stack_level_too_deep.rb

require 'rubygems'
require 'ffi'

module Hello
  extend FFI::Library

  attach_function 'puts', [ :string ], :int
end

Hello.puts("hello a")
Hello.send(:puts, "hello b")

# jmettraux:~/tmp/ffi$ ruby stack_level_too_deep.rb
# hello a
# hello b

# jmettraux:~/tmp/ffi$ ruby19 stack_level_too_deep.rb
# hello a
# hello b

# jmettraux:~/tmp/ffi$ jruby-1.1.6 stack_level_too_deep.rb
# hello a
# Error: Your application used more stack memory than the safety cap of 1024k.
# Specify -J-Xss####k to increase it (#### = cap size in KB).
# Specify -w for full StackOverflowError stack trace