Optimize pt_chown.
[glibc.git] / bits / termios.h
blob293d0a606127c4dc05c8e29a391040157656e761
1 /* termios type and macro definitions. 4.4 BSD/generic GNU version.
2 Copyright (C) 1993,94,96,97,99,2001 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18 02111-1307 USA. */
20 #ifndef _TERMIOS_H
21 # error "Never include <bits/termios.h> directly; use <termios.h> instead."
22 #endif
24 /* These macros are also defined in some <bits/ioctls.h> files (with
25 numerically identical values), but this serves to shut up cpp's
26 complaining. */
27 #if defined __USE_MISC || defined __USE_XOPEN
29 # ifdef NL0
30 # undef NL0
31 # endif
32 # ifdef NL1
33 # undef NL1
34 # endif
35 # ifdef TAB0
36 # undef TAB0
37 # endif
38 # ifdef TAB1
39 # undef TAB1
40 # endif
41 # ifdef TAB2
42 # undef TAB2
43 # endif
44 # ifdef CR0
45 # undef CR0
46 # endif
47 # ifdef CR1
48 # undef CR1
49 # endif
50 # ifdef CR2
51 # undef CR2
52 # endif
53 # ifdef CR3
54 # undef CR3
55 # endif
56 # ifdef FF0
57 # undef FF0
58 # endif
59 # ifdef FF1
60 # undef FF1
61 # endif
62 # ifdef BS0
63 # undef BS0
64 # endif
65 # ifdef BS1
66 # undef BS1
67 # endif
69 #endif /* __USE_MISC || __USE_XOPEN */
71 #ifdef __USE_BSD
73 # ifdef MDMBUF
74 # undef MDMBUF
75 # endif
76 # ifdef FLUSHO
77 # undef FLUSHO
78 # endif
79 # ifdef PENDIN
80 # undef PENDIN
81 # endif
83 #endif /* __USE_BSD */
85 #ifdef ECHO
86 # undef ECHO
87 #endif
88 #ifdef TOSTOP
89 # undef TOSTOP
90 #endif
91 #ifdef NOFLSH
92 # undef NOFLSH
93 #endif
96 /* These definitions match those used by the 4.4 BSD kernel.
97 If the operating system has termios system calls or ioctls that
98 correctly implement the POSIX.1 behavior, there should be a
99 system-dependent version of this file that defines `struct termios',
100 `tcflag_t', `cc_t', `speed_t' and the `TC*' constants appropriately. */
102 /* Type of terminal control flag masks. */
103 typedef unsigned long int tcflag_t;
105 /* Type of control characters. */
106 typedef unsigned char cc_t;
108 /* Type of baud rate specifiers. */
109 typedef long int speed_t;
111 /* Terminal control structure. */
112 struct termios
114 /* Input modes. */
115 tcflag_t c_iflag;
116 #define IGNBRK (1 << 0) /* Ignore break condition. */
117 #define BRKINT (1 << 1) /* Signal interrupt on break. */
118 #define IGNPAR (1 << 2) /* Ignore characters with parity errors. */
119 #define PARMRK (1 << 3) /* Mark parity and framing errors. */
120 #define INPCK (1 << 4) /* Enable input parity check. */
121 #define ISTRIP (1 << 5) /* Strip 8th bit off characters. */
122 #define INLCR (1 << 6) /* Map NL to CR on input. */
123 #define IGNCR (1 << 7) /* Ignore CR. */
124 #define ICRNL (1 << 8) /* Map CR to NL on input. */
125 #define IXON (1 << 9) /* Enable start/stop output control. */
126 #define IXOFF (1 << 10) /* Enable start/stop input control. */
127 #ifdef __USE_BSD
128 # define IXANY (1 << 11) /* Any character will restart after stop. */
129 # define IMAXBEL (1 << 13) /* Ring bell when input queue is full. */
130 #endif
131 #ifdef __USE_GNU
132 # define IUCLC (1 << 14) /* Translate upper case input to lower case. */
133 #endif
135 /* Output modes. */
136 tcflag_t c_oflag;
137 #define OPOST (1 << 0) /* Perform output processing. */
138 #if defined __USE_BSD || defined __USE_XOPEN
139 # define ONLCR (1 << 1) /* Map NL to CR-NL on output. */
140 #endif
141 #ifdef __USE_BSD
142 # define OXTABS TAB3 /* Expand tabs to spaces. */
143 # define ONOEOT (1 << 3) /* Discard EOT (^D) on output. */
144 #endif
145 #if defined __USE_BSD || defined __USE_XOPEN
146 # define OCRNL (1 << 4) /* Map CR to NL. */
147 # define ONOCR (1 << 5) /* Discard CR's when on column 0. */
148 # define ONLRET (1 << 6) /* Move to column 0 on NL. */
149 #endif
150 #if defined __USE_MISC || defined __USE_XOPEN
151 # define NLDLY (3 << 8) /* NL delay. */
152 # define NL0 (0 << 8) /* NL type 0. */
153 # define NL1 (1 << 8) /* NL type 1. */
154 # define TABDLY (3 << 10) /* TAB delay. */
155 # define TAB0 (0 << 10) /* TAB delay type 0. */
156 # define TAB1 (1 << 10) /* TAB delay type 1. */
157 # define TAB2 (2 << 10) /* TAB delay type 2. */
158 # define TAB3 (1 << 2) /* Expand tabs to spaces. */
159 # define CRDLY (3 << 12) /* CR delay. */
160 # define CR0 (0 << 12) /* CR delay type 0. */
161 # define CR1 (1 << 12) /* CR delay type 1. */
162 # define CR2 (2 << 12) /* CR delay type 2. */
163 # define CR3 (3 << 12) /* CR delay type 3. */
164 # define FFDLY (1 << 14) /* FF delay. */
165 # define FF0 (0 << 14) /* FF delay type 0. */
166 # define FF1 (1 << 14) /* FF delay type 1. */
167 # define BSDLY (1 << 15) /* BS delay. */
168 # define BS0 (0 << 15) /* BS delay type 0. */
169 # define BS1 (1 << 15) /* BS delay type 1. */
170 # define VTDLY (1 << 16) /* VT delay. */
171 # define VT0 (0 << 16) /* VT delay type 0. */
172 # define VT1 (1 << 16) /* VT delay type 1. */
173 #endif /* __USE_MISC || __USE_XOPEN */
174 #ifdef __USE_GNU
175 # define OLCUC (1 << 17) /* Translate lower case output to upper case */
176 #endif
177 #ifdef __USE_XOPEN
178 # define OFILL (1 << 18) /* Send fill characters for delays. */
179 #endif
181 /* Control modes. */
182 tcflag_t c_cflag;
183 #ifdef __USE_BSD
184 # define CIGNORE (1 << 0) /* Ignore these control flags. */
185 #endif
186 #define CSIZE (CS5|CS6|CS7|CS8) /* Number of bits per byte (mask). */
187 #define CS5 0 /* 5 bits per byte. */
188 #define CS6 (1 << 8) /* 6 bits per byte. */
189 #define CS7 (1 << 9) /* 7 bits per byte. */
190 #define CS8 (CS6|CS7) /* 8 bits per byte. */
191 #define CSTOPB (1 << 10) /* Two stop bits instead of one. */
192 #define CREAD (1 << 11) /* Enable receiver. */
193 #define PARENB (1 << 12) /* Parity enable. */
194 #define PARODD (1 << 13) /* Odd parity instead of even. */
195 #define HUPCL (1 << 14) /* Hang up on last close. */
196 #define CLOCAL (1 << 15) /* Ignore modem status lines. */
197 #ifdef __USE_BSD
198 # define CRTSCTS (1 << 16) /* RTS/CTS flow control. */
199 # define CRTS_IFLOW CRTSCTS /* Compatibility. */
200 # define CCTS_OFLOW CRTSCTS /* Compatibility. */
201 # define CDTRCTS (1 << 17) /* DTR/CTS flow control. */
202 # define MDMBUF (1 << 20) /* DTR/DCD flow control. */
203 # define CHWFLOW (MDMBUF|CRTSCTS|CDTRCTS) /* All types of flow control. */
204 #endif
206 /* Local modes. */
207 tcflag_t c_lflag;
208 #ifdef __USE_BSD
209 # define ECHOKE (1 << 0) /* Visual erase for KILL. */
210 #endif
211 #define _ECHOE (1 << 1) /* Visual erase for ERASE. */
212 #define ECHOE _ECHOE
213 #define _ECHOK (1 << 2) /* Echo NL after KILL. */
214 #define ECHOK _ECHOK
215 #define _ECHO (1 << 3) /* Enable echo. */
216 #define ECHO _ECHO
217 #define _ECHONL (1 << 4) /* Echo NL even if ECHO is off. */
218 #define ECHONL _ECHONL
219 #ifdef __USE_BSD
220 # define ECHOPRT (1 << 5) /* Hardcopy visual erase. */
221 # define ECHOCTL (1 << 6) /* Echo control characters as ^X. */
222 #endif
223 #define _ISIG (1 << 7) /* Enable signals. */
224 #define ISIG _ISIG
225 #define _ICANON (1 << 8) /* Do erase and kill processing. */
226 #define ICANON _ICANON
227 #ifdef __USE_BSD
228 # define ALTWERASE (1 << 9) /* Alternate WERASE algorithm. */
229 #endif
230 #define _IEXTEN (1 << 10) /* Enable DISCARD and LNEXT. */
231 #define IEXTEN _IEXTEN
232 #define EXTPROC (1 << 11) /* External processing. */
233 #define _TOSTOP (1 << 22) /* Send SIGTTOU for background output. */
234 #define TOSTOP _TOSTOP
235 #ifdef __USE_BSD
236 # define FLUSHO (1 << 23) /* Output being flushed (state). */
237 # define NOKERNINFO (1 << 25) /* Disable VSTATUS. */
238 # define PENDIN (1 << 29) /* Retype pending input (state). */
239 #endif
240 #define _NOFLSH (1 << 31) /* Disable flush after interrupt. */
241 #define NOFLSH _NOFLSH
243 /* Control characters. */
244 #define VEOF 0 /* End-of-file character [ICANON]. */
245 #define VEOL 1 /* End-of-line character [ICANON]. */
246 #ifdef __USE_BSD
247 # define VEOL2 2 /* Second EOL character [ICANON]. */
248 #endif
249 #define VERASE 3 /* Erase character [ICANON]. */
250 #ifdef __USE_BSD
251 # define VWERASE 4 /* Word-erase character [ICANON]. */
252 #endif
253 #define VKILL 5 /* Kill-line character [ICANON]. */
254 #ifdef __USE_BSD
255 # define VREPRINT 6 /* Reprint-line character [ICANON]. */
256 #endif
257 #define VINTR 8 /* Interrupt character [ISIG]. */
258 #define VQUIT 9 /* Quit character [ISIG]. */
259 #define VSUSP 10 /* Suspend character [ISIG]. */
260 #ifdef __USE_BSD
261 # define VDSUSP 11 /* Delayed suspend character [ISIG]. */
262 #endif
263 #define VSTART 12 /* Start (X-ON) character [IXON, IXOFF]. */
264 #define VSTOP 13 /* Stop (X-OFF) character [IXON, IXOFF]. */
265 #ifdef __USE_BSD
266 # define VLNEXT 14 /* Literal-next character [IEXTEN]. */
267 # define VDISCARD 15 /* Discard character [IEXTEN]. */
268 #endif
269 #define VMIN 16 /* Minimum number of bytes read at once [!ICANON]. */
270 #define VTIME 17 /* Time-out value (tenths of a second) [!ICANON]. */
271 #ifdef __USE_BSD
272 # define VSTATUS 18 /* Status character [ICANON]. */
273 #endif
274 #define NCCS 20 /* Value duplicated in <hurd/tioctl.defs>. */
275 cc_t c_cc[NCCS];
277 /* Input and output baud rates. */
278 speed_t __ispeed, __ospeed;
279 #define B0 0 /* Hang up. */
280 #define B50 50 /* 50 baud. */
281 #define B75 75 /* 75 baud. */
282 #define B110 110 /* 110 baud. */
283 #define B134 134 /* 134.5 baud. */
284 #define B150 150 /* 150 baud. */
285 #define B200 200 /* 200 baud. */
286 #define B300 300 /* 300 baud. */
287 #define B600 600 /* 600 baud. */
288 #define B1200 1200 /* 1200 baud. */
289 #define B1800 1800 /* 1800 baud. */
290 #define B2400 2400 /* 2400 baud. */
291 #define B4800 4800 /* 4800 baud. */
292 #define B9600 9600 /* 9600 baud. */
293 #define B7200 7200 /* 7200 baud. */
294 #define B14400 14400 /* 14400 baud. */
295 #define B19200 19200 /* 19200 baud. */
296 #define B28800 28800 /* 28800 baud. */
297 #define B38400 38400 /* 38400 baud. */
298 #ifdef __USE_MISC
299 # define EXTA 19200
300 # define EXTB 38400
301 #endif
302 #define B57600 57600
303 #define B76800 76800
304 #define B115200 115200
305 #define B230400 230400
306 #define B460800 460800
307 #define B500000 500000
308 #define B576000 576000
309 #define B921600 921600
310 #define B1000000 1000000
311 #define B1152000 1152000
312 #define B1500000 1500000
313 #define B2000000 2000000
314 #define B2500000 2500000
315 #define B3000000 3000000
316 #define B3500000 3500000
317 #define B4000000 4000000
320 #define _IOT_termios /* Hurd ioctl type field. */ \
321 _IOT (_IOTS (tcflag_t), 4, _IOTS (cc_t), NCCS, _IOTS (speed_t), 2)
323 /* Values for the OPTIONAL_ACTIONS argument to `tcsetattr'. */
324 #define TCSANOW 0 /* Change immediately. */
325 #define TCSADRAIN 1 /* Change when pending output is written. */
326 #define TCSAFLUSH 2 /* Flush pending input before changing. */
327 #ifdef __USE_BSD
328 # define TCSASOFT 0x10 /* Flag: Don't alter hardware state. */
329 #endif
331 /* Values for the QUEUE_SELECTOR argument to `tcflush'. */
332 #define TCIFLUSH 1 /* Discard data received but not yet read. */
333 #define TCOFLUSH 2 /* Discard data written but not yet sent. */
334 #define TCIOFLUSH 3 /* Discard all pending data. */
336 /* Values for the ACTION argument to `tcflow'. */
337 #define TCOOFF 1 /* Suspend output. */
338 #define TCOON 2 /* Restart suspended output. */
339 #define TCIOFF 3 /* Send a STOP character. */
340 #define TCION 4 /* Send a START character. */