On Fri, Oct 31, 2003 at 06:45:41PM +1100, Manuel M T Chakravarty wrote:
> (1) The addition of a variant of foreign finalizers that
> take an extra environment argument that facilitates the
> emulation of closures in C. This adds two functions to
> `ForeignPtr'.
Regarding
type FinalizerEnvPtr env a = FunPtr (Ptr env -> Ptr a -> IO ())
newForeignPtrEnv :: FinalizerEnvPtr env a ->
Ptr env -> Ptr a -> IO (ForeignPtr a)
addForeignPtrFinalizerEnv :: FinalizerEnvPtr env a ->
Ptr env -> ForeignPtr a -> IO ()
Doesn't this mean that the env must be either static storage (gaining
nothing) or dynamic storage that cannot be reclaimed (which brings us
back to where we started)?
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