method
synchronize
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synchronize(*methods)
public
Synchronize access around a method, delegating synchronization to a particular mutex. A mutex (either a Mutex, or any object that responds to #synchronize and yields to a block) must be provided as a final :with option. The :with option should be a symbol or string, and can represent a method, constant, or instance or class variable. Example:
class SharedCache @@lock = Mutex.new def expire ... end synchronize :expire, :with => :@@lock end