From: nobu.nokada@...
Date: 2002-11-08T15:09:55+09:00
Subject: Re: Win32 support issues

Hi,

At Thu, 7 Nov 2002 00:25:14 +0900,
Lyle Johnson wrote:
> | As for me I have problems with nonblocking I/O in Win32. Consider this:

Another problem due to select(), thread cannot switch while
console input.

  STDOUT.flush = true
  Thread.start {loop {print "."; sleep 1}}
  p gets

This code continues printing dots until ENTER will be hit under
UNIX or Cygwin, but stops with mswin32/mingw32/bccwin32 version.

> Non-blocking I/O is certainly available in the Windows operating system;
> I seem to recall that their terminology for it is "overlapped" I/O, but
> that's a side issue. But just because it's not implemented in the same
> way that it is under Linux/Unix doesn't make it "wrong", any more than
> the fact that CreateProcess() under Win32 is "wrong" but fork() under
> Linux is "right".

Overlapped I/O works only for serial/parallel port actually.
I'd considered about use of it, but abandoned.

-- 
Nobu Nakada