method
    
    ioctl
 
  ioctl(p1, p2 = v2)
  public
  Provides a mechanism for issuing low-level commands to control or query I/O devices. Arguments and results are platform dependent. If arg is a number, its value is passed directly. If it is a string, it is interpreted as a binary sequence of bytes. On Unix platforms, see ioctl(2) for details. Not implemented on all platforms.

 RSpec
RSpec Ruby on Rails
Ruby on Rails Ruby
Ruby 
   
   
   
   
    
 
   = protected
 = protected
  