use strict; use warnings; if (my $pid = fork) { eval { local $SIG{ALRM} = sub{die "Timeout hit\n"}; alarm 1; wait; alarm 0; 1; } or do { print $@; kill 9, $pid; } } else { magick_die(); exit; } sub magick_die { my $var = 0; for (1 ... 1000000) { $var++ for 1 .. 1000000; } }