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RE: O_NONBLOCK serial I/O blocks on 95, OK on NT
- To: "'cygwin at cygwin dot com'" <cygwin at cygwin dot com>
- Subject: RE: O_NONBLOCK serial I/O blocks on 95, OK on NT
- From: "Town, Brad" <btown at ceddec dot com>
- Date: Wed, 6 Dec 2000 14:46:30 -0500
Christopher Faylor [mailto:cgf@redhat.com] wrote:
> Serial I/O in cygwin uses MS overlapped I/O. Maybe this
> isn't completely
> implemented on w9x.
Microsoft's overlapped I/O for serial ports is fully implemented, though
it's just different enough to drive you crazy. I've had times when serial
I/O code (straight Win32 API stuff) would work perfectly under NT/2000, but
would fail under Win9x because some parameters were considered invalid. I
wish I could remember the details.
Brad Town
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