libffi-0.1: A binding to libffi

Safe HaskellNone

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 Source

Constructors

Arg 

Fields

unArg :: IO (Ptr CType, Ptr CValue, IO ())
 

customPointerArg :: (a -> IO (Ptr b)) -> (Ptr b -> IO ()) -> a -> ArgSource

mkStorableArg :: Storable a => Ptr CType -> a -> ArgSource

data RetType a Source

Constructors

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

Instances

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

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

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

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

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