Re: [TTY] exclusive mode question

[moreau francis]

--- Frederik Deweerdt <dev.deweerdt@xxxxxxxxxxx> a écrit :

> I've just greped and I found :
> 
> if (!retval && test_bit(TTY_EXCLUSIVE, &tty->flags) &&
> !capable(CAP_SYS_ADMIN))
> 	retval = -EBUSY;
> in drivers/char/tty_io.c:tty_open
> 
> Which sources are you looking at?
> 

same source code but if another process has previously open the tty, how does
this source code detect it ?

             Francis


	
	
		
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