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Re: GDB Ctrl-C Interrupt Fails WORKAROUND

On Thu, Jun 15, 2006 at 01:20:40AM -0700, Kyle McKay wrote:
>On 15 Jun 2006 at 00:44:05 -0400 Christopher Faylor wrote:
>>On Wed, Jun 14, 2006 at 08:29:50PM -0700, Kyle McKay wrote:
>>>If you have ever tried to interrupt a program running under cygwin
>>>gdb, you have probably experienced some frustration.  Especially if
>>>the program was built with -mno-cygwin.
>>No I never have.  In fact I often rely on CTRL-C interrupting the
>>program.  It doesn't matter whether the program is built with
>>-mno-cygwin or not.  In fact, I am sometimes frustrated when I  
>>want the CTRL-C to be propagated to the program but then I remember
>>about the "handle" command.
>>The only time that I can think of when a CTRL-C would not interrupt a
>>program would be when you're running gdb under a cygwin pty or  
>>tty.  But
>>it's usually easy enough not to do that if you are debugging a  
>I'm happy for you that CTRL-C works for you.  It does not work for me.
>I'm almost never running gdb from a genuine DOS command prompt.   
>Sometimes via ssh, sometimes via a terminal emulator.  CTRL-C doesn't  
>work in those.
>Also, if you have "tty" in your CYGWIN variable it doesn't work even  
>from a DOS command prompt.

Which is exactly what I theorized above.  So, characterizing CTRL-C as
not working in gdb is rather an overstatement without more details.

Now you know that you can use a standard console window for debugging
and all will be well.

>Lacking the ability to interrupt a running program severely limits  
>gdb's usefulness.  Fortunately there's a workaround available.

Yep.  Use a console window.


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