If a linux process is waiting for I/O (i.e it is in SLEEP state) and a SIGKILL signal is issued against it, upon termination (STOPPED
SLEEP
SIGKILL
STOPPED
In addition to jim mcnamara's answer:
SIGKILL (kill -9) cannot be handled.
See the answer at https://stackoverflow.com/a/2541618/1456519 for more.