I think I've fixed the problem, and I re-enabled the custodian callback. Let me know if you see further problems, of course.
At Mon, 10 Dec 2012 11:41:58 -0700, Neil Toronto wrote: > Randomly. It didn't happen often... maybe 1 in 15 times? I think you > could open and run this program in a tab and then immediately close it: > > #lang racket > (require math/bigfloat) > > Do that a lot, and you might see it. :/ You'd have to reenable the > custodian shutdown callback. > > On 12/10/2012 08:57 AM, Matthew Flatt wrote: > > It's hard to say where the bug is, but there may be some problem in the > > implementation of custodians of `register-custodian-shutdown'. Is it > > repeatable? > > > > At Thu, 06 Dec 2012 16:48:37 -0700, Neil Toronto wrote: > >> I just got this message on my console, I think after closing a tab, > >> which coincided with DrRacket hanging: > >> > >> > >> eventspace-shutdown?: contract violation > >> expected: eventspace? > >> given: #<procedure:mpfr_free_cache> > >> context...: > >> /home/neil/plt/collects/mred/private/wx/common/queue.rkt:201:0: > >> shutdown-eventspace! > >> > >> > >> It's obviously because of this code, which is near the top of > >> "math/private/bigfloat/mpfr.rkt": > >> > >> > >> (define mpfr-free-cache (get-mpfr-fun 'mpfr_free_cache (_fun -> _void))) > >> > >> (define mpfr-shutdown > >> (register-custodian-shutdown mpfr-free-cache (λ (free) (free)))) > >> > >> > >> Did I misunderstand something, or is this someone else's bug? > >> > >> Neil ⊥ > >> _________________________ > >> Racket Developers list: > >> http://lists.racket-lang.org/dev _________________________ Racket Developers list: http://lists.racket-lang.org/dev
