Created
May 6, 2020 03:26
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| assign("msg", local({ | |
| i <- 0 | |
| function(url, ...) { | |
| i <<- i + 1 | |
| on.exit(i <<- i - 1) | |
| if (i > 1) { | |
| message("reentrancy detected!") | |
| return("reentrancy detected!") | |
| } | |
| cat("") # Calls R_ProcessEvents() | |
| list("success", "text/plain") | |
| } | |
| }), tools:::.httpd.handlers.env) |
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