On Wed, Mar 17, 2010 at 2:57 PM, Glenn Fowler <gsf at research.att.com> wrote: > > On Wed, 17 Mar 2010 14:48:50 +0100 Casper.Dik at Sun.COM wrote: >> >what happens for (4)? > >> Failure of what? getexecattr()? > > I wasn't sure if there were other failure modes > this is covered by the NULL getexecattr() return
Careful. getexecattr() may do NIS/LDAP lookups and rivals (in a negative meaning) DNS lookups in performance. I don't think this is a usable way unless the values are cached. Irek