usr/src/uts/common/sys/tty.h

   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
  36 extern "C" {
  37 #endif
  38
  39 typedef 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
  56 extern void     ttycommon_close(tty_common_t *);
  57 extern void     ttycommon_qfull(tty_common_t *, queue_t *);
  58 extern 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 */