Re: [Qemu-devel] [PATCH] catch signals

[Ian Jackson]

Gerd Hoffmann writes ("[Qemu-devel] [PATCH] catch signals"):
> This patch adds a signal handler to qemu, so fatal signals don't kill
> off qemu.  Instead a shutdown request is issued, like it is done when
> you close the SDL window.  qemu cleans up nicely then, cespecially it
> calls all atexit handlers.
...
> +    sigaction(SIGINT,  &act, NULL);
> +    sigaction(SIGTERM, &act, NULL);
> +    sigaction(SIGQUIT, &act, NULL);
> +    sigaction(SIGSEGV, &act, NULL);
> +    sigaction(SIGBUS,  &act, NULL);

This is wrong, I think.  It's fine to take this action for
INT and TERM.

It's very wrong to do so for SEGV and BUS.  QUIT is used for debugging
so should be left set to DFL too.

Ian.