Unix Programming - TIOCSCTTY (Re: Does this mean I suck?)

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TIOCSCTTY (Re: Does this mean I suck?)

Valentin Nechayev

2006-08-25, 7:28 pm

Wed, Aug 16, 2006 at 08:04:56, cdalten (K-mart Cashier) wrote about "Does this mean I suck?":

KmC> fd = open("/dev/tty",O_RDWR, 0);

KmC> if(setsid() < 0)
KmC> fprintf(stderr, "setsid error \n");

KmC> if( (ioctl(fd, TIOCSCTTY, NULL)) < 0)
KmC> fprintf(stderr, "error \n");

The terminal you try to attach already has alive session. You can't
attach terminal while current session is alive. Revoke the terminal
first, then try.

-netch-