On Sun, Aug 5, 2012 at 11:37 AM, Antonio Menezes Leitao <antonio.menezes.lei...@ist.utl.pt> wrote: > On Sun, Aug 5, 2012 at 2:27 PM, Robby Findler > <ro...@eecs.northwestern.edu> wrote: >> My first guess is that the right way to do this is to use custodians >> to do this shutdown, not closing the window (and perhaps make closing >> the window shutdown the custodian, depending). Generally speaking, >> custodians are the abstraction that Racket uses to manage the clean >> shutdown of external state (like network connections, open files, open >> windows, etc). > > Sounds like a good idea. Is it possible to register a finalizer in a > custodian? Or something similar that allows me to call an FFI function.
I'm not as familiar with this layer of Racket, but I think you probably want to start with scheme_add_managed and that region of the manuals. hth, Robby ____________________ Racket Users list: http://lists.racket-lang.org/users
