pipe2

pipe2.rb

>> module IO::Extensions
 |   extend Fiddle::Importer  
 |   dlload Fiddle::Handle::DEFAULT  
 |   extern 'int pipe2(int pipefd[2], int flags)'  
 |   
 |   def self.pipe_2 flags:  
 |     pipefds = [0,0].pack 'i2'    
 |     if pipe2(pipefds, flags).zero?    
 |       pipefds.unpack('i2').map &IO.method(:for_fd)      
 |     else  
 |       raise SystemCallError.new Fiddle.last_error      
 |     end  
 |   end  
 | end  
=> :pipe_2
>> 
>> r, w = IO::Extensions.pipe_2 flags: IO::DIRECT
=> [#<IO:fd 8>, #<IO:fd 9>]
>>