xref: /freebsd/sys/sys/_termios.h (revision b00ab754)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 1988, 1989, 1993, 1994
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  *
31  *	@(#)termios.h	8.3 (Berkeley) 3/28/94
32  * $FreeBSD$
33  */
34 
35 #ifndef _SYS__TERMIOS_H_
36 #define	_SYS__TERMIOS_H_
37 
38 /*
39  * Special Control Characters
40  *
41  * Index into c_cc[] character array.
42  *
43  *	Name	     Subscript	Enabled by
44  */
45 #define	VEOF		0	/* ICANON */
46 #define	VEOL		1	/* ICANON */
47 #if __BSD_VISIBLE
48 #define	VEOL2		2	/* ICANON together with IEXTEN */
49 #endif
50 #define	VERASE		3	/* ICANON */
51 #if __BSD_VISIBLE
52 #define	VWERASE 	4	/* ICANON together with IEXTEN */
53 #endif
54 #define	VKILL		5	/* ICANON */
55 #if __BSD_VISIBLE
56 #define	VREPRINT 	6	/* ICANON together with IEXTEN */
57 #define	VERASE2 	7	/* ICANON */
58 #endif
59 /*			7	   ex-spare 1 */
60 #define	VINTR		8	/* ISIG */
61 #define	VQUIT		9	/* ISIG */
62 #define	VSUSP		10	/* ISIG */
63 #if __BSD_VISIBLE
64 #define	VDSUSP		11	/* ISIG together with IEXTEN */
65 #endif
66 #define	VSTART		12	/* IXON, IXOFF */
67 #define	VSTOP		13	/* IXON, IXOFF */
68 #if __BSD_VISIBLE
69 #define	VLNEXT		14	/* IEXTEN */
70 #define	VDISCARD	15	/* IEXTEN */
71 #endif
72 #define	VMIN		16	/* !ICANON */
73 #define	VTIME		17	/* !ICANON */
74 #if __BSD_VISIBLE
75 #define	VSTATUS		18	/* ICANON together with IEXTEN */
76 /*			19	   spare 2 */
77 #endif
78 #define	NCCS		20
79 
80 #define	_POSIX_VDISABLE	0xff
81 
82 /*
83  * Input flags - software input processing
84  */
85 #define	IGNBRK		0x00000001	/* ignore BREAK condition */
86 #define	BRKINT		0x00000002	/* map BREAK to SIGINTR */
87 #define	IGNPAR		0x00000004	/* ignore (discard) parity errors */
88 #define	PARMRK		0x00000008	/* mark parity and framing errors */
89 #define	INPCK		0x00000010	/* enable checking of parity errors */
90 #define	ISTRIP		0x00000020	/* strip 8th bit off chars */
91 #define	INLCR		0x00000040	/* map NL into CR */
92 #define	IGNCR		0x00000080	/* ignore CR */
93 #define	ICRNL		0x00000100	/* map CR to NL (ala CRMOD) */
94 #define	IXON		0x00000200	/* enable output flow control */
95 #define	IXOFF		0x00000400	/* enable input flow control */
96 #if __XSI_VISIBLE || __POSIX_VISIBLE >= 200809
97 #define	IXANY		0x00000800	/* any char will restart after stop */
98 #endif
99 #if __BSD_VISIBLE
100 #define	IMAXBEL		0x00002000	/* ring bell on input queue full */
101 #endif
102 
103 /*
104  * Output flags - software output processing
105  */
106 #define	OPOST		0x00000001	/* enable following output processing */
107 #if __XSI_VISIBLE
108 #define	ONLCR		0x00000002	/* map NL to CR-NL (ala CRMOD) */
109 #endif
110 #if __BSD_VISIBLE
111 #define	TABDLY		0x00000004	/* tab delay mask */
112 #define	    TAB0	    0x00000000	    /* no tab delay and expansion */
113 #define	    TAB3	    0x00000004	    /* expand tabs to spaces */
114 #define	ONOEOT		0x00000008	/* discard EOT's (^D) on output) */
115 #endif
116 #if __XSI_VISIBLE
117 #define	OCRNL		0x00000010	/* map CR to NL on output */
118 #define	ONOCR		0x00000020	/* no CR output at column 0 */
119 #define	ONLRET		0x00000040	/* NL performs CR function */
120 #endif
121 
122 /*
123  * Control flags - hardware control of terminal
124  */
125 #if __BSD_VISIBLE
126 #define	CIGNORE		0x00000001	/* ignore control flags */
127 #endif
128 #define	CSIZE		0x00000300	/* character size mask */
129 #define	    CS5		    0x00000000	    /* 5 bits (pseudo) */
130 #define	    CS6		    0x00000100	    /* 6 bits */
131 #define	    CS7		    0x00000200	    /* 7 bits */
132 #define	    CS8		    0x00000300	    /* 8 bits */
133 #define	CSTOPB		0x00000400	/* send 2 stop bits */
134 #define	CREAD		0x00000800	/* enable receiver */
135 #define	PARENB		0x00001000	/* parity enable */
136 #define	PARODD		0x00002000	/* odd parity, else even */
137 #define	HUPCL		0x00004000	/* hang up on last close */
138 #define	CLOCAL		0x00008000	/* ignore modem status lines */
139 #if __BSD_VISIBLE
140 #define	CCTS_OFLOW	0x00010000	/* CTS flow control of output */
141 #define	CRTSCTS		(CCTS_OFLOW | CRTS_IFLOW)
142 #define	CRTS_IFLOW	0x00020000	/* RTS flow control of input */
143 #define	CDTR_IFLOW	0x00040000	/* DTR flow control of input */
144 #define	CDSR_OFLOW	0x00080000	/* DSR flow control of output */
145 #define	CCAR_OFLOW	0x00100000	/* DCD flow control of output */
146 #endif
147 
148 
149 /*
150  * "Local" flags - dumping ground for other state
151  *
152  * Warning: some flags in this structure begin with
153  * the letter "I" and look like they belong in the
154  * input flag.
155  */
156 
157 #if __BSD_VISIBLE
158 #define	ECHOKE		0x00000001	/* visual erase for line kill */
159 #endif
160 #define	ECHOE		0x00000002	/* visually erase chars */
161 #define	ECHOK		0x00000004	/* echo NL after line kill */
162 #define	ECHO		0x00000008	/* enable echoing */
163 #define	ECHONL		0x00000010	/* echo NL even if ECHO is off */
164 #if __BSD_VISIBLE
165 #define	ECHOPRT		0x00000020	/* visual erase mode for hardcopy */
166 #define	ECHOCTL  	0x00000040	/* echo control chars as ^(Char) */
167 #endif
168 #define	ISIG		0x00000080	/* enable signals INTR, QUIT, [D]SUSP */
169 #define	ICANON		0x00000100	/* canonicalize input lines */
170 #if __BSD_VISIBLE
171 #define	ALTWERASE	0x00000200	/* use alternate WERASE algorithm */
172 #endif
173 #define	IEXTEN		0x00000400	/* enable DISCARD and LNEXT */
174 #define	EXTPROC         0x00000800      /* external processing */
175 #define	TOSTOP		0x00400000	/* stop background jobs from output */
176 #if __BSD_VISIBLE
177 #define	FLUSHO		0x00800000	/* output being flushed (state) */
178 #define	NOKERNINFO	0x02000000	/* no kernel output from VSTATUS */
179 #define	PENDIN		0x20000000	/* XXX retype pending input (state) */
180 #endif
181 #define	NOFLSH		0x80000000	/* don't flush after interrupt */
182 
183 /*
184  * Standard speeds
185  */
186 #define	B0	0
187 #define	B50	50
188 #define	B75	75
189 #define	B110	110
190 #define	B134	134
191 #define	B150	150
192 #define	B200	200
193 #define	B300	300
194 #define	B600	600
195 #define	B1200	1200
196 #define	B1800	1800
197 #define	B2400	2400
198 #define	B4800	4800
199 #define	B9600	9600
200 #define	B19200	19200
201 #define	B38400	38400
202 #if __BSD_VISIBLE
203 #define	B7200	7200
204 #define	B14400	14400
205 #define	B28800	28800
206 #define	B57600	57600
207 #define	B76800	76800
208 #define	B115200	115200
209 #define	B230400	230400
210 #define	B460800	460800
211 #define	B921600	921600
212 #define	EXTA	19200
213 #define	EXTB	38400
214 #endif
215 
216 typedef unsigned int	tcflag_t;
217 typedef unsigned char	cc_t;
218 typedef unsigned int	speed_t;
219 
220 struct termios {
221 	tcflag_t	c_iflag;	/* input flags */
222 	tcflag_t	c_oflag;	/* output flags */
223 	tcflag_t	c_cflag;	/* control flags */
224 	tcflag_t	c_lflag;	/* local flags */
225 	cc_t		c_cc[NCCS];	/* control chars */
226 	speed_t		c_ispeed;	/* input speed */
227 	speed_t		c_ospeed;	/* output speed */
228 };
229 
230 #endif /* !_SYS__TERMIOS_H_ */
231