root/usr/src/uts/common/sys/tty.h
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright (c) 1987-1998 by Sun Microsystems, Inc.
 * All rights reserved.
 */

#ifndef _SYS_TTY_H
#define _SYS_TTY_H

#include <sys/stream.h>
#include <sys/termios.h>

#ifdef  __cplusplus
extern "C" {
#endif

typedef struct tty_common {
        int     t_flags;
        queue_t *t_readq;       /* stream's read queue */
        queue_t *t_writeq;      /* stream's write queue */
        tcflag_t t_iflag;       /* copy of iflag from tty modes */
        tcflag_t t_cflag;       /* copy of cflag from tty modes */
        uchar_t t_stopc;        /* copy of c_cc[VSTOP] from tty modes */
        uchar_t t_startc;       /* copy of c_cc[VSTART] from tty modes */
        struct winsize t_size;  /* screen/page size */
        mblk_t  *t_iocpending;  /* ioctl reply pending successful allocation */
        kmutex_t t_excl;        /* keeps struct consistent */
} tty_common_t;

#define TS_XCLUDE       0x00000001      /* tty is open for exclusive use */
#define TS_SOFTCAR      0x00000002      /* force carrier on */

#ifdef  _KERNEL
extern void     ttycommon_close(tty_common_t *);
extern void     ttycommon_qfull(tty_common_t *, queue_t *);
extern size_t   ttycommon_ioctl(tty_common_t *, queue_t *, mblk_t *, int *);
#endif  /* _KERNEL */

#ifdef  __cplusplus
}
#endif

#endif /* _SYS_TTY_H */