On Sun, Apr 14, 2002 at 10:18:57AM +0200, Sascha Schumann wrote: > > The operating system pre-allocates those fd's (0..2 for Unix) -- why would > > opening an SDBM ever return any of those file descriptors? The only way > > would be if the consumer closed those handles beforehand. If the user > > does something like that, their program is broken -- we shouldn't try > > to work around that. > > There are various daemons which close all fds after forking > and detaching from the tty, because they have no need to keep > those fds open. open(), socket() or accept() can then return > an fd in the range 0..2. If APR would be used in such a > context, the scenario Bill laid out would be quite possible.
As I described, it would be possible for a user to close those descriptors before doing something like say, opening an SDBM. If they then try to _write_ to those (via something like write() to stderr), then that is a programming error which we should not be trying to solve. -- Jon
