Use the mutex AtomicReference on Truffle.

chrisseaton · chrisseaton · commit f86c2c6d8fa2 · 2016-01-19T21:08:30.000Z
diff --git a/lib/concurrent/atomic_reference/jruby+truffle.rb b/lib/concurrent/atomic_reference/jruby+truffle.rb
@@ -1 +1 @@
-require 'concurrent/atomic_reference/rbx'
+require 'concurrent/atomic_reference/mutex_atomic'

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-require 'concurrent/atomic_reference/rbx'`
	`1`	`+require 'concurrent/atomic_reference/mutex_atomic'`