Throw a warning from forked evaluators that behavior is inconsistent …

…on Mac/Windows (#644)
rstudio · Jan 24, 2022 · b3df3db · b3df3db
1 parent ad92106
commit b3df3db
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/R/evaluators.R b/R/evaluators.R
@@ -38,6 +38,11 @@ setup_forked_evaluator_factory <- function(max_forked_procs){
   running_exercises <- 0
 
   function(expr, timelimit, ...) {
+    if (is_macos()) {
+      rlang::warn("Forked evaluators may not work as expected on MacOS")
+    } else if (is_windows()) {
+      rlang::warn("Forked evaluators may not work as expected on Windows")
+    }
 
     # closure object to track job, start time and result
     self <- list()