# File lib/mongrel.rb, line 750
750:     def change_privilege(user, group)
751:       begin
752:         if group
753:           log "Changing group to #{group}."
754:           Process::GID.change_privilege(Etc.getgrnam(group).gid)
755:         end
756: 
757:         if user
758:           log "Changing user to #{user}." 
759:           Process::UID.change_privilege(Etc.getpwnam(user).uid)
760:         end
761:       rescue Errno::EPERM
762:         log "FAILED to change user:group #{user}:#{group}: #$!"
763:         exit 1
764:       end
765:     end