syslog(3) if we are a priveleged program (sshd, su, etc.).
- Make syslogd open an additional socket /var/run/logpriv, with 0600
permissions.
- In libc, try to use this socket.
- Do not loop forever if we are using this socket (partial backout of 1.31)
Reviewed by: dwmalone, Andrea Campi <andrea webcom it>
Approved by: julian (mentor)
MFC after: 1 month