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Module: Concurrent::Utility::NativeExtensionLoader

Relationships & Source Files
Extension / Inclusion / Inheritance Descendants
Extended In:
::Concurrent
Defined in: lib/concurrent-ruby/concurrent/utility/native_extension_loader.rb

Instance Attribute Summary

Instance Method Summary

Instance Attribute Details

#allow_c_extensions? ⇒ Boolean (readonly)

[ GitHub ] 

  


# File 'lib/concurrent-ruby/concurrent/utility/native_extension_loader.rb', line 11



def allow_c_extensions?
  Concurrent.on_cruby?
end


  








  

    #c_extensions_loaded?  ⇒ Boolean  (readonly)
  

  [ GitHub ]


  

  


# File 'lib/concurrent-ruby/concurrent/utility/native_extension_loader.rb', line 15



def c_extensions_loaded?
  defined?(@c_extensions_loaded) && @c_extensions_loaded
end


  








  

    #java_extensions_loaded?  ⇒ Boolean  (readonly, private)
  

  [ GitHub ]


  

  


# File 'lib/concurrent-ruby/concurrent/utility/native_extension_loader.rb', line 50



def java_extensions_loaded?
  defined?(@java_extensions_loaded) && @java_extensions_loaded
end


  







Instance Method Details



  

    #load_error_path(error)   (private)
  

  [ GitHub ]


  

  


# File 'lib/concurrent-ruby/concurrent/utility/native_extension_loader.rb', line 38



def load_error_path(error)
  if error.respond_to? :path
    error.path
  else
    error.message.split(' -- ').last
  end
end


  








  

    #load_native_extensions  
  

  [ GitHub ]


  

  


# File 'lib/concurrent-ruby/concurrent/utility/native_extension_loader.rb', line 19



def load_native_extensions
  if Concurrent.on_cruby? && !c_extensions_loaded?
    ['concurrent/concurrent_ruby_ext',
     "concurrent/#{RUBY_VERSION[0..2]}/concurrent_ruby_ext"
    ].each { |p| try_load_c_extension p }
  end

  if Concurrent.on_jruby? && !java_extensions_loaded?
    begin
      require 'concurrent/concurrent_ruby.jar'
      set_java_extensions_loaded
    rescue LoadError => e
      raise e, "Java extensions are required for JRuby.\n" + e.message, e.backtrace
    end
  end
end


  








  

    #set_c_extensions_loaded   (private)
  

  [ GitHub ]


  

  


# File 'lib/concurrent-ruby/concurrent/utility/native_extension_loader.rb', line 46



def set_c_extensions_loaded
  @c_extensions_loaded = true
end


  








  

    #set_java_extensions_loaded   (private)
  

  [ GitHub ]


  

  


# File 'lib/concurrent-ruby/concurrent/utility/native_extension_loader.rb', line 54



def set_java_extensions_loaded
  @java_extensions_loaded = true
end


  








  

    #try_load_c_extension(path)   (private)
  

  [ GitHub ]


  

  


# File 'lib/concurrent-ruby/concurrent/utility/native_extension_loader.rb', line 58



def try_load_c_extension(path)
  require path
  set_c_extensions_loaded
rescue LoadError => e
  if load_error_path(e) == path
    # move on with pure-Ruby implementations
    # TODO (pitr-ch 12-Jul-2018): warning on verbose?
  else
    raise e
  end
end