Commit 855ef734 authored by Simon Marlow's avatar Simon Marlow
Browse files

Document that a FinalizerPtr is a pointer to a ccall function (#5254)

It can't be any other calling convention, e.g. stdcall.
parent d19e3e03
......@@ -114,6 +114,8 @@ instance Show (ForeignPtr a) where
-- finalisation time, gets as an argument a plain pointer variant of the
-- foreign pointer that the finalizer is associated with.
--
-- Note that the foreign function /must/ use the @ccall@ calling convention.
--
type FinalizerPtr a = FunPtr (Ptr a -> IO ())
type FinalizerEnvPtr env a = FunPtr (Ptr env -> Ptr a -> IO ())
......
Supports Markdown
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment