Mailing-List: contact cygwin-help@sourceware.cygnus.com; run by ezmlm List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@sources.redhat.com Delivered-To: mailing list cygwin@sources.redhat.com Date: Fri, 30 Mar 2001 20:20:59 -0500 From: Christopher Faylor To: cygwin@cygwin.com Subject: Re: serial port programming Message-ID: <20010330202059.A32471@redhat.com> Reply-To: cygwin@cygwin.com Mail-Followup-To: cygwin@cygwin.com References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.3.11i In-Reply-To: ; from holmes@nbn.com on Fri, Mar 30, 2001 at 05:16:42PM -0800 On Fri, Mar 30, 2001 at 05:16:42PM -0800, Tim Holmes wrote: >Hello, > >I'm trying to use cygwin to write an app that communicates via the serial >port. I'm doing this under Windows NT. > >At one point I need to find out how many bytes are in the incoming >buffer. The POSIX programming references I've found say to use FIONREAD, >but this is apparently not included in Cywin's termios. > >I've found some references to this in the list archives, but wasn't clear >as to what it all meant. Can I read the number of bytes in the >buffer? I don't believe that it is implemented in Cygwin. cgf -- Want to unsubscribe from this list? Check out: http://cygwin.com/ml/#unsubscribe-simple