[Octave-bug-tracker] [bug #44912] Ctrl+C doesn't interrupt and causes SIGABRT at exit

[Dan Sebald]

Follow-up Comment #25, bug #44912 (project octave):

OK, thanks.  Neither cntrl-C nor copy is working for you.  That is likely not
a thread issue on your system.  Perhaps we should apply changeset 

https://savannah.gnu.org/bugs/download.php?file_id=33780

and open a new bug report so that discussion for the behavior you are seeing
is separate from the this bug-report thread.

I do see a couple lines of investigation for this changeset

http://hg.savannah.gnu.org/hgweb/octave/rev/bd1369a2a651

but I'll let T cogitate about those.

First, might it be that this conditional construct


  if (text.isEmpty () && ! extra_interrupt)
    emit interrupt_signal ();
  else
    QApplication::clipboard()->setText(text);


should be more along the lines


  if (text.isEmpty ())
    if  (! extra_interrupt)
      emit interrupt_signal ();
  else
    QApplication::clipboard()->setText(text);


Also, I don't see in that changeset anywhere that the new variable
_extra_interrupt is directly initialized anywhere.  That doesn't meant it
isn't initialized indirectly, but the place that _extra_interrupt is set is
via QTerminal::notice_settings() and that is a slot.  Perhaps that slot is
called when the QTerminal is constructed, but like I said I'll let someone
else first look more closely at that.

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