use strict;
use warnings;

my $pos;

$SIG{ALRM} = 'doReport';
alarm (2);

eval {doFail ()};


sub doFail {
    while (1) {
        $pos = 1;
        $pos = 2;
        $pos = 3;
        $pos = 4;
    }
}


sub doReport {
    my ($package, $filename, $line, $subroutine) = caller 0;
    
    print "$line, $subroutine (pos = $pos)\n";
    exit;
}

##</code><code>##

15, main::doReport (pos = 2)