`make-directory*` won't raise: http://docs.racket-lang.org/reference/Filesystem.html?q=temp#%28def._%28%28lib._racket%2Ffile..rkt%29._make-directory%2A%29%29
On Thu, Feb 16, 2017 at 2:33 PM, Dan Liebgold <[email protected]> wrote: > Hi - > > I have a few racket process running on Windows that need to each ensure the > same directory structure exists. I have code like this: > > (unless (directory-exists? dir) > (make-directory dir)) > > Well, since they're running in parallel occasionally they race and try to > make the directory after another has done so, resulting in an exception. > > How can I rewrite this so that it either eats the exception or is atomic? > > Thanks, > Dan > > -- > You received this message because you are subscribed to the Google Groups > "Racket Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.

