This is easy using monitors. : Synchronization « Threads « Ruby

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Ruby » Threads » Synchronization

This is easy using monitors.





require 'monitor' 



class Counter < Monitor 

    attr_reader :count 



    def initialize 

        @count = 0 

        super 

    end 



    def tick 

        synchronize do 

        @count += 1 

    end 

    end 

end 

c = Counter.new 

t1 = Thread.new { 10000.times { c.tick } } 

t2 = Thread.new { 10000.times { c.tick } } 





t1.join; t2.join 

c.count # 20000

Related examples in the same category

1.	Multithreads without synchronization
2.	Controlling the Thread Scheduler
3.	Use monitor to lock
4.	make specific objects into monitors.
5.	Synchronizing Access to an Object

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