ptem.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* 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) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#ifndef _SYS_PTEM_H
#define _SYS_PTEM_H
#pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 11.7 */
#include <sys/termios.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* The ptem data structure used to define the global data
* for the psuedo terminal emulation streams module
*/
struct ptem {
tcflag_t cflags; /* copy of c_cflags */
mblk_t *dack_ptr; /* preallocated mblk used to ACK disconnect */
queue_t *q_ptr; /* ptem read queue */
struct winsize wsz; /* struct to hold the windowing info. */
unsigned short state; /* state of ptem entry: see below */
};
/*
* state flags
*/
#define REMOTEMODE 0x1 /* Pty in remote mode */
#define OFLOW_CTL 0x2 /* Outflow control on */
#define IS_PTSTTY 0x4 /* is x/open terminal */
/*
* Constants used to distinguish between a common function invoked
* from the read or write side put procedures
*/
#define RDSIDE 1
#define WRSIDE 2
#ifdef __cplusplus
}
#endif
#endif /* _SYS_PTEM_H */