdown func

Check for the existence of the given pid before trying to
perform commands on it during graceful shutdowns.

Resolve bug https://bugzilla.redhat.com/show_bug.cgi?id=1081020