}
\f
+static bool
+echo_keystrokes_p (void)
+{
+ return (!cursor_in_echo_area)
+ && (FLOATP (Vecho_keystrokes) ? XFLOAT_DATA (Vecho_keystrokes) > 0.0
+ : INTEGERP (Vecho_keystrokes) ? XINT (Vecho_keystrokes) > 0
+ : false);
+}
+
/* Add C to the echo string, without echoing it immediately. C can be
a character, which is pretty-printed, or a symbol, whose name is
printed. */
static void
echo_now (void)
{
- if (!current_kboard->immediate_echo)
+ if (!current_kboard->immediate_echo
+ /* This test breaks calls that use `echo_now' to display the echo_prompt.
+ && echo_keystrokes_p () */)
{
current_kboard->immediate_echo = true;
echo_update ();
}
}
-static bool
-echo_keystrokes_p (void)
-{
- return (FLOATP (Vecho_keystrokes) ? XFLOAT_DATA (Vecho_keystrokes) > 0.0
- : INTEGERP (Vecho_keystrokes) ? XINT (Vecho_keystrokes) > 0 : false);
-}
-
/* Read a character from the keyboard; call the redisplay if needed. */
/* commandflag 0 means do not autosave, but do redisplay.
-1 means do not redisplay, but do autosave.
}
#endif
-
#if defined HAVE_INOTIFY || defined HAVE_KQUEUE || defined HAVE_GFILENOTIFY
case FILE_NOTIFY_EVENT:
{
of echoing, so that it serves as a prompt for the next
character. */
kset_echo_prompt (current_kboard, prompt);
+ /* FIXME: This use of echo_now doesn't look quite right and is ugly
+ since it forces us to fiddle with current_kboard->immediate_echo
+ before and after. */
current_kboard->immediate_echo = false;
echo_now ();
+ if (!echo_keystrokes_p ())
+ current_kboard->immediate_echo = false;
}
- else if (cursor_in_echo_area
- && echo_keystrokes_p ())
+ else if (echo_keystrokes_p ())
/* This doesn't put in a dash if the echo buffer is empty, so
you don't always see a dash hanging out in the minibuffer. */
echo_dash ();
is used. Note that [Enter] is not echoed by dos. */
cursor_to (SELECTED_FRAME (), 0, 0);
#endif
+
+ write_stdout ("Emacs is resuming after an emergency escape.\n");
+
/* It doesn't work to autosave while GC is in progress;
the code used for auto-saving doesn't cope with the mark bit. */
if (!gc_in_progress)
DEFVAR_LISP ("disable-point-adjustment", Vdisable_point_adjustment,
doc: /* If non-nil, suppress point adjustment after executing a command.
-After a command is executed, if point is moved into a region that has
-special properties (e.g. composition, display), we adjust point to
-the boundary of the region. But, when a command sets this variable to
-non-nil, we suppress the point adjustment.
+After a command is executed, if point moved into a region that has
+special properties (e.g. composition, display), Emacs adjusts point to
+the boundary of the region. But when a command leaves this variable at
+a non-nil value (e.g., with a setq), this point adjustment is suppressed.
This variable is set to nil before reading a command, and is checked
just after executing the command. */);
DEFVAR_LISP ("global-disable-point-adjustment",
Vglobal_disable_point_adjustment,
- doc: /* If non-nil, always suppress point adjustment.
+ doc: /* If non-nil, always suppress point adjustments.
-The default value is nil, in which case, point adjustment are
-suppressed only after special commands that set
-`disable-point-adjustment' (which see) to non-nil. */);
+The default value is nil, in which case point adjustments are
+suppressed only after special commands that leave
+`disable-point-adjustment' (which see) at a non-nil value. */);
Vglobal_disable_point_adjustment = Qnil;
DEFVAR_LISP ("minibuffer-message-timeout", Vminibuffer_message_timeout,
variable are `sigusr1' and `sigusr2'. */);
Vdebug_on_event = intern_c_string ("sigusr2");
+ DEFVAR_BOOL ("attempt-stack-overflow-recovery",
+ attempt_stack_overflow_recovery,
+ doc: /* If non-nil, attempt to recover from C stack
+overflow. This recovery is unsafe and may lead to deadlocks or data
+corruption, but it usually works and may preserve modified buffers
+that would otherwise be lost. If nil, treat stack overflow like any
+other kind of crash. */);
+ attempt_stack_overflow_recovery = true;
+
+ DEFVAR_BOOL ("attempt-orderly-shutdown-on-fatal-signal",
+ attempt_orderly_shutdown_on_fatal_signal,
+ doc: /* If non-nil, attempt to perform an orderly
+shutdown when Emacs receives a fatal signal (e.g., a crash).
+This cleanup is unsafe and may lead to deadlocks or data corruption,
+but it usually works and may preserve modified buffers that would
+otherwise be lost. If nil, crash immediately in response to fatal
+signals. */);
+ attempt_orderly_shutdown_on_fatal_signal = true;
+
/* Create the initial keyboard. Qt means 'unset'. */
initial_kboard = allocate_kboard (Qt);
}