xref: /minix/sys/sys/termios.h (revision 84d9c625)
1 /*	$NetBSD: termios.h,v 1.32 2013/07/11 16:46:06 christos Exp $	*/
2 
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  */
33 
34 #ifndef _SYS_TERMIOS_H_
35 #define _SYS_TERMIOS_H_
36 
37 #include <sys/ansi.h>
38 #include <sys/featuretest.h>
39 
40 /*
41  * Special Control Characters
42  *
43  * Index into c_cc[] character array.
44  *
45  *	Name	     Subscript	Enabled by
46  */
47 #define	VEOF		0	/* ICANON */
48 #define	VEOL		1	/* ICANON */
49 #if defined(_NETBSD_SOURCE)
50 #define	VEOL2		2	/* ICANON */
51 #endif
52 #define	VERASE		3	/* ICANON */
53 #if defined(_NETBSD_SOURCE)
54 #define VWERASE 	4	/* ICANON */
55 #endif
56 #define VKILL		5	/* ICANON */
57 #if defined(_NETBSD_SOURCE)
58 #define	VREPRINT 	6	/* ICANON */
59 #endif
60 /*			7	   spare 1 */
61 #define VINTR		8	/* ISIG */
62 #define VQUIT		9	/* ISIG */
63 #define VSUSP		10	/* ISIG */
64 #if defined(_NETBSD_SOURCE)
65 #define VDSUSP		11	/* ISIG */
66 #endif
67 #define VSTART		12	/* IXON, IXOFF */
68 #define VSTOP		13	/* IXON, IXOFF */
69 #if defined(_NETBSD_SOURCE)
70 #define	VLNEXT		14	/* IEXTEN */
71 #define	VDISCARD	15	/* IEXTEN */
72 #endif
73 #define VMIN		16	/* !ICANON */
74 #define VTIME		17	/* !ICANON */
75 #if defined(_NETBSD_SOURCE)
76 #define VSTATUS		18	/* ICANON */
77 /*			19	   spare 2 */
78 #endif
79 #define	NCCS		20
80 
81 #define _POSIX_VDISABLE	__CAST(unsigned char, '\377')
82 
83 #if defined(_NETBSD_SOURCE)
84 #define CCEQ(val, c)	(c == val ? val != _POSIX_VDISABLE : 0)
85 #endif
86 
87 /*
88  * Input flags - software input processing
89  */
90 #define	IGNBRK		0x00000001U	/* ignore BREAK condition */
91 #define	BRKINT		0x00000002U	/* map BREAK to SIGINT */
92 #define	IGNPAR		0x00000004U	/* ignore (discard) parity errors */
93 #define	PARMRK		0x00000008U	/* mark parity and framing errors */
94 #define	INPCK		0x00000010U	/* enable checking of parity errors */
95 #define	ISTRIP		0x00000020U	/* strip 8th bit off chars */
96 #define	INLCR		0x00000040U	/* map NL into CR */
97 #define	IGNCR		0x00000080U	/* ignore CR */
98 #define	ICRNL		0x00000100U	/* map CR to NL (ala CRMOD) */
99 #define	IXON		0x00000200U	/* enable output flow control */
100 #define	IXOFF		0x00000400U	/* enable input flow control */
101 #if defined(_NETBSD_SOURCE)
102 #define	IXANY		0x00000800U	/* any char will restart after stop */
103 #endif
104 #if defined(_NETBSD_SOURCE)
105 #define IMAXBEL		0x00002000U	/* ring bell on input queue full */
106 #endif
107 
108 /*
109  * Output flags - software output processing
110  */
111 #define	OPOST		0x00000001U	/* enable following output processing */
112 #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
113 #define ONLCR		0x00000002U	/* map NL to CR-NL (ala CRMOD) */
114 #endif
115 #if defined(_NETBSD_SOURCE)
116 #define OXTABS		0x00000004U	/* expand tabs to spaces */
117 #define ONOEOT		0x00000008U	/* discard EOT's (^D) on output */
118 #endif
119 #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
120 #define OCRNL		0x00000010U	/* map CR to NL */
121 #define ONOCR		0x00000020U	/* discard CR's when on column 0 */
122 #define ONLRET		0x00000040U	/* move to column 0 on CR */
123 #endif  /* defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) */
124 
125 /*
126  * Control flags - hardware control of terminal
127  */
128 #if defined(_NETBSD_SOURCE)
129 #define	CIGNORE		0x00000001U	/* ignore control flags */
130 #endif
131 #define CSIZE		0x00000300U	/* character size mask */
132 #define     CS5		    0x00000000U	    /* 5 bits (pseudo) */
133 #define     CS6		    0x00000100U	    /* 6 bits */
134 #define     CS7		    0x00000200U	    /* 7 bits */
135 #define     CS8		    0x00000300U	    /* 8 bits */
136 #define CSTOPB		0x00000400U	/* send 2 stop bits */
137 #define CREAD		0x00000800U	/* enable receiver */
138 #define PARENB		0x00001000U	/* parity enable */
139 #define PARODD		0x00002000U	/* odd parity, else even */
140 #define HUPCL		0x00004000U	/* hang up on last close */
141 #define CLOCAL		0x00008000U	/* ignore modem status lines */
142 #if defined(_NETBSD_SOURCE)
143 #define	CRTSCTS		0x00010000U	/* RTS/CTS full-duplex flow control */
144 #define	CRTS_IFLOW	CRTSCTS		/* XXX compat */
145 #define	CCTS_OFLOW	CRTSCTS		/* XXX compat */
146 #define	CDTRCTS		0x00020000U	/* DTR/CTS full-duplex flow control */
147 #define	MDMBUF		0x00100000U	/* DTR/DCD hardware flow control */
148 #define	CHWFLOW		(MDMBUF|CRTSCTS|CDTRCTS) /* all types of hw flow control */
149 #endif
150 
151 
152 /*
153  * "Local" flags - dumping ground for other state
154  *
155  * Warning: some flags in this structure begin with
156  * the letter "I" and look like they belong in the
157  * input flag.
158  */
159 
160 #if defined(_NETBSD_SOURCE)
161 #define	ECHOKE		0x00000001U	/* visual erase for line kill */
162 #endif
163 #define	ECHOE		0x00000002U	/* visually erase chars */
164 #define	ECHOK		0x00000004U	/* echo NL after line kill */
165 #define ECHO		0x00000008U	/* enable echoing */
166 #define	ECHONL		0x00000010U	/* echo NL even if ECHO is off */
167 #if defined(_NETBSD_SOURCE)
168 #define	ECHOPRT		0x00000020U	/* visual erase mode for hardcopy */
169 #define ECHOCTL  	0x00000040U	/* echo control chars as ^(Char) */
170 #endif  /* defined(_NETBSD_SOURCE) */
171 #define	ISIG		0x00000080U	/* enable signals INT, QUIT, [D]SUSP */
172 #define	ICANON		0x00000100U	/* canonicalize input lines */
173 #if defined(_NETBSD_SOURCE)
174 #define ALTWERASE	0x00000200U	/* use alternate WERASE algorithm */
175 #endif /* defined(_NETBSD_SOURCE) */
176 #define	IEXTEN		0x00000400U	/* enable DISCARD and LNEXT */
177 #if defined(_NETBSD_SOURCE)
178 #define EXTPROC         0x00000800U	/* external processing */
179 #endif /* defined(_NETBSD_SOURCE) */
180 #define TOSTOP		0x00400000U	/* stop background jobs on output */
181 #if defined(_NETBSD_SOURCE)
182 #define FLUSHO		0x00800000U	/* output being flushed (state) */
183 #define	NOKERNINFO	0x02000000U	/* no kernel output from VSTATUS */
184 #define PENDIN		0x20000000U	/* re-echo input buffer at next read */
185 #endif /* defined(_NETBSD_SOURCE) */
186 #define	NOFLSH		0x80000000U	/* don't flush output on signal */
187 
188 typedef unsigned int	tcflag_t;
189 typedef unsigned char	cc_t;
190 typedef unsigned int	speed_t;
191 
192 struct termios {
193 	tcflag_t	c_iflag;	/* input flags */
194 	tcflag_t	c_oflag;	/* output flags */
195 	tcflag_t	c_cflag;	/* control flags */
196 	tcflag_t	c_lflag;	/* local flags */
197 	cc_t		c_cc[NCCS];	/* control chars */
198 	int		c_ispeed;	/* input speed */
199 	int		c_ospeed;	/* output speed */
200 };
201 
202 /*
203  * Commands passed to tcsetattr() for setting the termios structure.
204  */
205 #define	TCSANOW		0		/* make change immediate */
206 #define	TCSADRAIN	1		/* drain output, then change */
207 #define	TCSAFLUSH	2		/* drain output, flush input */
208 #if defined(_NETBSD_SOURCE)
209 #define TCSASOFT	0x10		/* flag - don't alter h.w. state */
210 #endif
211 
212 /*
213  * Standard speeds
214  */
215 #define B0	0U
216 #define B50	50U
217 #define B75	75U
218 #define B110	110U
219 #define B134	134U
220 #define B150	150U
221 #define B200	200U
222 #define B300	300U
223 #define B600	600U
224 #define B1200	1200U
225 #define	B1800	1800U
226 #define B2400	2400U
227 #define B4800	4800U
228 #define B9600	9600U
229 #define B19200	19200U
230 #define B38400	38400U
231 #if defined(_NETBSD_SOURCE)
232 #define B7200	7200U
233 #define B14400	14400U
234 #define B28800	28800U
235 #define B57600	57600U
236 #define B76800	76800U
237 #define B115200	115200U
238 #define B230400	230400U
239 #define B460800	460800U
240 #define B921600	921600U
241 #define EXTA	19200U
242 #define EXTB	38400U
243 #endif  /* defined(_NETBSD_SOURCE) */
244 
245 #ifndef _KERNEL
246 
247 #define	TCIFLUSH	1
248 #define	TCOFLUSH	2
249 #define TCIOFLUSH	3
250 #define	TCOOFF		1
251 #define	TCOON		2
252 #define TCIOFF		3
253 #define TCION		4
254 
255 #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
256 #ifndef	pid_t
257 typedef	__pid_t		pid_t;
258 #define	pid_t		__pid_t
259 #endif
260 #endif /* _XOPEN_SOURCE || _NETBSD_SOURCE */
261 #include <sys/cdefs.h>
262 
263 __BEGIN_DECLS
264 speed_t	cfgetispeed(const struct termios *);
265 speed_t	cfgetospeed(const struct termios *);
266 int	cfsetispeed(struct termios *, speed_t);
267 int	cfsetospeed(struct termios *, speed_t);
268 int	tcgetattr(int, struct termios *);
269 int	tcsetattr(int, int, const struct termios *);
270 int	tcdrain(int);
271 int	tcflow(int, int);
272 int	tcflush(int, int);
273 int	tcsendbreak(int, int);
274 #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
275 pid_t	tcgetsid(int);
276 #endif /* defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) */
277 
278 
279 #if defined(_NETBSD_SOURCE)
280 void	cfmakeraw(struct termios *);
281 int	cfsetspeed(struct termios *, speed_t);
282 #endif /* defined(_NETBSD_SOURCE) */
283 __END_DECLS
284 
285 #endif /* !_KERNEL */
286 
287 #if defined(_NETBSD_SOURCE)
288 
289 /*
290  * Include tty ioctl's that aren't just for backwards compatibility
291  * with the old tty driver.  These ioctl definitions were previously
292  * in <sys/ioctl.h>.
293  */
294 #include <sys/ttycom.h>
295 #endif
296 
297 /*
298  * END OF PROTECTED INCLUDE.
299  */
300 #endif /* !_SYS_TERMIOS_H_ */
301 
302 #if defined(_NETBSD_SOURCE)
303 #include <sys/ttydefaults.h>
304 #endif
305