nonblocking reads in windows?

[Joe Connellan]

I'm on WinXP, there is no problem opening the com port, no errors, etc. But if I
try to write or read from it nothing happens - I know my com port works and the
config is correct as I can use it with os.read, etc.

Mark Hammond wrote:

> Joe Connellan wrote:
> > tried that one too, unfortunately it's also based on win32file - guess I'll
> > just have to work out why win32file doesn't work.
>
> Windows 95 doesnt seem to like recent win32file versions - IIRC, the
> CancelIO method doesn't exist there.  I don't have a win95 machine
> around any more.  If you are not on win95, what are the failure symptoms?
>
> Mark.