--- /dev/null
+module ActiveSupport
+ module Cache
+ # Like MemoryStore, but thread-safe.
+ class SynchronizedMemoryStore < MemoryStore
+ def initialize
+ super
+ @guard = Monitor.new
+ end
+
+ def fetch(key, options = {})
+ @guard.synchronize { super }
+ end
+
+ def read(name, options = nil)
+ @guard.synchronize { super }
+ end
+
+ def write(name, value, options = nil)
+ @guard.synchronize { super }
+ end
+
+ def delete(name, options = nil)
+ @guard.synchronize { super }
+ end
+
+ def delete_matched(matcher, options = nil)
+ @guard.synchronize { super }
+ end
+
+ def exist?(name,options = nil)
+ @guard.synchronize { super }
+ end
+
+ def increment(key, amount = 1)
+ @guard.synchronize { super }
+ end
+
+ def decrement(key, amount = 1)
+ @guard.synchronize { super }
+ end
+
+ def clear
+ @guard.synchronize { super }
+ end
+ end
+ end
+end