bug#2520: 23.0.91; Dies on SIGHUP

[Stefan Monnier via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>]

Stefan Kangas [2021-10-22 02:19:21] wrote:
> Lars Ingebrigtsen <larsi@gnus.org> writes:
>> Andreas Schwab <schwab@linux-m68k.org> writes:
>>> On Sep 29 2019, Lars Ingebrigtsen <larsi@gnus.org> wrote:
>>>> It's definitely something I could have used a number of times...  and
>>>> re-reading init files on SIGHUP isn't an unusual thing to do.
>>> But only for demons.  Normally a process receives SIGHUP if its
>>> controlling terminal goes away.
>> Yeah, that's true.
>> I guess SIGUSR1 and 2 are also taken...

Not really: they're turned into input events and one of them can be used
for `debug-on-event` but the other is free.

> So do we actually want to do anything here?  Simply re-reading the
> configuration comes with its own set of complications for us.

BTW, if someone wants to re-read their init file upon SIGUSR1, they can
do so via something like:

    (define-key special-event-map [sigusr1] <...>)


-- Stefan