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bug#21313: 25.0.50; Strange errors from dbus-handle-event
From: |
Eli Zaretskii |
Subject: |
bug#21313: 25.0.50; Strange errors from dbus-handle-event |
Date: |
Fri, 16 Oct 2015 10:02:08 +0300 |
> From: Tassilo Horn <tsdh@gnu.org>
> Cc: michael.albinus@gmx.de, 21313@debbugs.gnu.org
> Date: Fri, 16 Oct 2015 06:53:19 +0200
>
> > I think I found the problem: the call to Fformat eventually calls
> > print_object, which calls QUIT, which resets quit-flag.
>
> I've seen it now. Well, that's not what I would have expected.
You should expect any potentially prolonged operation to call QUIT
somewhere in its loop. That's standard Emacs coding practice, meant
to make Emacs more responsive.
> > So you need to change the beginning of read_char like this:
> >
> > ptrdiff_t count = SPECPDL_INDEX ();
> > specbind (Qinhibit_quit, Qt);
> > AUTO_STRING (format, "%S");
> > printf ("record_char: %s\n", SSDATA (CALLN (Fformat, format, c)));
> > unbind_to (count, Qnil);
>
> Yes, that works. So that's the C version of (let ((inhibit-quit t))
> ...). So specbind creates a dynamic binding, and with unbind_to you pop
> entries up to a given index again, right?
Yes. See Flet (modulo the clutter) for a definitive evidence.
(Btw, unwind-protect is implemented using the same mechanism in C.)
- bug#21313: 25.0.50; Strange errors from dbus-handle-event, (continued)
- bug#21313: 25.0.50; Strange errors from dbus-handle-event, Eli Zaretskii, 2015/10/08
- bug#21313: 25.0.50; Strange errors from dbus-handle-event, Tassilo Horn, 2015/10/14
- bug#21313: 25.0.50; Strange errors from dbus-handle-event, Eli Zaretskii, 2015/10/14
- bug#21313: 25.0.50; Strange errors from dbus-handle-event, Tassilo Horn, 2015/10/14
- bug#21313: 25.0.50; Strange errors from dbus-handle-event, Eli Zaretskii, 2015/10/14
- bug#21313: 25.0.50; Strange errors from dbus-handle-event, Tassilo Horn, 2015/10/15
- bug#21313: 25.0.50; Strange errors from dbus-handle-event, Eli Zaretskii, 2015/10/15
- bug#21313: 25.0.50; Strange errors from dbus-handle-event, Tassilo Horn, 2015/10/15
- bug#21313: 25.0.50; Strange errors from dbus-handle-event, Eli Zaretskii, 2015/10/15
- bug#21313: 25.0.50; Strange errors from dbus-handle-event, Tassilo Horn, 2015/10/16
- bug#21313: 25.0.50; Strange errors from dbus-handle-event,
Eli Zaretskii <=
- bug#21313: 25.0.50; Strange errors from dbus-handle-event, Tassilo Horn, 2015/10/16
- bug#21313: 25.0.50; Strange errors from dbus-handle-event, Eli Zaretskii, 2015/10/16
- bug#21313: 25.0.50; Strange errors from dbus-handle-event, Tassilo Horn, 2015/10/16
- bug#21313: 25.0.50; Strange errors from dbus-handle-event, Eli Zaretskii, 2015/10/16
- bug#21313: 25.0.50; Strange errors from dbus-handle-event, Tassilo Horn, 2015/10/16
- bug#21313: 25.0.50; Strange errors from dbus-handle-event, Tassilo Horn, 2015/10/29
- bug#21313: 25.0.50; Strange errors from dbus-handle-event, Eli Zaretskii, 2015/10/29