1/*-
2 * Copyright (c) 1982, 1986, 1991, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
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26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * @(#)tty_tty.c 8.2 (Berkeley) 9/23/93
34 * $Id: tty_tty.c,v 1.24 1998/06/07 17:11:44 dfr Exp $
35 */
36
37/*
38 * Indirect driver for controlling tty.
39 */
40
41#include "opt_devfs.h"
42
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53#endif /*DEVFS*/
54
55static d_open_t cttyopen;
56static d_read_t cttyread;
57static d_write_t cttywrite;
58static d_ioctl_t cttyioctl;
59static d_poll_t cttypoll;
60
61#define CDEV_MAJOR 1
62/* Don't make this static, since fdesc_vnops uses it. */
63struct cdevsw ctty_cdevsw = {
64 cttyopen, nullclose, cttyread, cttywrite,
65 cttyioctl, nullstop, nullreset, nodevtotty,
66 cttypoll, nommap, NULL, "ctty",
67 NULL, -1, nodump, nopsize,
68 D_TTY,
69};
70
71#define cttyvp(p) ((p)->p_flag & P_CONTROLT ? (p)->p_session->s_ttyvp : NULL)
72
73/*ARGSUSED*/
74static int
75cttyopen(dev, flag, mode, p)
76 dev_t dev;
77 int flag, mode;
78 struct proc *p;
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2 * Copyright (c) 1982, 1986, 1991, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
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26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * @(#)tty_tty.c 8.2 (Berkeley) 9/23/93
34 * $Id: tty_tty.c,v 1.24 1998/06/07 17:11:44 dfr Exp $
35 */
36
37/*
38 * Indirect driver for controlling tty.
39 */
40
41#include "opt_devfs.h"
42
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53#endif /*DEVFS*/
54
55static d_open_t cttyopen;
56static d_read_t cttyread;
57static d_write_t cttywrite;
58static d_ioctl_t cttyioctl;
59static d_poll_t cttypoll;
60
61#define CDEV_MAJOR 1
62/* Don't make this static, since fdesc_vnops uses it. */
63struct cdevsw ctty_cdevsw = {
64 cttyopen, nullclose, cttyread, cttywrite,
65 cttyioctl, nullstop, nullreset, nodevtotty,
66 cttypoll, nommap, NULL, "ctty",
67 NULL, -1, nodump, nopsize,
68 D_TTY,
69};
70
71#define cttyvp(p) ((p)->p_flag & P_CONTROLT ? (p)->p_session->s_ttyvp : NULL)
72
73/*ARGSUSED*/
74static int
75cttyopen(dev, flag, mode, p)
76 dev_t dev;
77 int flag, mode;
78 struct proc *p;
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