glynn at gclements.plus.com
Fri Apr 22 16:39:35 EDT 2005
Peter Simons wrote:
> >> hPutBufNonBlocking :: Handle -> Ptr a -> Int -> IO Int
> >> hGetBufNonBlocking :: Handle -> Ptr a -> Int -> IO Int
> > You have these in GHC.IO at the moment.
> I know. ;-)
> > These are also rather more difficult to implement than
> > the single-byte versions, so I can't see nhc98 or Hugs
> > implementing them any time soon.
> What is difficult to implement about these functions? Aren't
> they just wrappers for read(2) and write(2)?
I would expect them to be essentially wrappers for fread() and
fwrite() (i.e. the stream's buffering is used), except with a single
byte-count argument instead of separate element-size and element-count
Glynn Clements <glynn at gclements.plus.com>
More information about the Libraries