When kern.nosuidcoredump=3, act like =2 but try to dump cores into

When kern.nosuidcoredump=3, act like =2 but try to dump cores into
the /var/crash/programname/ directory, as root. For instance,
    # mkdir /var/crash/bgpd/
    # chmod 700 /var/crash/bgpd/    # If you skip this step, you are a moron
    # sysctl kern.nosuidcoredump=3
    # bgpd
    # pkill -ABRT bgpd
    # ls /var/crash/bgpd/
    14764.core   23207.core   6423.core
Of course, in real life the idea is that you don't kill the daemon but it
crashes and you collect parallel cores.  Careful you don't fill your /var.
Further tuneables are being considered.

Sorry to be picking on bgpd for this example.  I've watched the "too
difficult to debug privsep code" angst for far too long.
ok guenther