Re: Sending signal to inferior

Bob Rossi
2005-12-30T17:04:14Z

On Fri, Dec 30, 2005 at 11:48:02AM -0500, Daniel Jacobowitz wrote:
> On Fri, Dec 30, 2005 at 11:43:00AM -0500, Bob Rossi wrote:
> > On Fri, Dec 30, 2005 at 04:57:38AM +0000, Carlos Eduardo Rodrigues de Almeida wrote:
> > > Thank you.. I'm trying to solve this for days..
> >
> > Wow, that took me a long time to figure out, and I wrote libtgdb.
> >
> > It's the tty command that is allowing libtgdb to interrupt GDB when the
> > inferior is running. Apparently, if you don't move the inferior's
> > terminal via the GDB tty command, then you can't interrupt the inferior
> > when it's running.
> >
> > Basically, I'm assuming that the SIGINT to GDB is ignored if the
> > inferior has control of the terminal. However, if you put the inferior
> > on a different terminal, then GDB must handle the SIGINT. This
> > explanation is just a guess though.
>
> It shouldn't be. Check whether GDB is reaching handle_sigint() and
> whether it is going through the event loop properly?

Yes, this is definatly a bug in GDB. If I use the tty command, and pass
to it the terminal that GDB is running on, then GDB can be interupted.

This does not seem correct.

Bob Rossi