/*- * Copyright (c) 1990 The Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms are permitted provided * that: (1) source distributions retain this entire copyright notice and * comment, and (2) distributions including binaries display the following * acknowledgement: ``This product includes software developed by the * University of California, Berkeley and its contributors'' in the * documentation or other materials provided with the distribution and in * all advertising materials mentioning features or use of this software. * Neither the name of the University nor the names of its contributors may * be used to endorse or promote products derived from this software without * specific prior written permission. * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ #if defined(LIBC_SCCS) && !defined(lint) static char sccsid[] = "@(#)login_tty.c 1.2 (Berkeley) 6/21/90"; #endif /* LIBC_SCCS and not lint */ #include <sys/param.h> #include <sys/ioctl.h> login_tty(fd) int fd; { (void) setsid(); if (ioctl(fd, TIOCSCTTY, (char *)NULL) == -1) return (-1); (void) dup2(fd, 0); (void) dup2(fd, 1); (void) dup2(fd, 2); if (fd > 2) (void) close(fd); return (0); }