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| author | Simon Marlow <marlowsd@gmail.com> | 2012-08-02 11:40:17 +0100 |
|---|---|---|
| committer | Simon Marlow <marlowsd@gmail.com> | 2012-08-02 11:40:17 +0100 |
| commit | 855ef7348686aabf6222b8251c41dfe86fa4bcb0 (patch) | |
| tree | 3a66b386f75d9bacf1ed7e17424ca475ecb9c234 /libraries/base/GHC/ForeignPtr.hs | |
| parent | d19e3e035aecf014d7a1f9b1a3a74992e8e57653 (diff) | |
| download | haskell-855ef7348686aabf6222b8251c41dfe86fa4bcb0.tar.gz | |
Document that a FinalizerPtr is a pointer to a ccall function (#5254)
It can't be any other calling convention, e.g. stdcall.
Diffstat (limited to 'libraries/base/GHC/ForeignPtr.hs')
| -rw-r--r-- | libraries/base/GHC/ForeignPtr.hs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libraries/base/GHC/ForeignPtr.hs b/libraries/base/GHC/ForeignPtr.hs index 244e0fd14e..7e723153cb 100644 --- a/libraries/base/GHC/ForeignPtr.hs +++ b/libraries/base/GHC/ForeignPtr.hs @@ -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 ()) |