[Rd] re-throwing an interrupt condition

[Gábor Csárdi]

I don't want to return a value, I want to interrupt the computation,
that's why I need to re-throw .
But before getting back to the user I want to run some cleanup code.

G.
On Sat, Jul 28, 2018 at 5:59 PM Iñaki Úcar <i.ucar86 using gmail.com> wrote:
>
> El sáb., 28 jul. 2018 a las 18:30, Gábor Csárdi
> (<csardi.gabor using gmail.com>) escribió:
> >
> > Anyone knows a way to re-throw a caught interrupt condition, so that
> > it behaves just like the original one? I.e. no error message is
> > printed, but the execution is stopped of course. With just calling
> > stop in the error handler, it prints the error message, or, if there
> > is no error message (like in the original interrupt condition),
> > another error happens.
> >
> > tryCatch(Sys.sleep(100), interrupt = function(e) {  e$message <-
> > "interrupted"; stop(e) } )
> > <press CTRL + C / ESC here>
> > #> Error: interrupted
> >
> > tryCatch(Sys.sleep(100), interrupt = function(e) stop(e))
> > <press CTRL + C / ESC here>
> > #> Error in stop(e) : bad error message
>
> Sorry, I probably misunderstood your intention, but... simply by not
> calling stop at all? This is what I see:
>
> > tryCatch(Sys.sleep(100), interrupt = function(e) do_something <<- 1)
> <press CTRL + C / ESC here>
> ^C>
> > do_something
> [1] 1
>
> Iñaki