Commit | Line | Data |
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a04c9535 | 1 | /* systty.h - System-dependent definitions for terminals. |
3a22ee35 | 2 | Copyright (C) 1993, 1994 Free Software Foundation, Inc. |
d0d6b7c5 JB |
3 | |
4 | This file is part of GNU Emacs. | |
5 | ||
6 | GNU Emacs is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
101adcb5 | 8 | the Free Software Foundation; either version 2, or (at your option) |
d0d6b7c5 JB |
9 | any later version. |
10 | ||
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Emacs; see the file COPYING. If not, write to | |
3b7ad313 EN |
18 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
19 | Boston, MA 02111-1307, USA. */ | |
d0d6b7c5 | 20 | |
2182d459 RS |
21 | #ifdef HAVE_TERMIOS |
22 | #define HAVE_TCATTR | |
23 | #endif | |
7f6d476f | 24 | |
d0d6b7c5 JB |
25 | \f |
26 | /* Include the proper files. */ | |
27 | #ifdef HAVE_TERMIO | |
0674a1f9 JB |
28 | #ifdef __DGUX |
29 | #include <sys/ioctl.h> | |
30 | #endif | |
d2d846a3 | 31 | #ifndef NO_TERMIO |
d0d6b7c5 | 32 | #include <termio.h> |
d2d846a3 | 33 | #endif /* not NO_TERMIO */ |
92ea836d | 34 | #ifndef INCLUDED_FCNTL |
b65e3dd7 | 35 | #define INCLUDED_FCNTL |
d0d6b7c5 | 36 | #include <fcntl.h> |
92ea836d RS |
37 | #endif |
38 | #else /* not HAVE_TERMIO */ | |
d0d6b7c5 | 39 | #ifdef HAVE_TERMIOS |
3580badc RS |
40 | #if defined(_AIX) && defined(_I386) |
41 | #include <termios.h> /* termios.h needs to be before termio.h */ | |
42 | #include <termio.h> | |
ab9ba9ea | 43 | #else /* not (_AIX && _I386) */ |
c62e9958 | 44 | #ifndef NO_TERMIO |
d0d6b7c5 | 45 | #include <termio.h> |
c62e9958 | 46 | #endif |
d0d6b7c5 | 47 | #include <termios.h> |
ab9ba9ea | 48 | #endif /* not (_AIX && _I386) */ |
b65e3dd7 | 49 | #define INCLUDED_FCNTL |
1aaaff21 | 50 | #include <fcntl.h> |
d0d6b7c5 JB |
51 | #else /* neither HAVE_TERMIO nor HAVE_TERMIOS */ |
52 | #ifndef VMS | |
101adcb5 | 53 | #ifndef DOS_NT |
d0d6b7c5 | 54 | #include <sgtty.h> |
101adcb5 | 55 | #endif /* not DOS_NT */ |
a04c9535 JB |
56 | #else /* VMS */ |
57 | #include <descrip.h> | |
58 | static struct iosb | |
59 | { | |
60 | short status; | |
61 | short offset; | |
62 | short termlen; | |
63 | short term; | |
64 | } input_iosb; | |
65 | ||
66 | extern int waiting_for_ast; | |
67 | extern int stop_input; | |
210b2b4f JB |
68 | extern int input_ef; |
69 | extern int timer_ef; | |
70 | extern int process_ef; | |
a04c9535 JB |
71 | extern int input_eflist; |
72 | extern int timer_eflist; | |
73 | ||
74 | static $DESCRIPTOR (input_dsc, "TT"); | |
75 | static int terminator_mask[2] = { 0, 0 }; | |
76 | ||
77 | static struct sensemode { | |
78 | short status; | |
79 | unsigned char xmit_baud; | |
80 | unsigned char rcv_baud; | |
81 | unsigned char crfill; | |
82 | unsigned char lffill; | |
83 | unsigned char parity; | |
84 | unsigned char unused; | |
85 | char class; | |
86 | char type; | |
87 | short scr_wid; | |
88 | unsigned long tt_char : 24, scr_len : 8; | |
89 | unsigned long tt2_char; | |
90 | } sensemode_iosb; | |
91 | #endif /* VMS */ | |
d0d6b7c5 JB |
92 | #endif /* not HAVE_TERMIOS */ |
93 | #endif /* not HAVE_TERMIO */ | |
94 | ||
c9b67b7b | 95 | #ifdef __GNU_LIBRARY__ |
c3ff76c4 | 96 | #include <sys/ioctl.h> |
c9b67b7b RM |
97 | #include <termios.h> |
98 | #endif | |
99 | ||
8e0ecd77 | 100 | #ifdef AIXHFT |
4746118a JB |
101 | /* Get files for keyboard remapping */ |
102 | #define HFNKEYS 2 | |
103 | #include <sys/hft.h> | |
104 | #include <sys/devinfo.h> | |
105 | #endif | |
106 | ||
107 | /* Get rid of LLITOUT in 4.1, since it is said to stimulate kernel bugs. */ | |
108 | #ifdef BSD4_1 | |
109 | #undef LLITOUT | |
110 | #define LLITOUT 0 | |
111 | #endif /* 4.1 */ | |
112 | ||
113 | #ifdef NEED_BSDTTY | |
114 | #include <sys/bsdtty.h> | |
177c0ea7 | 115 | #endif |
4746118a JB |
116 | |
117 | #if defined (HPUX) && defined (HAVE_PTYS) | |
118 | #include <sys/ptyio.h> | |
119 | #endif | |
378ac314 | 120 | |
4746118a JB |
121 | #ifdef AIX |
122 | #include <sys/pty.h> | |
4746118a JB |
123 | #endif /* AIX */ |
124 | ||
378ac314 | 125 | #if (defined (POSIX) || defined (NEED_UNISTD_H)) && defined (HAVE_UNISTD_H) |
9825c716 | 126 | #include <unistd.h> |
5ab57b9f RS |
127 | #endif |
128 | ||
4746118a | 129 | #ifdef SYSV_PTYS |
8243aa4e | 130 | #include <sys/types.h> |
4746118a | 131 | #include <sys/tty.h> |
ffd56f97 JB |
132 | #ifdef titan |
133 | #include <sys/ttyhw.h> | |
134 | #include <sys/stream.h> | |
135 | #endif | |
372d3c2e | 136 | #ifndef NO_PTY_H |
4746118a JB |
137 | #include <sys/pty.h> |
138 | #endif | |
372d3c2e | 139 | #endif |
4746118a JB |
140 | |
141 | /* saka@pfu.fujitsu.co.JP writes: | |
142 | FASYNC defined in this file. But, FASYNC don't working. | |
143 | so no problem, because unrequest_sigio only need. */ | |
144 | #if defined (pfa) | |
145 | #include <sys/file.h> | |
146 | #endif | |
147 | ||
d0d6b7c5 JB |
148 | \f |
149 | /* Special cases - inhibiting the use of certain features. */ | |
150 | ||
151 | #ifdef APOLLO | |
152 | #undef TIOCSTART | |
153 | #endif | |
154 | ||
ffd56f97 JB |
155 | #ifdef XENIX |
156 | #undef TIOCGETC /* Avoid confusing some conditionals that test this. */ | |
157 | #endif | |
158 | ||
d0d6b7c5 JB |
159 | #ifdef BROKEN_TIOCGETC |
160 | #undef TIOCGETC /* Avoid confusing some conditionals that test this. */ | |
161 | #endif | |
162 | ||
163 | /* UNIPLUS systems may have FIONREAD. */ | |
164 | #ifdef UNIPLUS | |
165 | #include <sys.ioctl.h> | |
166 | #endif | |
167 | ||
168 | /* Allow m- file to inhibit use of FIONREAD. */ | |
169 | #ifdef BROKEN_FIONREAD | |
170 | #undef FIONREAD | |
171 | #undef ASYNC | |
172 | #endif | |
173 | ||
eb8c3be9 | 174 | /* Interrupt input is not used if there is no FIONREAD. */ |
d0d6b7c5 JB |
175 | #ifndef FIONREAD |
176 | #undef SIGIO | |
177 | #endif | |
178 | ||
50b8cf60 JB |
179 | /* On TERMIOS systems, the tcmumbleattr calls take care of these |
180 | parameters, and it's a bad idea to use them (on AIX, it makes the | |
c39d651c | 181 | tty hang for a long time). */ |
50b8cf60 JB |
182 | #if defined (TIOCGLTC) && !defined (HAVE_TERMIOS) |
183 | #define HAVE_LTCHARS | |
184 | #endif | |
185 | ||
186 | #if defined (TIOCGETC) && !defined (HAVE_TERMIOS) | |
187 | #define HAVE_TCHARS | |
188 | #endif | |
189 | ||
d0d6b7c5 | 190 | \f |
2102829e RS |
191 | /* Try to establish the correct character to disable terminal functions |
192 | in a system-independent manner. Note that USG (at least) define | |
193 | _POSIX_VDISABLE as 0! */ | |
194 | ||
195 | #ifdef _POSIX_VDISABLE | |
196 | #define CDISABLE _POSIX_VDISABLE | |
197 | #else /* not _POSIX_VDISABLE */ | |
198 | #ifdef CDEL | |
d04e8e46 | 199 | #undef CDISABLE |
2102829e RS |
200 | #define CDISABLE CDEL |
201 | #else /* not CDEL */ | |
202 | #define CDISABLE 255 | |
203 | #endif /* not CDEL */ | |
204 | #endif /* not _POSIX_VDISABLE */ | |
205 | \f | |
d0d6b7c5 JB |
206 | /* Get the number of characters queued for output. */ |
207 | ||
208 | /* EMACS_OUTQSIZE(FD, int *SIZE) stores the number of characters | |
209 | queued for output to the terminal FD in *SIZE, if FD is a tty. | |
210 | Returns -1 if there was an error (i.e. FD is not a tty), 0 | |
211 | otherwise. */ | |
212 | #ifdef TIOCOUTQ | |
213 | #define EMACS_OUTQSIZE(fd, size) (ioctl ((fd), TIOCOUTQ, (size))) | |
214 | #endif | |
215 | ||
216 | #ifdef HAVE_TERMIO | |
217 | #ifdef TCOUTQ | |
218 | #undef EMACS_OUTQSIZE | |
219 | #define EMACS_OUTQSIZE(fd, size) (ioctl ((fd), TCOUTQ, (size))) | |
220 | #endif | |
221 | #endif | |
222 | ||
223 | \f | |
224 | /* Manipulate a terminal's current process group. */ | |
225 | ||
226 | /* EMACS_HAVE_TTY_PGRP is true if we can get and set the tty's current | |
227 | controlling process group. | |
228 | ||
229 | EMACS_GET_TTY_PGRP(int FD, int *PGID) sets *PGID the terminal FD's | |
230 | current process group. Return -1 if there is an error. | |
231 | ||
232 | EMACS_SET_TTY_PGRP(int FD, int *PGID) sets the terminal FD's | |
233 | current process group to *PGID. Return -1 if there is an error. */ | |
234 | ||
ffd56f97 JB |
235 | #ifdef HPUX |
236 | /* HPUX tty process group stuff doesn't work, says the anonymous voice | |
237 | from the past. */ | |
238 | #else | |
d0d6b7c5 JB |
239 | #ifdef TIOCGPGRP |
240 | #define EMACS_HAVE_TTY_PGRP | |
241 | #else | |
242 | #ifdef HAVE_TERMIOS | |
243 | #define EMACS_HAVE_TTY_PGRP | |
244 | #endif | |
245 | #endif | |
ffd56f97 | 246 | #endif |
d0d6b7c5 JB |
247 | |
248 | #ifdef EMACS_HAVE_TTY_PGRP | |
249 | ||
75bb6750 | 250 | #if defined (HAVE_TERMIOS) && ! defined (BSD_TERMIOS) |
d0d6b7c5 JB |
251 | |
252 | #define EMACS_GET_TTY_PGRP(fd, pgid) (*(pgid) = tcgetpgrp ((fd))) | |
161aa2f8 | 253 | #define EMACS_SET_TTY_PGRP(fd, pgid) (tcsetpgrp ((fd), *(pgid))) |
d0d6b7c5 JB |
254 | |
255 | #else | |
256 | #ifdef TIOCSPGRP | |
257 | ||
258 | #define EMACS_GET_TTY_PGRP(fd, pgid) (ioctl ((fd), TIOCGPGRP, (pgid))) | |
259 | #define EMACS_SET_TTY_PGRP(fd, pgid) (ioctl ((fd), TIOCSPGRP, (pgid))) | |
260 | ||
261 | #endif | |
262 | #endif | |
263 | ||
264 | #else | |
265 | ||
266 | /* Just ignore this for now and hope for the best */ | |
267 | #define EMACS_GET_TTY_PGRP(fd, pgid) 0 | |
ef15f270 | 268 | #define EMACS_SET_TTY_PGRP(fd, pgif) 0 |
d0d6b7c5 JB |
269 | |
270 | #endif | |
271 | ||
281bbdfb | 272 | /* EMACS_GETPGRP (arg) returns the process group of the process. */ |
727b007c | 273 | |
f7ff70e8 | 274 | #if defined (GETPGRP_VOID) |
727b007c RS |
275 | # define EMACS_GETPGRP(x) getpgrp() |
276 | #else | |
277 | # define EMACS_GETPGRP(x) getpgrp(x) | |
f7ff70e8 | 278 | #endif /* !GETPGRP_VOID */ |
d0d6b7c5 JB |
279 | \f |
280 | /* Manipulate a TTY's input/output processing parameters. */ | |
281 | ||
282 | /* struct emacs_tty is a structure used to hold the current tty | |
283 | parameters. If the terminal has several structures describing its | |
284 | state, for example a struct tchars, a struct sgttyb, a struct | |
285 | tchars, a struct ltchars, and a struct pagechars, struct | |
286 | emacs_tty should contain an element for each parameter struct | |
287 | that Emacs may change. | |
288 | ||
1334b321 JB |
289 | EMACS_GET_TTY (int FD, struct emacs_tty *P) stores the parameters |
290 | of the tty on FD in *P. Return zero if all's well, or -1 if we ran | |
291 | into an error we couldn't deal with. | |
d0d6b7c5 | 292 | |
1bf61ff9 | 293 | EMACS_SET_TTY (int FD, struct emacs_tty *P, int flushp) |
d0d6b7c5 | 294 | sets the parameters of the tty on FD according to the contents of |
1bf61ff9 RS |
295 | *P. If flushp is non-zero, we discard queued input to be |
296 | written before making the change. | |
1334b321 | 297 | Return 0 if all went well, and -1 if anything failed. |
d0d6b7c5 JB |
298 | |
299 | EMACS_TTY_TABS_OK (struct emacs_tty *P) is false iff the kernel | |
300 | expands tabs to spaces upon output; in that case, there is no | |
301 | advantage to using tabs over spaces. */ | |
302 | ||
303 | ||
d0d6b7c5 | 304 | /* For each tty parameter structure that Emacs might want to save and restore, |
1334b321 JB |
305 | - include an element for it in this structure, and |
306 | - extend the emacs_{get,set}_tty functions in sysdep.c to deal with the | |
307 | new members. */ | |
d0d6b7c5 JB |
308 | |
309 | struct emacs_tty { | |
310 | ||
311 | /* There is always one of the following elements, so there is no need | |
312 | for dummy get and set definitions. */ | |
2182d459 | 313 | #ifdef HAVE_TCATTR |
d0d6b7c5 JB |
314 | struct termios main; |
315 | #else | |
316 | #ifdef HAVE_TERMIO | |
317 | struct termio main; | |
318 | #else | |
319 | #ifdef VMS | |
320 | struct sensemode main; | |
8e99c732 | 321 | #else |
101adcb5 | 322 | #ifdef DOS_NT |
8e99c732 | 323 | int main; |
101adcb5 | 324 | #else /* not DOS_NT */ |
d0d6b7c5 | 325 | struct sgttyb main; |
101adcb5 | 326 | #endif /* not DOS_NT */ |
d0d6b7c5 JB |
327 | #endif |
328 | #endif | |
8e99c732 | 329 | #endif |
50b8cf60 JB |
330 | |
331 | /* If we have TERMIOS, we don't need to do this - they're taken care of | |
332 | by the tc*attr calls. */ | |
333 | #ifndef HAVE_TERMIOS | |
334 | #ifdef HAVE_LTCHARS | |
2182d459 RS |
335 | struct ltchars ltchars; |
336 | #endif | |
50b8cf60 JB |
337 | |
338 | #ifdef HAVE_TCHARS | |
2182d459 RS |
339 | struct tchars tchars; |
340 | int lmode; | |
d0d6b7c5 | 341 | #endif |
50b8cf60 | 342 | #endif |
2182d459 RS |
343 | }; |
344 | \f | |
345 | /* Define EMACS_GET_TTY and EMACS_SET_TTY, | |
c2e4f49a | 346 | the macros for reading and setting parts of `struct emacs_tty'. |
d0d6b7c5 | 347 | |
c2e4f49a JB |
348 | These got pretty unmanageable (huge macros are hard to debug), and |
349 | finally needed some code which couldn't be done as part of an | |
350 | expression, so we moved them out to their own functions in sysdep.c. */ | |
351 | #define EMACS_GET_TTY(fd, p) (emacs_get_tty ((fd), (p))) | |
352 | #define EMACS_SET_TTY(fd, p, waitp) (emacs_set_tty ((fd), (p), (waitp))) | |
4c571d09 AS |
353 | #ifdef P_ /* Unfortunately this file is sometimes included before lisp.h */ |
354 | extern int emacs_get_tty P_ ((int, struct emacs_tty *)); | |
355 | extern int emacs_set_tty P_ ((int, struct emacs_tty *, int)); | |
356 | #endif | |
d0d6b7c5 | 357 | |
2182d459 RS |
358 | \f |
359 | /* Define EMACS_TTY_TABS_OK. */ | |
d0d6b7c5 JB |
360 | |
361 | #ifdef HAVE_TERMIOS | |
362 | ||
c7040669 | 363 | #ifdef TABDLY |
d0d6b7c5 | 364 | #define EMACS_TTY_TABS_OK(p) (((p)->main.c_oflag & TABDLY) != TAB3) |
c7040669 RS |
365 | #else |
366 | #define EMACS_TTY_TABS_OK(p) 1 | |
367 | #endif | |
d0d6b7c5 JB |
368 | |
369 | #else /* not def HAVE_TERMIOS */ | |
370 | #ifdef HAVE_TERMIO | |
371 | ||
372 | #define EMACS_TTY_TABS_OK(p) (((p)->main.c_oflag & TABDLY) != TAB3) | |
373 | ||
374 | #else /* neither HAVE_TERMIO nor HAVE_TERMIOS */ | |
375 | #ifdef VMS | |
376 | ||
377 | #define EMACS_TTY_TABS_OK(p) (((p)->main.tt_char & TT$M_MECHTAB) != 0) | |
378 | ||
379 | #else | |
380 | ||
101adcb5 | 381 | #ifdef DOS_NT |
8e99c732 | 382 | #define EMACS_TTY_TABS_OK(p) 0 |
101adcb5 | 383 | #else /* not DOS_NT */ |
d0d6b7c5 | 384 | #define EMACS_TTY_TABS_OK(p) (((p)->main.sg_flags & XTABS) != XTABS) |
101adcb5 | 385 | #endif /* not DOS_NT */ |
d0d6b7c5 JB |
386 | |
387 | #endif /* not def VMS */ | |
388 | #endif /* not def HAVE_TERMIO */ | |
389 | #endif /* not def HAVE_TERMIOS */ |