fbtl/TODO-kernel

   1 - setuid/setgid must effect process
   2   + test syscalls (getuid) afterwards
   3   + test core file content
   4
   5   + use UID/GID in access(2), chmod(2), chown(2), link(2)
   6
   7 - nice level is process property
   8
   9 - rlimit should be process-wide and SIGXCPU should be sent if all threads
  10   together exceed the limit
  11
  12 - getrusage() must return resource utilization for the process
  13
  14
  15
  16 The following are possible optimizations and in no way required:
  17
  18
  19 - the scheduler should be thread group-aware, i.e., it has to give time to
  20   the thread group not proportional to the number of threads.