ALRM received
command false:
PROCESS_EXIT 1
JOB_EXIT 0
command true:
PROCESS_EXIT 0
JOB_EXIT 0
command false | true:
PROCESS_EXIT 1
PROCESS_EXIT 0
JOB_EXIT 0
This is the process whose exit event shuld be blocked
This should come before the event handler
PROCESS_EXIT 0
JOB_EXIT 0
Now event handler should have run
PROCESS_EXIT 0