Re: Calling internal-default-process-sentinel from another sentinel?

[Stefan Monnier]

> Such a use case doesn't seem uncommon and simply calling
> 'internal-default-process-sentinel' from a custom sentinel would seem a
> good solution, but the "internal-" prefix or the fact that such usage is
> completely absent from Emacs core and very rare even in 3rd party
> code[1] don't inspire confidence.

`add-function` is your friend.

    (add-function :around (process-sentinel proc)
                  (lambda (orig-fun proc state)
                    (if (one particular case)
                        (do the thing)
                      (funcall orig-fun proc state))))


-- Stefan