Felix Martini wrote:
Hi all,
winio is an I/O library for Windows using Windows API functions and
has I/O completion port support. The main goal of this library is to
support Simon Marlow's new Handle API once he has added that to GHC.
The library also has a compatibility module for socket functions from
the network-bytestring package. Because the library uses IOCP instead
of select it is not limited to 1024 open sockets. Try for example the
thread-ring program where each Haskell thread passes a UDP message
around (Change the MaxUserPort field in
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters
to 65534 to enable all ports).
The winio package is available on Hackage. Notice that it uses a
development version of the network package which is available at
http://darcs.haskell.org/packages/network/. The library has not been
tested much and should be considered experimental so please try it if
you use Windows and notify me of any issue or corner case.
As I understand it, programs compiled with GHC currently use MSYS for
all I/O operations, resulting in all kinds of strange behaviour in
corner cases. (E.g., if you use System.Directory and ask whether "C:\\"
is a directory, it says no, yet you can read the contents of that
directory.) I would have thought that calling the Win32 API directly
would probably fix most of these minor glitches. Is that what this
package is intending to do?
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