P_PROTECTED flag. It's similar to madvise(2) behaviour MADV_PROTECT,
but may be used for already running processes. Also rc.d/scprotect
scripts allow you to set protection flag even if process was
restarted by user.
WWW: http://dindin.ru/scprotect/
PR: 131423
Submitted by: Denis Barov <dindin at dindin dot ru>
