Thank you Simon, this is helpful. I take this is specific to quit(),
so it's a poor choice for emulating crashed parallel workers, and
Sys.kill() is much better for that.
I was focusing on that odd extra execution/output, but as you say,
there are lots of other things that is done by quit() here,
Henrik,
I'm not quite sure I understand the report to be honest.
Just a quick comment here - using quit() in a forked child is not allowed,
because the R clean-up is only intended for the master as it will be blowing
away the master's state, connections, working directory, running master's ex
The following smells like a bug in R to me, because it puts the main R
session into an unstable state. Consider the following R script:
a <- 42
message("a=", a)
cl <- parallel::makeCluster(1L, type="FORK")
try(parallel::clusterEvalQ(cl, quit(save="no")))
message("parallel:::isChild()=", parallel:
