On Sat, Feb 24, 2007 at 04:38:16PM -0500, Graham Fawcett wrote: > On 2/24/07, felix winkelmann <[EMAIL PROTECTED]> wrote: > >On 2/23/07, john <[EMAIL PROTECTED]> wrote: > >> Hi. Are ports automatically closed when out of scope? > > > >No. You could set a finalizer, though. > > It seems to me that *all* ports should be closed upon finalization, > unless explicitly told not to. That is, all ports should have > close-*-port as a default finalizer, and there should be a procedure > available to unregister the finalizer in the rare cases where it > matters to leave it open.
If you need to do this type of thing, unwind-protect is your friend. There is no guarantee that the finalizer will be called when it *must* be called in order not to run out of file descriptors when you need something. Unwind-protect is the way to do this type of clean up. Later, -pete _______________________________________________ Chicken-users mailing list [email protected] http://lists.nongnu.org/mailman/listinfo/chicken-users
