# normal run, will finish after 7 iterations
# 'ipcs -a' shows everything was cleaned up properly

perl main.pl 2 2

# another normal run, but this time hit CTRL-C before the last iter
# `ipcs -a` shows SIGINT handler properly cleans up

perl main.pl 2 2 # hit CTRL-C

# send in 1 as the first param to have B.pm die() after 5 iters
# 'ipcs -a' shows everything cleaned up properly

perl main.pl 1 1

# PROBLEMATIC RUN
# send in three args which will die() main.pl
# 'ipcs -a' shows a leak of a memory segment

perl main.pl 2 2 2