use constant TIMEOUT => 60;

while (1) {
    for my $runCommand (@runArray) {
        $forkMgr->start($runCommand)
            and next;

        alarm(TIMEOUT);
        exec("/usr/localcw/opt/patrol/nagios/libexec/$runCommand")
            or die("exec: $!");
    }

    $forkMgr->wait_all_children;

    sleep 10;
}