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blob 8738cae11cc23ddd9e81befda63d6af91b1c283d 706 bytes (raw)
name: lib/rainbows/sync_close.rb 	 # note: path name is non-authoritative(*)

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# -*- encoding: binary -*-
# :enddoc:
require 'thread'
class Rainbows::SyncClose
  def initialize(body)
    @body = body
    @mutex = Mutex.new
    @cv = ConditionVariable.new
    @mutex.synchronize do
      yield self
      @cv.wait(@mutex)
    end
  end

  def respond_to?(m)
    @body.respond_to?(m)
  end

  def readpartial(*args)
    @body.readpartial(*args)
  end

  def read(*args)
    @body.read(*args)
  end

  def to_path
    @body.to_path
  end

  def each
    @body.each { |x| yield x }
  end

  def to_io
    @body.to_io
  end

  # called by the writer thread to wake up the original thread (in #initialize)
  def close
    @body.close
  ensure
    @mutex.synchronize { @cv.signal }
  end
end

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