- partially resolve memory leaks for the programs without   $::application-> yield or Prima::run.   Reason: an object structure is not free()'d immediately, but   stored into zombie list. Such list is purged inside   yield() and run().
- partially resolve memory leaks for the programs without
  $::application-> yield or Prima::run.
  Reason: an object structure is not free()'d immediately, but
  stored into zombie list. Such list is purged inside
  yield() and run().

run4flat/Primo,run4flat/Primo