Re: safe shut-down

[Havoc Pennington <hp redhat com>]

Carlos Pereira <carlos pehoe civil ist utl pt> writes:
> > My app must be close with the close button (x button).
> > If the user launches the app in a console, he can close it
> > with crtl+c and this produces a non-safe shut-down.
> > How can I avoid this?
>
> #include <signal.h>
>
> /* to disable crtl+c */
> signal (SIGINT, SIG_IGN);
>
> /* to enable crtl+c */
> signal(SIGINT, SIG_DFL);
>
> This is AINSI C code, so it should really work everywhere.

Of course the user can still kill -9, and your app can still crash, so
you probably don't want to depend on disabling Ctrl-C.

Havoc