add comment for processx environment variable

avehtari · avehtari · commit 00325647ea8b · 2025-08-18T16:15:05.000+03:00
diff --git a/R/zzz.R b/R/zzz.R
@@ -95,6 +95,7 @@ cmdstanr_knitr_env <- cmdstanr_knitr_env_function_generator(new.env())
 }
 
 .onLoad <- function(...) {
+  # avoid conflict between parallel and processx
   Sys.setenv(PROCESSX_NOTIFY_OLD_SIGCHLD = 1)
   if (requireNamespace("knitr", quietly = TRUE)) {
     cmdstanr_knitr_env(knitr::knit_global())

Original file line number	Diff line number	Diff line change
`@@ -95,6 +95,7 @@ cmdstanr_knitr_env <- cmdstanr_knitr_env_function_generator(new.env())`
`95`	`95`	`}`
`96`	`96`
`97`	`97`	`.onLoad <- function(...) {`
	`98`	`+ # avoid conflict between parallel and processx`
`98`	`99`	`Sys.setenv(PROCESSX_NOTIFY_OLD_SIGCHLD = 1)`
`99`	`100`	`if (requireNamespace("knitr", quietly = TRUE)) {`
`100`	`101`	`cmdstanr_knitr_env(knitr::knit_global())`