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bug#31671: 26.1; edebug-defun doesn't step if functions run in a separat
bug#31671: 26.1; edebug-defun doesn't step if functions run in a separate thread
Tue, 05 Jun 2018 17:47:52 +0300
> Date: Mon, 4 Jun 2018 10:23:58 -0700 (PDT)
> From: Drew Adams <address@hidden>
> Cc: address@hidden
> > The problem here is that Edebug enters recursive-editing (on the
> > non-main thread which runs the function 'foo'), then waits for the
> > user to press a key. While it waits, it releases the global lock, and
> > the main thread starts running. So when you press a key, you are on a
> > different thread, and 'throw' doesn't have a matching 'catch' (because
> > that 'catch' is stored with the handlers of the thread which runs
> > 'foo'.
> > Not yet sure how to deal with this. Thoughts and ideas are welcome.
> Not really following this thread, and 100% unknowledgable
> about Emacs threading. But somewhat curious: Does the same
> problem exist for plain `debug' as for `edebug'?
Yes. Modify the recipe like this, and you have the same problem with
(defun foo ()
Eval the function to define it.
M-x debug-on-entry RET foo RET
M-: (make-thread 'foo) RET
Type 'd' in the backtrace that Emacs presents.