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Date: Sat, 05 Jun 2004 13:18:22 -0400
To: Don McCarley <don DOT mccarley AT earthlink DOT net>, cygwin AT cygwin DOT com
From: Larry Hall <cygwin-lh AT cygwin DOT com>
Subject: Re: Problem on Cygwin with gdb:  segy input can't be tty
In-Reply-To: <40C1FC07.6060908@earthlink.net>
References: <40C1FC07 DOT 6060908 AT earthlink DOT net>
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At 12:59 PM 6/5/2004, you wrote:

>In trying to debug code with gdb, any program taking stdin on the command line complains that tty (keyboard) is already taken by gdb, so it can't use tty.  Is there a way that you can get the input data into the program other than stdin; or force it in with stdin?
>
>Example of problem:
>---
>$ gdb suresamp
>GNU gdb 2003-09-20-cvs (cygwin-special)
>Copyright ...
>.
>.
>(gdb) r < /home/work/tape01-1.su
>Starting program: /usr/local/cwp/bin/suresamp.exe < /home/work/tape01-1.su
>
>/usr/local/cwp/bin/suresamp: fgettr.c: segy input can't be tty
>
>Program exited with code 01.
>(gdb)
>---
>
>suresamp (and other programs that use stdin) works fine when not in debug (gdb) mode (because gdb isn't using tty).
>
>This may be a cygwin only issue, as it works on a linux sun box.
>


I tried this with 'cat', not specifying a file, and found I could type in
and see my input echoed back fine (just like outside 'gdb').  Does that 
reproduce for you?  Does trying that with 'suresamp.exe' give you different
results?


--
Larry Hall                              http://www.rfk.com
RFK Partners, Inc.                      (508) 893-9779 - RFK Office
838 Washington Street                   (508) 893-9889 - FAX
Holliston, MA 01746                     


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