include/sys/ptem.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 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  23 /*        All Rights Reserved   */
  24
  25
  26 #ifndef _SYS_PTEM_H
  27 #define _SYS_PTEM_H
  28
  29 #pragma ident   "%Z%%M% %I%     %E% SMI"        /* SVr4.0 11.7  */
  30
  31 #include <sys/termios.h>
  32
  33 #ifdef  __cplusplus
  34 extern "C" {
  35 #endif
  36
  37 /*
  38  * The ptem data structure used to define the global data
  39  * for the psuedo terminal emulation streams module
  40  */
  41 struct ptem {
  42         tcflag_t cflags;        /* copy of c_cflags */
  43         mblk_t *dack_ptr;       /* preallocated mblk used to ACK disconnect */
  44         queue_t *q_ptr;         /* ptem read queue */
  45         struct winsize wsz;     /* struct to hold the windowing info. */
  46         unsigned short state;   /* state of ptem entry: see below */
  47 };
  48
  49 /*
  50  * state flags
  51  */
  52 #define REMOTEMODE      0x1     /* Pty in remote mode */
  53 #define OFLOW_CTL       0x2     /* Outflow control on */
  54 #define IS_PTSTTY       0x4     /* is x/open terminal */
  55
  56 /*
  57  * Constants used to distinguish between a common function invoked
  58  * from the read or write side put procedures
  59  */
  60 #define RDSIDE  1
  61 #define WRSIDE  2
  62
  63 #ifdef  __cplusplus
  64 }
  65 #endif
  66
  67 #endif  /* _SYS_PTEM_H */