Re: Patch to avoid SIGQUIT accident

I agree with your arguments, and if instead we put an option to disable
this before compiling or a set in the psql cli?

On Sun, Oct 21, 2018, 20:20 Tom Lane <tgl@sss.pgh.pa.us> wrote:

> Renato dos Santos <shazaum@gmail.com> writes:
> > I have been using psql for quite a few days. And I have accidentally
> pressed the CTRL + \ keys that sends the signal QUIT+Coredump (CTRL+4 also
> sends the same signal).
> > I hope it's relevant to more people. (This has bothered me.)
>
> > this patch avoids the output of the CLI using ctrl + \ is the same as
> ctrl + c
>
> I'm fairly confused about why this would be a good idea, for several
> reasons:
>
> * If you have a tendency to make that typo, why would you want a fix that
> only affects psql and not any of your other applications?  (If you do
> want the latter, there are already ways to do it, eg you could remap
> SIGQUIT to some other key via stty, or disable core dumps via ulimit.)
>
> * If we put this in, what becomes of people who actually want a core dump,
> eg for debugging?
>
> * SIGQUIT is a fairly well-known way to get out of an application when all
> else fails.  People who aren't familiar with psql's exit commands might
> find it pretty unfriendly of us to block this off.
>
>                         regards, tom lane
>