xref: /titanic_51/usr/src/uts/common/sys/ptem.h (revision dd51520e127b452179a2ce4ea3bd8dee949f9afe)
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 */
68