Name "main::status" used only once: possible typo at ./test.pl line 27.
Registered CB...
Waiting for CB to be done...
Waiting for CB to be done...
CB called. val received : 1
Waiting for CB to be done...
CB called. val received : 2
Waiting for CB to be done...
CB called. val received : 3
Waiting for CB to be done...
CB called. val received : 4
Waiting for CB to be done...
CB called. val received : 5
cb_done changed to one.
Waiting for CB to be done...
CB called. val received : 6
Waiting for CB to be done...
CB called. val received : 7