1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright (c) 1987-1998 by Sun Microsystems, Inc.
24 * All rights reserved.
25 */
26
27#ifndef _SYS_TTY_H
28#define	_SYS_TTY_H
29
30#pragma ident	"%Z%%M%	%I%	%E% SMI"	/* SunOS 4.0 2.13 */
31
32#include <sys/stream.h>
33#include <sys/termios.h>
34
35#ifdef	__cplusplus
36extern "C" {
37#endif
38
39typedef struct tty_common {
40	int	t_flags;
41	queue_t	*t_readq;	/* stream's read queue */
42	queue_t	*t_writeq;	/* stream's write queue */
43	tcflag_t t_iflag;	/* copy of iflag from tty modes */
44	tcflag_t t_cflag;	/* copy of cflag from tty modes */
45	uchar_t	t_stopc;	/* copy of c_cc[VSTOP] from tty modes */
46	uchar_t	t_startc;	/* copy of c_cc[VSTART] from tty modes */
47	struct winsize t_size;	/* screen/page size */
48	mblk_t	*t_iocpending;	/* ioctl reply pending successful allocation */
49	kmutex_t t_excl;	/* keeps struct consistent */
50} tty_common_t;
51
52#define	TS_XCLUDE	0x00000001	/* tty is open for exclusive use */
53#define	TS_SOFTCAR	0x00000002	/* force carrier on */
54
55#ifdef	_KERNEL
56extern void	ttycommon_close(tty_common_t *);
57extern void	ttycommon_qfull(tty_common_t *, queue_t *);
58extern size_t	ttycommon_ioctl(tty_common_t *, queue_t *, mblk_t *, int *);
59#endif	/* _KERNEL */
60
61#ifdef	__cplusplus
62}
63#endif
64
65#endif /* _SYS_TTY_H */
66