14 lines
		
	
	
		
			456 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			14 lines
		
	
	
		
			456 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
Attaching:
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 - Find an fd corresponding to the tty in the child
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 - Open the new pty in the child
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 - Copy the termios settings over
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 - dup() it over the old ones
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 - Make the new tty the controlling tty:
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  - Fork a dummy child
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  - Find all processes in the child's process group.
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   - For each one, move them to the dummy child's process group
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  - Make the child setsid()
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  - Set the terminal as the controlling tty
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 - Close the newly allocated tty
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 - Detach
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