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lib/mutex_m.rb

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#

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#   mutex_m.rb -

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#       $Release Version: 3.0$

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#       $Revision: 1.7 $

 

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#       $Release Version: 3.0$

 

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#       $Revision: 1.7 $

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#       Original from mutex.rb

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#       by Keiju ISHITSUKA(keiju@ishitsuka.com)

 

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#       by Keiju ISHITSUKA(keiju@ishitsuka.com)

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#       modified by matz

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#       patched by akira yamada

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#

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# --

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#   Usage:

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#       require "mutex_m.rb"

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#       obj = Object.new

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#       obj.extend Mutex_m

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#       ...

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#       extended object can be handled like Mutex

 

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#       require "mutex_m.rb"

 

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#       obj = Object.new

 

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#       obj.extend Mutex_m

 

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#       ...

 

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#       extended object can be handled like Mutex

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#       or

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#       class Foo

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#         include Mutex_m

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#         ...

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#       end

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#       obj = Foo.new

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#       this obj can be handled like Mutex

 

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#       class Foo

 

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#         include Mutex_m

 

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#         ...

 

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#       end

 

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#       obj = Foo.new

 

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#       this obj can be handled like Mutex

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#

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require 'thread'

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  def mu_extended

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    unless (defined? locked? and

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            defined? lock and

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            defined? unlock and

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            defined? try_lock and

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            defined? synchronize)

 

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            defined? lock and

 

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            defined? unlock and

 

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            defined? try_lock and

 

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            defined? synchronize)

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      Mutex_m.define_aliases(singleton_class)

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    end

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    mu_initialize

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    @_mutex.unlock

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  end

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  def sleep(timeout = nil)

 

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    @_mutex.sleep(timeout)

 

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  end

 

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  private

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  def mu_initialize

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