On Thu, May 17, 2007 at 10:32:11PM -0500, Rob Hoelz wrote: > More questions from Rob regarding his mysterious bindings... > > So I've been reading the docs for the FFI, and it's my understanding > that foreign functions imported as "unsafe" are faster, but they've got > a problem with callbacks. From what I read, I believe that I should > just make a foreign function safe if it sets up a callback; is this > correct? Normally I wouldn't bother people with questions like this, > but I'd rather be absolutely certain and avoid tracking down a strange > bug later. > > Many thanks as always, > Rob
If it *calls* a callback into haskell. Also, for unfathomable reasons, safety has been overloaded to include forking OS threads. If it could block (like getchar), you must make it safe. Stefan _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe