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From: "Topas" <yrwang AT cc DOT nctu DOT edu DOT tw>
To: "egor duda" <cygwin AT cygwin DOT com>
Subject: RE: stdout in gdb
Date: Tue, 22 May 2001 16:29:10 +0800
Message-ID: <NFBBJHGBKLKEAOHMECHMKEDDCAAA.yrwang@cc.nctu.edu.tw>
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NO! that does not work! 
I saw this answer in gdb mail-list, some one said gdb did not output!
I just try to run bash using DOS-window(/dev/con), 
the program working fine under gdb
it can find
/dev/conout
1
1

Strange, when I use rxvt (/dev/tty0) it doesn't work!


Thanx for your help!

-----Original Message-----
From: egor duda [mailto:deo AT logos-m DOT ru]
Sent: Tuesday, May 22, 2001 3:41 PM
To: Topas
Cc: cygwin AT cygwin DOT com
Subject: Re: stdout in gdb


Hi!

Tuesday, 22 May, 2001 Topas yrwang AT cc DOT nctu DOT edu DOT tw wrote:

T> Whenever I run a program under gdb, I find that the stdout is
T> full-buffered. So, I write a simple program to check the problem,

T> int main()
T> {
T> printf("%s\n", ttyname(1));
T> printf("%d\n", isatty(1));
T> printf("%d\n", stdout->_flags & 0x0001);
T> return 0;
T> }

T> the output of the program is
T> /dev/tty0
T> 1
T> 1

T> but when I run the program under gdb, the output becomes
T> (null)
T> 0
T> 0

T> Is there any options/setting I miss in gdb? 

probably.

(gdb) set new-console

Egor.            mailto:deo AT logos-m DOT ru ICQ 5165414 FidoNet 2:5020/496.19