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use strict ;
use warnings ;
...

(1. ctrl-c pressed < 2 seconds
 2. ctrl-c pressed > 2 seconds)

use strict ;
use warnings ;
...
p Timeout reached - Printed after 2 seconds
s Program end     - Printed after 4 seconds
p Program end     - Printed after 4 seconds

use strict ;
use warnings ;
...
s Program end     - Printed after 4 seconds
p Timeout reached - Printed after 6 seconds
p Program end     - Printed after 6 seconds