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save_data_with_atomic_file_rename_strategy

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Ruby latest stable (v1_9_3_392) - 0 notes - Class: PStore
save_data_with_atomic_file_rename_strategy(data, file) private

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# File lib/pstore.rb, line 469
  def save_data_with_atomic_file_rename_strategy(data, file)
    temp_filename = "#{@filename}.tmp.#{Process.pid}.#{rand 1000000}"
    temp_file = File.new(temp_filename, WR_ACCESS)
    begin
      temp_file.flock(File::LOCK_EX)
      temp_file.write(data)
      temp_file.flush
      File.rename(temp_filename, @filename)
    rescue
      File.unlink(temp_file) rescue nil
      raise
    ensure
      temp_file.close
    end
  end
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