about summary refs log tree commit diff
path: root/bits/termios.h
blob: c061e5296762f1e351009c72fade72d8715baed4 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
/* termios type and macro definitions.  4.4 BSD/generic GNU version.
   Copyright (C) 1993-2019 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

#ifndef _TERMIOS_H
# error "Never include <bits/termios.h> directly; use <termios.h> instead."
#endif

/* These macros are also defined in some <bits/ioctls.h> files (with
   numerically identical values), but this serves to shut up cpp's
   complaining. */
#if defined __USE_MISC || defined __USE_XOPEN

# ifdef NL0
#  undef NL0
# endif
# ifdef NL1
#  undef NL1
# endif
# ifdef TAB0
#  undef TAB0
# endif
# ifdef TAB1
#  undef TAB1
# endif
# ifdef TAB2
#  undef TAB2
# endif
# ifdef CR0
#  undef CR0
# endif
# ifdef CR1
#  undef CR1
# endif
# ifdef CR2
#  undef CR2
# endif
# ifdef CR3
#  undef CR3
# endif
# ifdef FF0
#  undef FF0
# endif
# ifdef FF1
#  undef FF1
# endif
# ifdef BS0
#  undef BS0
# endif
# ifdef BS1
#  undef BS1
# endif

#endif /* __USE_MISC || __USE_XOPEN */

#ifdef __USE_MISC

# ifdef MDMBUF
#  undef MDMBUF
# endif
# ifdef FLUSHO
#  undef FLUSHO
# endif
# ifdef PENDIN
#  undef PENDIN
# endif

#endif /* __USE_MISC */

#ifdef ECHO
# undef ECHO
#endif
#ifdef TOSTOP
# undef TOSTOP
#endif
#ifdef NOFLSH
# undef NOFLSH
#endif


/* These definitions match those used by the 4.4 BSD kernel.
   If the operating system has termios system calls or ioctls that
   correctly implement the POSIX.1 behavior, there should be a
   system-dependent version of this file that defines `struct termios',
   `tcflag_t', `cc_t', `speed_t' and the `TC*' constants appropriately.  */

/* Type of terminal control flag masks.  */
typedef unsigned long int tcflag_t;

/* Type of control characters.  */
typedef unsigned char cc_t;

/* Type of baud rate specifiers.  */
typedef long int speed_t;

/* Terminal control structure.  */
struct termios
{
  /* Input modes.  */
  tcflag_t c_iflag;
#define	IGNBRK	(1 << 0)	/* Ignore break condition.  */
#define	BRKINT	(1 << 1)	/* Signal interrupt on break.  */
#define	IGNPAR	(1 << 2)	/* Ignore characters with parity errors.  */
#define	PARMRK	(1 << 3)	/* Mark parity and framing errors.  */
#define	INPCK	(1 << 4)	/* Enable input parity check.  */
#define	ISTRIP	(1 << 5)	/* Strip 8th bit off characters.  */
#define	INLCR	(1 << 6)	/* Map NL to CR on input.  */
#define	IGNCR	(1 << 7)	/* Ignore CR.  */
#define	ICRNL	(1 << 8)	/* Map CR to NL on input.  */
#define	IXON	(1 << 9)	/* Enable start/stop output control.  */
#define	IXOFF	(1 << 10)	/* Enable start/stop input control.  */
#if defined __USE_MISC || defined __USE_XOPEN || defined __USE_XOPEN2K8
# define IXANY	(1 << 11)	/* Any character will restart after stop.  */
#endif
#ifdef	__USE_MISC
# define IMAXBEL (1 << 13)	/* Ring bell when input queue is full.  */
#endif
#if defined __USE_GNU || (defined __USE_XOPEN && !defined __USE_XOPEN2K)
# define IUCLC	(1 << 14)	/* Translate upper case input to lower case. */
#endif

  /* Output modes.  */
  tcflag_t c_oflag;
#define	OPOST	(1 << 0)	/* Perform output processing.  */
#if defined __USE_MISC || defined __USE_XOPEN
# define ONLCR	(1 << 1)	/* Map NL to CR-NL on output.  */
#endif
#ifdef	__USE_MISC
# define OXTABS	TAB3		/* Expand tabs to spaces.  */
# define ONOEOT	(1 << 3)	/* Discard EOT (^D) on output.  */
#endif
#if defined __USE_MISC || defined __USE_XOPEN
# define OCRNL	(1 << 4)	/* Map CR to NL.  */
# define ONOCR	(1 << 5)	/* Discard CR's when on column 0.  */
# define ONLRET	(1 << 6)	/* Move to column 0 on NL.  */
#endif
#if defined __USE_MISC || defined __USE_XOPEN
# define NLDLY	(3 << 8)	/* NL delay.  */
# define NL0	(0 << 8)	/* NL type 0.  */
# define NL1	(1 << 8)	/* NL type 1.  */
# define TABDLY	(3 << 10 | 1 << 2)	/* TAB delay.  */
# define TAB0	(0 << 10)	/* TAB delay type 0.  */
# define TAB1	(1 << 10)	/* TAB delay type 1.  */
# define TAB2	(2 << 10)	/* TAB delay type 2.  */
# define TAB3	(1 << 2)	/* Expand tabs to spaces.  */
# define CRDLY	(3 << 12)	/* CR delay.  */
# define CR0	(0 << 12)	/* CR delay type 0.  */
# define CR1	(1 << 12)	/* CR delay type 1.  */
# define CR2	(2 << 12)	/* CR delay type 2.  */
# define CR3	(3 << 12)	/* CR delay type 3.  */
# define FFDLY	(1 << 14)	/* FF delay.  */
# define FF0	(0 << 14)	/* FF delay type 0.  */
# define FF1	(1 << 14)	/* FF delay type 1.  */
# define BSDLY	(1 << 15)	/* BS delay.  */
# define BS0	(0 << 15)	/* BS delay type 0.  */
# define BS1	(1 << 15)	/* BS delay type 1.  */
# define VTDLY	(1 << 16)	/* VT delay.  */
# define VT0	(0 << 16)	/* VT delay type 0.  */
# define VT1	(1 << 16)	/* VT delay type 1.  */
#endif /* __USE_MISC || __USE_XOPEN */
#if defined __USE_GNU || (defined __USE_XOPEN && !defined __USE_XOPEN2K)
# define OLCUC	(1 << 17)	/* Translate lower case output to upper case */
#endif
#ifdef __USE_XOPEN
# define OFILL	(1 << 18)	/* Send fill characters for delays.  */
# define OFDEL	(1 << 19)	/* Fill is DEL.  */
#endif

  /* Control modes.  */
  tcflag_t c_cflag;
#ifdef	__USE_MISC
# define CIGNORE	(1 << 0)	/* Ignore these control flags.  */
#endif
#define	CSIZE	(CS5|CS6|CS7|CS8)	/* Number of bits per byte (mask).  */
#define	CS5	0		/* 5 bits per byte.  */
#define	CS6	(1 << 8)	/* 6 bits per byte.  */
#define	CS7	(1 << 9)	/* 7 bits per byte.  */
#define	CS8	(CS6|CS7)	/* 8 bits per byte.  */
#define	CSTOPB	(1 << 10)	/* Two stop bits instead of one.  */
#define	CREAD	(1 << 11)	/* Enable receiver.  */
#define	PARENB	(1 << 12)	/* Parity enable.  */
#define	PARODD	(1 << 13)	/* Odd parity instead of even.  */
#define	HUPCL	(1 << 14)	/* Hang up on last close.  */
#define	CLOCAL	(1 << 15)	/* Ignore modem status lines.  */
#ifdef	__USE_MISC
# define CRTSCTS	(1 << 16)	/* RTS/CTS flow control.  */
# define CRTS_IFLOW	CRTSCTS		/* Compatibility.  */
# define CCTS_OFLOW	CRTSCTS		/* Compatibility.  */
# define CDTRCTS	(1 << 17)	/* DTR/CTS flow control.  */
# define MDMBUF		(1 << 20)	/* DTR/DCD flow control.  */
# define CHWFLOW	(MDMBUF|CRTSCTS|CDTRCTS) /* All types of flow control.  */
#endif

  /* Local modes.  */
  tcflag_t c_lflag;
#ifdef	__USE_MISC
# define ECHOKE	(1 << 0)	/* Visual erase for KILL.  */
#endif
#define	_ECHOE	(1 << 1)	/* Visual erase for ERASE.  */
#define	ECHOE	_ECHOE
#define	_ECHOK	(1 << 2)	/* Echo NL after KILL.  */
#define	ECHOK	_ECHOK
#define	_ECHO	(1 << 3)	/* Enable echo.  */
#define	ECHO	_ECHO
#define	_ECHONL	(1 << 4)	/* Echo NL even if ECHO is off.  */
#define	ECHONL	_ECHONL
#ifdef	__USE_MISC
# define ECHOPRT	(1 << 5)	/* Hardcopy visual erase.  */
# define ECHOCTL	(1 << 6)	/* Echo control characters as ^X.  */
#endif
#define	_ISIG	(1 << 7)	/* Enable signals.  */
#define	ISIG	_ISIG
#define	_ICANON	(1 << 8)	/* Do erase and kill processing.  */
#define	ICANON	_ICANON
#ifdef	__USE_MISC
# define ALTWERASE (1 << 9)	/* Alternate WERASE algorithm.  */
#endif
#define	_IEXTEN	(1 << 10)	/* Enable DISCARD and LNEXT.  */
#define	IEXTEN	_IEXTEN
#ifdef	__USE_MISC
# define EXTPROC	(1 << 11)	/* External processing.  */
#endif
#define	_TOSTOP	(1 << 22)	/* Send SIGTTOU for background output.  */
#define	TOSTOP	_TOSTOP
#ifdef	__USE_MISC
# define FLUSHO	(1 << 23)	/* Output being flushed (state).  */
#endif
#if defined __USE_XOPEN && !defined __USE_XOPEN2K
# define XCASE	(1 << 24)	/* Canonical upper/lower case.  */
#endif
#ifdef __USE_MISC
# define NOKERNINFO (1 << 25)	/* Disable VSTATUS.  */
# define PENDIN	(1 << 29)	/* Retype pending input (state).  */
#endif
#define	_NOFLSH	(1 << 31)	/* Disable flush after interrupt.  */
#define	NOFLSH	_NOFLSH

  /* Control characters.  */
#define	VEOF	0		/* End-of-file character [ICANON].  */
#define	VEOL	1		/* End-of-line character [ICANON].  */
#ifdef	__USE_MISC
# define VEOL2	2		/* Second EOL character [ICANON].  */
#endif
#define	VERASE	3		/* Erase character [ICANON].  */
#ifdef	__USE_MISC
# define VWERASE	4		/* Word-erase character [ICANON].  */
#endif
#define	VKILL	5		/* Kill-line character [ICANON].  */
#ifdef	__USE_MISC
# define VREPRINT 6		/* Reprint-line character [ICANON].  */
#endif
#define	VINTR	8		/* Interrupt character [ISIG].  */
#define	VQUIT	9		/* Quit character [ISIG].  */
#define	VSUSP	10		/* Suspend character [ISIG].  */
#ifdef	__USE_MISC
# define VDSUSP	11		/* Delayed suspend character [ISIG].  */
#endif
#define	VSTART	12		/* Start (X-ON) character [IXON, IXOFF].  */
#define	VSTOP	13		/* Stop (X-OFF) character [IXON, IXOFF].  */
#ifdef	__USE_MISC
# define VLNEXT	14		/* Literal-next character [IEXTEN].  */
# define VDISCARD 15		/* Discard character [IEXTEN].  */
#endif
#define	VMIN	16		/* Minimum number of bytes read at once [!ICANON].  */
#define	VTIME	17		/* Time-out value (tenths of a second) [!ICANON].  */
#ifdef	__USE_MISC
# define VSTATUS	18		/* Status character [ICANON].  */
#endif
#define	NCCS	20		/* Value duplicated in <hurd/tioctl.defs>.  */
  cc_t c_cc[NCCS];

  /* Input and output baud rates.  */
  speed_t __ispeed, __ospeed;
#define	B0	0		/* Hang up.  */
#define	B50	50		/* 50 baud.  */
#define	B75	75		/* 75 baud.  */
#define	B110	110		/* 110 baud.  */
#define	B134	134		/* 134.5 baud.  */
#define	B150	150		/* 150 baud.  */
#define	B200	200		/* 200 baud.  */
#define	B300	300		/* 300 baud.  */
#define	B600	600		/* 600 baud.  */
#define	B1200	1200		/* 1200 baud.  */
#define	B1800	1800		/* 1800 baud.  */
#define	B2400	2400		/* 2400 baud.  */
#define	B4800	4800		/* 4800 baud.  */
#define	B9600	9600		/* 9600 baud.  */
#define	B7200	7200		/* 7200 baud.  */
#define	B14400	14400		/* 14400 baud.  */
#define	B19200	19200		/* 19200 baud.  */
#define	B28800	28800		/* 28800 baud.  */
#define	B38400	38400		/* 38400 baud.  */
#ifdef	__USE_MISC
# define EXTA	19200
# define EXTB	38400
#endif
#define	B57600	57600
#define	B76800	76800
#define	B115200	115200
#define	B230400	230400
#define	B460800	460800
#define	B500000	500000
#define	B576000	576000
#define	B921600	921600
#define	B1000000 1000000
#define	B1152000 1152000
#define	B1500000 1500000
#define	B2000000 2000000
#define	B2500000 2500000
#define	B3000000 3000000
#define	B3500000 3500000
#define	B4000000 4000000
};

#define _IOT_termios /* Hurd ioctl type field.  */ \
  _IOT (_IOTS (tcflag_t), 4, _IOTS (cc_t), NCCS, _IOTS (speed_t), 2)

/* Values for the OPTIONAL_ACTIONS argument to `tcsetattr'.  */
#define	TCSANOW		0	/* Change immediately.  */
#define	TCSADRAIN	1	/* Change when pending output is written.  */
#define	TCSAFLUSH	2	/* Flush pending input before changing.  */
#ifdef	__USE_MISC
# define TCSASOFT	0x10	/* Flag: Don't alter hardware state.  */
#endif

/* Values for the QUEUE_SELECTOR argument to `tcflush'.  */
#define	TCIFLUSH	1	/* Discard data received but not yet read.  */
#define	TCOFLUSH	2	/* Discard data written but not yet sent.  */
#define	TCIOFLUSH	3	/* Discard all pending data.  */

/* Values for the ACTION argument to `tcflow'.  */
#define	TCOOFF	1		/* Suspend output.  */
#define	TCOON	2		/* Restart suspended output.  */
#define	TCIOFF	3		/* Send a STOP character.  */
#define	TCION	4		/* Send a START character.  */