[project @ 1998-05-12 16:40:09 by sof]

[project @ 1998-05-12 16:40:09 by sof]
- closeFile: make sure that (FILE*)s pointing to non-regular,
  unlocked files (sockets, FDs etc.) are closed.
- new function: openFd, which implements process local file locking
  for files that are initially opened by the Posix Fd-based ops before
  being converted into a Haskell handle by Posix.fdToHandle