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Date:	Wed, 12 Jul 2000 14:09:52 -0600
From:	Mark Paulus <mark DOT paulus AT wcom DOT com>
Subject:	Re: Fwd: accesing the serial port in non-blocking mode ?
In-reply-to:	<396CD6E6.FC10DB7D@kscable.com>
To:	Philippe Moutarlier <philippe AT kscable DOT com>
Cc:	Cygwin Mailing List <cygwin AT sourceware DOT cygnus DOT com>
Reply-to:	Mark Paulus <mark DOT paulus AT wcom DOT com>
Message-id:	<20000712200735.UUNW701@csp10509>
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Priority:	Normal

Try doing a select(), after setting the appropriate bit in your read mask.
When your bit is set, then you can do a read() from your port.


On Wed, 12 Jul 2000 14:36:54 -0600, Philippe Moutarlier wrote:

>
>Hi everybody,
>
>please excuse this newbie question : I am trying to access and control
>my serial ports using open + read/write +  tcgetattr/tcsetattr. I need
>to have the read in non-blocking mode so I set the VMIN and VTIME
>to be both 0.
>
>But the read still blocks ...
>
>I also seem to have pbs setting the speed to 115200 using the 
>c_flag attribute.
>
>I have just downloaded and installed the latest cygwin.
>
>Am I doing something wrong or is it just not possible ?
>
>Thanks
>
>Philippe
>
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