libffi-0.1: A binding to libffi

Safe HaskellNone
LanguageHaskell98

Foreign.LibFFI.Base

Description

This module defines the basic libffi machinery. You will need this to create support for new ffi types.

Documentation

newtype Arg #

Constructors

Arg 

Fields

customPointerArg :: (a -> IO (Ptr b)) -> (Ptr b -> IO ()) -> a -> Arg #

mkStorableArg :: Storable a => Ptr CType -> a -> Arg #

data RetType a #

Constructors

RetType (Ptr CType) ((Ptr CValue -> IO ()) -> IO a) 

Instances

Functor RetType # 

Methods

fmap :: (a -> b) -> RetType a -> RetType b #

(<$) :: a -> RetType b -> RetType a #

withRetType :: (a -> IO b) -> RetType a -> RetType b #

mkStorableRetType :: Storable a => Ptr CType -> RetType a #

newStorableStructArgRet :: Storable a => [Ptr CType] -> IO (a -> Arg, RetType a, IO ()) #

newStructCType :: [Ptr CType] -> IO (Ptr CType, IO ()) #

callFFI :: FunPtr a -> RetType b -> [Arg] -> IO b #