Problem on Cygwin with gdb: segy input can't be tty
Don McCarley
don.mccarley@earthlink.net
Sat Jun 5 17:39:00 GMT 2004
Larry,
Yes, I can type cat and enter text and it is returned to me. How can I
try cat with suresamp? You lost me there. Thanks for looking at this.
Don
Larry Hall wrote:
>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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