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Re: Crash robustness (Was: Re: Dynamic modules: MODULE_HANDLE_SIGNALS et
From: |
Eli Zaretskii |
Subject: |
Re: Crash robustness (Was: Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc.) |
Date: |
Wed, 23 Dec 2015 19:55:17 +0200 |
> Cc: address@hidden, address@hidden,
> address@hidden, address@hidden, address@hidden
> From: Daniel Colascione <address@hidden>
> Date: Wed, 23 Dec 2015 09:41:20 -0800
>
> > We could try calling shut_down_emacs from the signal handler, but I'm
> > not sure if the small alternate stack will be enough for write-region.
> > Something to investigate, I guess.
>
> We can make the alternate signal stack as large as we want.
Not as large as is safe to run arbitrary Lisp.
> >> The next time Emacs starts, we can restore the buffers we've saved
> >> this way and ask users to save them --- just like autosave, but done
> >> on-demand, at crash time, in C code, on the alternate signal stack.
> >
> > Why "like autosave"? What will be different from actually
> > auto-saving? shut_down_emacs does that automatically.
> >
>
> Er, yes, I noticed that after I wrote the email that we already do what
> I propose, more or less. In this case, we don't lose very much by just
> deleting the stack overflow code and relying on autosave.
Auto-save will only save buffers that visit files.
- Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc., (continued)
- Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc., John Wiegley, 2015/12/22
- Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc., Daniel Colascione, 2015/12/22
- Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc., Eli Zaretskii, 2015/12/22
- Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc., Daniel Colascione, 2015/12/22
- Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc., Eli Zaretskii, 2015/12/22
- Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc., Daniel Colascione, 2015/12/22
- Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc., Eli Zaretskii, 2015/12/23
- Crash robustness (Was: Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc.), Daniel Colascione, 2015/12/23
- Re: Crash robustness (Was: Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc.), Eli Zaretskii, 2015/12/23
- Re: Crash robustness (Was: Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc.), Daniel Colascione, 2015/12/23
- Re: Crash robustness (Was: Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc.),
Eli Zaretskii <=
- Re: Crash robustness (Was: Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc.), Daniel Colascione, 2015/12/23
- Re: Crash robustness (Was: Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc.), Eli Zaretskii, 2015/12/23
- Re: Crash robustness (Was: Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc.), Daniel Colascione, 2015/12/23
- Re: Crash robustness (Was: Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc.), Eli Zaretskii, 2015/12/23
- Re: Crash robustness (Was: Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc.), Daniel Colascione, 2015/12/23
- Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc., Eli Zaretskii, 2015/12/21
- Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc., Philipp Stephani, 2015/12/21
Re: Dynamic modules: MODULE_HANDLE_SIGNALS etc., Eli Zaretskii, 2015/12/20