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	 a17cb167ea
			
		
	
	
		a17cb167ea
		
	
	
	
	
		
			
			consistency. Approved by ko1. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37192 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
		
			
				
	
	
		
			20 lines
		
	
	
	
		
			251 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			20 lines
		
	
	
	
		
			251 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| # 1000 threads, one mutex
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| 
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| require 'thread'
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| m = Mutex.new
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| r = 0
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| max = 2000
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| (1..max).map{
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|   Thread.new{
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|     i = 0
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|     while i<max
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|       i += 1
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|       m.synchronize{
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|         r += 1
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|       }
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|     end
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|   }
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| }.each{|e|
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|   e.join
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| }
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| raise r.to_s if r != max * max
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