Juan Carlos Arevalo Baeza wrote:
Thanx! That's exactly what I needed. The swhich was undocumented! :-P
:-) I understand the caveats well enough. You can avoid the
exceptions very easily using this code:
---8<--------------------------------------
import Foreign.C.Types
import Foreign.C.String
foreign import ccall unsafe "HsBase.h __hscore_open" c_open :: CString
-> CInt -> CInt -> IO CInt
foreign import ccall unsafe "HsBase.h dup2" dup2 :: CInt -> CInt -> IO
CInt
open fname oflag pmode = withCString fname $ \c_fname -> c_open
c_fname oflag pmode
main =
fd <- open "nul" 2 0
dup2 fd 0
dup2 fd 1
dup2 fd 2
I guess Windows can make even Haskell programs look ugly. Or at the
very least esthetically unpleasing. :)
... rest of the program goes here.
---8<--------------------------------------
Suggestion for somebody: maybe we should add this (or something
such) as standard to the next version of GHC. I mean a proper switch
(--mk-gui or something such) and somehow setting the standard handles
like above when it's invoked.
JCAB
Duncan Coutts wrote:
On Sat, 2005-08-27 at 13:42 -0700, Juan Carlos Arevalo Baeza wrote:
When compiling a haskell program under Windows, is there any way
to compile it as a GUI program instead of a console program?
Yes, see the following FAQ from Gtk2Hs:
http://haskell.org/gtk2hs/archives/2005/06/23/hiding-the-console-on-windows/
and do make sure you understand the caveats.
Duncan
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