Excerpts from Evan Laforge's message of Mon Jul 12 14:56:11 -0400 2010: > But I'm not convinced that's actually enough because the C code is > still running outside of a withForeignPtr. I would have to do > something really hairy like call back to C from the haskell callback, > wrapping it in withForeignPtr. Is there a better way to convince the > GC that the pointer should remain alive until I explicitly release it > from C? The ideal I think would be a ref count that would keep the > pointer alive while >0, that could be decremented from C.
The function you are looking for is withForeignPtr. touchForeignPtr also works. Cheers, Edward _______________________________________________ Glasgow-haskell-users mailing list Glasgow-haskell-users@haskell.org http://www.haskell.org/mailman/listinfo/glasgow-haskell-users