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Comparing rxvt-unicode/src/ptytty.C (file contents):
Revision 1.3 by pcg, Tue Nov 25 15:25:17 2003 UTC vs.
Revision 1.32 by root, Wed Jan 11 20:46:46 2006 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*--------------------------------*-C-*---------------------------------*
2 * File: ptytty.c 2 * File: ptytty.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * $Id: ptytty.C,v 1.3 2003/11/25 15:25:17 pcg Exp $
5 * 4 *
6 * All portions of code are copyright by their respective author/s. 5 * All portions of code are copyright by their respective author/s.
7 * Copyright (c) 1999-2001 Geoff Wing <gcw@pobox.com> 6 * Copyright (c) 1999-2001 Geoff Wing <gcw@pobox.com>
7 * Copyright (c) 2004-2006 Marc Lehmann <pcg@goof.com>
8 * 8 *
9 * This program is free software; you can redistribute it and/or modify 9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by 10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or 11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version. 12 * (at your option) any later version.
… …
20 * along with this program; if not, write to the Free Software 20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 *---------------------------------------------------------------------*/ 22 *---------------------------------------------------------------------*/
23 23
24#include "../config.h" /* NECESSARY */ 24#include "../config.h" /* NECESSARY */
25#include "rxvt.h"
25 26
26/*
27 * Try to be self-contained except for the above autoconfig'd defines
28 */
29
30#include <stdio.h>
31#ifdef HAVE_STDLIB_H
32# include <stdlib.h> 27# include <cstdlib>
33#endif 28# include <cstring>
29
34#ifdef HAVE_SYS_TYPES_H 30#ifdef HAVE_SYS_TYPES_H
35# include <sys/types.h> 31# include <sys/types.h>
36#endif 32#endif
37#ifdef HAVE_UNISTD_H 33#ifdef HAVE_UNISTD_H
38# include <unistd.h> 34# include <unistd.h>
39#endif 35#endif
40#if defined(HAVE_STRING_H)
41# include <string.h>
42#endif
43#ifdef HAVE_FCNTL_H 36#ifdef HAVE_FCNTL_H
44# include <fcntl.h> 37# include <fcntl.h>
45#endif 38#endif
46#ifdef HAVE_SYS_IOCTL_H 39#ifdef HAVE_SYS_IOCTL_H
47# include <sys/ioctl.h> 40# include <sys/ioctl.h>
48#endif 41#endif
49#if defined(PTYS_ARE_PTMX) && !defined(__CYGWIN32__) 42#if defined(PTYS_ARE_PTMX) && defined(HAVE_SYS_STROPTS_H)
50# include <sys/stropts.h> /* for I_PUSH */ 43# include <sys/stropts.h> /* for I_PUSH */
51#endif 44#endif
52 45#ifdef HAVE_ISASTREAM
53 46# include <stropts.h>
54#ifdef DEBUG_TTY
55# define D_TTY(x) fprintf x ; fputc('\n', stderr) ; fflush(stderr)
56#else
57# define D_TTY(x)
58#endif 47#endif
48#if defined(HAVE_PTY_H)
49# include <pty.h>
50#elif defined(HAVE_LIBUTIL_H)
51# include <libutil.h>
52#elif defined(HAVE_UTIL_H)
53# include <util.h>
54#endif
55
56#include <cstdio>
57#include <grp.h>
59 58
60/* ------------------------------------------------------------------------- * 59/* ------------------------------------------------------------------------- *
61 * GET PSEUDO TELETYPE - MASTER AND SLAVE * 60 * GET PSEUDO TELETYPE - MASTER AND SLAVE *
62 * ------------------------------------------------------------------------- */ 61 * ------------------------------------------------------------------------- */
63/* 62/*
64 * Returns pty file descriptor, or -1 on failure 63 * Returns pty file descriptor, or -1 on failure
65 * If successful, ttydev is set to the name of the slave device. 64 * If successful, ttydev is set to the name of the slave device.
66 * fd_tty _may_ also be set to an open fd to the slave device 65 * fd_tty _may_ also be set to an open fd to the slave device
67 */ 66 */
68/* EXTPROTO */ 67static int
69int
70rxvt_get_pty(int *fd_tty, const char **ttydev) 68get_pty (int *fd_tty, char **ttydev)
71{ 69{
72 int pfd; 70 int pfd;
73 71
74#ifdef PTYS_ARE_OPENPTY 72#ifdef PTYS_ARE_OPENPTY
75 char tty_name[sizeof "/dev/pts/????\0"]; 73 char tty_name[sizeof "/dev/pts/????\0"];
76 74
75 rxvt_privileges(RESTORE);
77 if (openpty(&pfd, fd_tty, tty_name, NULL, NULL) != -1) { 76 int res = openpty (&pfd, fd_tty, tty_name, NULL, NULL);
77 rxvt_privileges(IGNORE);
78
79 if (res != -1)
80 {
78 *ttydev = strdup(tty_name); 81 *ttydev = strdup (tty_name);
79 return pfd; 82 return pfd;
80 } 83 }
81#endif 84#endif
82 85
83#ifdef PTYS_ARE__GETPTY 86#ifdef PTYS_ARE__GETPTY
84 *ttydev = _getpty(&pfd, O_RDWR | O_NONBLOCK | O_NOCTTY, 0622, 0); 87 *ttydev = _getpty (&pfd, O_RDWR | O_NONBLOCK | O_NOCTTY, 0622, 0);
85 if (*ttydev != NULL) 88 if (*ttydev != NULL)
86 return pfd;
87#endif
88
89#ifdef PTYS_ARE_GETPTY
90 char *ptydev;
91
92 while ((ptydev = getpty()) != NULL)
93 if ((pfd = open(ptydev, O_RDWR | O_NOCTTY, 0)) >= 0) {
94 *ttydev = ptydev;
95 return pfd; 89 return pfd;
96 }
97#endif 90#endif
98 91
99#if defined(HAVE_GRANTPT) && defined(HAVE_UNLOCKPT) 92#if defined(HAVE_GRANTPT) && defined(HAVE_UNLOCKPT)
100# if defined(PTYS_ARE_GETPT) || defined(PTYS_ARE_PTMX) 93# if defined(PTYS_ARE_GETPT) || defined(PTYS_ARE_PTMX)
94
101 { 95 {
102# ifdef PTYS_ARE_GETPT 96# ifdef PTYS_ARE_GETPT
103 pfd = getpt(); 97 pfd = getpt ();
104# else 98# else
105 pfd = open("/dev/ptmx", O_RDWR | O_NOCTTY, 0); 99 pfd = open ("/dev/ptmx", O_RDWR | O_NOCTTY, 0);
106# endif 100# endif
101
107 if (pfd >= 0) { 102 if (pfd >= 0)
103 {
108 if (grantpt(pfd) == 0 /* change slave permissions */ 104 if (grantpt (pfd) == 0 /* change slave permissions */
109 && unlockpt(pfd) == 0) { /* slave now unlocked */ 105 && unlockpt (pfd) == 0)
106 { /* slave now unlocked */
110 *ttydev = ptsname(pfd); /* get slave's name */ 107 *ttydev = strdup (ptsname (pfd)); /* get slave's name */
111 return pfd; 108 return pfd;
112 } 109 }
113 close(pfd); 110 close (pfd);
114 }
115 } 111 }
112 }
116# endif 113# endif
117#endif 114#endif
118 115
119#ifdef PTYS_ARE_PTC 116#ifdef PTYS_ARE_PTC
120 if ((pfd = open("/dev/ptc", O_RDWR | O_NOCTTY, 0)) >= 0) { 117 if ((pfd = open ("/dev/ptc", O_RDWR | O_NOCTTY, 0)) >= 0)
121 *ttydev = ttyname(pfd); 118 {
119 *ttydev = strdup (ttyname (pfd));
122 return pfd; 120 return pfd;
123 } 121 }
124#endif 122#endif
125 123
126#ifdef PTYS_ARE_CLONE 124#ifdef PTYS_ARE_CLONE
127 if ((pfd = open("/dev/ptym/clone", O_RDWR | O_NOCTTY, 0)) >= 0) { 125 if ((pfd = open ("/dev/ptym/clone", O_RDWR | O_NOCTTY, 0)) >= 0)
128 *ttydev = ptsname(pfd); 126 {
127 *ttydev = strdup (ptsname (pfd));
129 return pfd; 128 return pfd;
130 } 129 }
131#endif 130#endif
132 131
133#ifdef PTYS_ARE_NUMERIC 132#ifdef PTYS_ARE_NUMERIC
134 { 133 {
135 int idx; 134 int idx;
136 char *c1, *c2; 135 char *c1, *c2;
137 char pty_name[] = "/dev/ptyp???"; 136 char pty_name[] = "/dev/ptyp???";
138 char tty_name[] = "/dev/ttyp???"; 137 char tty_name[] = "/dev/ttyp???";
139 138
140 c1 = &(pty_name[sizeof(pty_name) - 4]); 139 c1 = &(pty_name[sizeof (pty_name) - 4]);
141 c2 = &(tty_name[sizeof(tty_name) - 4]); 140 c2 = &(tty_name[sizeof (tty_name) - 4]);
142 for (idx = 0; idx < 256; idx++) { 141 for (idx = 0; idx < 256; idx++)
142 {
143 sprintf(c1, "%d", idx); 143 sprintf (c1, "%d", idx);
144 sprintf(c2, "%d", idx); 144 sprintf (c2, "%d", idx);
145 if (access(tty_name, F_OK) < 0) { 145 if (access (tty_name, F_OK) < 0)
146 idx = 256; 146 {
147 break; 147 idx = 256;
148 } 148 break;
149 }
150
149 if ((pfd = open(pty_name, O_RDWR | O_NOCTTY, 0)) >= 0) { 151 if ((pfd = open (pty_name, O_RDWR | O_NOCTTY, 0)) >= 0)
152 {
150 if (access(tty_name, R_OK | W_OK) == 0) { 153 if (access (tty_name, R_OK | W_OK) == 0)
154 {
151 *ttydev = strdup(tty_name); 155 *ttydev = strdup (tty_name);
152 return pfd; 156 return pfd;
153 } 157 }
154 close(pfd); 158
155 } 159 close (pfd);
156 } 160 }
157 } 161 }
162 }
158#endif 163#endif
164
159#ifdef PTYS_ARE_SEARCHED 165#ifdef PTYS_ARE_SEARCHED
160 { 166 {
161 const char *c1, *c2; 167 const char *c1, *c2;
162 char pty_name[] = "/dev/pty??"; 168 char pty_name[] = "/dev/pty??";
163 char tty_name[] = "/dev/tty??"; 169 char tty_name[] = "/dev/tty??";
164 170
165# ifndef PTYCHAR1 171# ifndef PTYCHAR1
166# define PTYCHAR1 "pqrstuvwxyz" 172# define PTYCHAR1 "pqrstuvwxyz"
167# endif 173# endif
168# ifndef PTYCHAR2 174# ifndef PTYCHAR2
169# define PTYCHAR2 "0123456789abcdef" 175# define PTYCHAR2 "0123456789abcdef"
170# endif 176# endif
177
171 for (c1 = PTYCHAR1; *c1; c1++) { 178 for (c1 = PTYCHAR1; *c1; c1++)
179 {
172 pty_name[(sizeof(pty_name) - 3)] = 180 pty_name[ (sizeof (pty_name) - 3)] =
173 tty_name[(sizeof(pty_name) - 3)] = *c1; 181 tty_name[ (sizeof (pty_name) - 3)] = *c1;
174 for (c2 = PTYCHAR2; *c2; c2++) { 182 for (c2 = PTYCHAR2; *c2; c2++)
183 {
175 pty_name[(sizeof(pty_name) - 2)] = 184 pty_name[ (sizeof (pty_name) - 2)] =
176 tty_name[(sizeof(pty_name) - 2)] = *c2; 185 tty_name[ (sizeof (pty_name) - 2)] = *c2;
177 if ((pfd = open(pty_name, O_RDWR | O_NOCTTY, 0)) >= 0) { 186 if ((pfd = open (pty_name, O_RDWR | O_NOCTTY, 0)) >= 0)
187 {
178 if (access(tty_name, R_OK | W_OK) == 0) { 188 if (access (tty_name, R_OK | W_OK) == 0)
179 *ttydev = strdup(tty_name); 189 {
180 return pfd; 190 *ttydev = strdup (tty_name);
181 } 191 return pfd;
182 close(pfd); 192 }
183 } 193
184 } 194 close (pfd);
185 } 195 }
196 }
186 } 197 }
198 }
187#endif 199#endif
200
188 return -1; 201 return -1;
189} 202}
190 203
191/*----------------------------------------------------------------------*/ 204/*----------------------------------------------------------------------*/
192/* 205/*
193 * Returns tty file descriptor, or -1 on failure 206 * Returns tty file descriptor, or -1 on failure
194 */ 207 */
195/* EXTPROTO */ 208static int
196int
197rxvt_get_tty(const char *ttydev) 209get_tty (char *ttydev)
198{ 210{
199 return open(ttydev, O_RDWR | O_NOCTTY, 0); 211 return open (ttydev, O_RDWR | O_NOCTTY, 0);
200} 212}
201 213
202/*----------------------------------------------------------------------*/ 214/*----------------------------------------------------------------------*/
203/* 215/*
204 * Make our tty a controlling tty so that /dev/tty points to us 216 * Make our tty a controlling tty so that /dev/tty points to us
205 */ 217 */
206/* EXTPROTO */ 218static int
207int
208rxvt_control_tty(int fd_tty, const char *ttydev) 219control_tty (int fd_tty, const char *ttydev)
209{ 220{
210#ifndef __QNX__ 221#ifndef __QNX__
211 int fd; 222 int fd;
212 223
213 D_TTY((stderr, "rxvt_control_tty(): pid: %d, tty fd: %d, dev: %s", getpid(), fd_tty, ttydev));
214/* ---------------------------------------- */ 224 /* ---------------------------------------- */
215# ifdef HAVE_SETSID 225# ifdef HAVE_SETSID
216 setsid(); 226 setsid ();
217# endif 227# endif
218# if defined(HAVE_SETPGID) 228# if defined(HAVE_SETPGID)
219 setpgid(0, 0); 229 setpgid (0, 0);
220# elif defined(HAVE_SETPGRP) 230# elif defined(HAVE_SETPGRP)
221 setpgrp(0, 0); 231 setpgrp (0, 0);
222# endif 232# endif
233
223/* ---------------------------------------- */ 234 /* ---------------------------------------- */
224# ifdef TIOCNOTTY 235# ifdef TIOCNOTTY
225 fd = open("/dev/tty", O_RDWR | O_NOCTTY); 236 fd = open ("/dev/tty", O_RDWR | O_NOCTTY);
226 D_TTY((stderr, "rxvt_control_tty(): Voiding tty associations: previous=%s", fd < 0 ? "no" : "yes"));
227 if (fd >= 0) { 237 if (fd >= 0)
238 {
228 ioctl(fd, TIOCNOTTY, NULL); /* void tty associations */ 239 ioctl (fd, TIOCNOTTY, NULL); /* void tty associations */
229 close(fd); 240 close (fd);
230 } 241 }
231# endif 242# endif
243
232/* ---------------------------------------- */ 244 /* ---------------------------------------- */
233 fd = open("/dev/tty", O_RDWR | O_NOCTTY); 245 fd = open ("/dev/tty", O_RDWR | O_NOCTTY);
234 D_TTY((stderr, "rxvt_control_tty(): /dev/tty has controlling tty? %s", fd < 0 ? "no (good)" : "yes (bad)"));
235 if (fd >= 0) 246 if (fd >= 0)
236 close(fd); /* ouch: still have controlling tty */ 247 close (fd); /* ouch: still have controlling tty */
248
237/* ---------------------------------------- */ 249 /* ---------------------------------------- */
238#if defined(PTYS_ARE_PTMX) && defined(I_PUSH) 250#if defined(PTYS_ARE_PTMX) && defined(I_PUSH)
239/* 251 /*
240 * Push STREAMS modules: 252 * Push STREAMS modules:
241 * ptem: pseudo-terminal hardware emulation module. 253 * ptem: pseudo-terminal hardware emulation module.
242 * ldterm: standard terminal line discipline. 254 * ldterm: standard terminal line discipline.
243 * ttcompat: V7, 4BSD and XENIX STREAMS compatibility module. 255 * ttcompat: V7, 4BSD and XENIX STREAMS compatibility module.
244 * 256 *
245 * After we push the STREAMS modules, the first open() on the slave side 257 * After we push the STREAMS modules, the first open () on the slave side
246 * (i.e. the next section between the dashes giving us "tty opened OK") 258 * (i.e. the next section between the dashes giving us "tty opened OK")
247 * should make the "ptem" (or "ldterm" depending upon either which OS 259 * should make the "ptem" (or "ldterm" depending upon either which OS
248 * version or which set of manual pages you have) module give us a 260 * version or which set of manual pages you have) module give us a
249 * controlling terminal. We must already have close()d the master side 261 * controlling terminal. We must already have close ()d the master side
250 * fd in this child process before we push STREAMS modules on because the 262 * fd in this child process before we push STREAMS modules on because the
251 * documentation is really unclear about whether it is any close() on 263 * documentation is really unclear about whether it is any close () on
252 * the master side or the last close() - i.e. a proper STREAMS dismantling 264 * the master side or the last close () - i.e. a proper STREAMS dismantling
253 * close() - on the master side which causes a hang up to be sent 265 * close () - on the master side which causes a hang up to be sent
254 * through - Geoff Wing 266 * through - Geoff Wing
255 */ 267 */
256# ifdef HAVE_ISASTREAM 268# ifdef HAVE_ISASTREAM
257 if (isastream(fd_tty) == 1) 269 if (isastream (fd_tty) == 1)
258# endif
259 {
260 D_TTY((stderr, "rxvt_control_tty(): Pushing STREAMS modules"));
261 ioctl(fd_tty, I_PUSH, "ptem");
262 ioctl(fd_tty, I_PUSH, "ldterm");
263 ioctl(fd_tty, I_PUSH, "ttcompat");
264 }
265#endif 270# endif
271 {
272 ioctl (fd_tty, I_PUSH, "ptem");
273 ioctl (fd_tty, I_PUSH, "ldterm");
274 ioctl (fd_tty, I_PUSH, "ttcompat");
275 }
276#endif
266/* ---------------------------------------- */ 277 /* ---------------------------------------- */
267# if defined(TIOCSCTTY) 278# if defined(TIOCSCTTY)
268 fd = ioctl(fd_tty, TIOCSCTTY, NULL); 279 fd = ioctl (fd_tty, TIOCSCTTY, NULL);
269 D_TTY((stderr, "rxvt_control_tty(): ioctl(..,TIOCSCTTY): %d", fd));
270# elif defined(TIOCSETCTTY) 280# elif defined(TIOCSETCTTY)
271 fd = ioctl(fd_tty, TIOCSETCTTY, NULL); 281 fd = ioctl (fd_tty, TIOCSETCTTY, NULL);
272 D_TTY((stderr, "rxvt_control_tty(): ioctl(..,TIOCSETCTTY): %d", fd));
273# else 282# else
274 fd = open(ttydev, O_RDWR); 283 fd = open (ttydev, O_RDWR);
275 D_TTY((stderr, "rxvt_control_tty(): tty open%s", fd < 0 ? " failure" : "ed OK"));
276 if (fd >= 0) 284 if (fd >= 0)
277 close(fd); 285 close (fd);
278# endif 286# endif
279/* ---------------------------------------- */ 287 /* ---------------------------------------- */
280 fd = open("/dev/tty", O_WRONLY); 288 fd = open ("/dev/tty", O_WRONLY);
281 D_TTY((stderr, "rxvt_control_tty(): do we have controlling tty now: %s", fd < 0 ? "no (fatal)" : "yes (good)"));
282 if (fd < 0) 289 if (fd < 0)
283 return -1; /* fatal */ 290 return -1; /* fatal */
284 close(fd); 291 close (fd);
285/* ---------------------------------------- */ 292 /* ---------------------------------------- */
286 D_TTY((stderr, "rxvt_control_tty(): tcgetpgrp(): %d getpgrp(): %d", tcgetpgrp(fd_tty), getpgrp()));
287/* ---------------------------------------- */
288#endif /* ! __QNX__ */ 293#endif /* ! __QNX__ */
294
289 return 0; 295 return 0;
290} 296}
297
298#ifndef NO_SETOWNER_TTYDEV
299static struct ttyconf {
300 gid_t gid;
301 mode_t mode;
302
303 ttyconf ()
304 {
305#ifdef TTY_GID_SUPPORT
306 struct group *gr = getgrnam ("tty");
307
308 if (gr)
309 { /* change group ownership of tty to "tty" */
310 mode = S_IRUSR | S_IWUSR | S_IWGRP;
311 gid = gr->gr_gid;
312 }
313 else
314#endif /* TTY_GID_SUPPORT */
315 {
316 mode = S_IRUSR | S_IWUSR | S_IWGRP | S_IWOTH;
317 gid = getgid ();
318 }
319 }
320} ttyconf;
321
322void
323rxvt_ptytty::privileges (rxvt_privaction action)
324{
325 if (!name || !*name)
326 return;
327
328 rxvt_privileges (RESTORE);
329
330 if (action == SAVE)
331 {
332# ifndef RESET_TTY_TO_COMMON_DEFAULTS
333 /* store original tty status for restoration rxvt_clean_exit () -- rgg 04/12/95 */
334 if (lstat (name, &savestat) < 0) /* you lose out */
335 ;
336 else
337# endif
338 {
339 saved = true;
340 chown (name, getuid (), ttyconf.gid); /* fail silently */
341 chmod (name, ttyconf.mode);
342# ifdef HAVE_REVOKE
343 revoke (name);
344# endif
345 }
346 }
347 else
348 { /* action == RESTORE */
349# ifndef RESET_TTY_TO_COMMON_DEFAULTS
350 if (saved)
351 {
352 chmod (name, savestat.st_mode);
353 chown (name, savestat.st_uid, savestat.st_gid);
354 }
355# else
356 chmod (name, (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
357 chown (name, 0, 0);
358# endif
359
360 }
361
362 rxvt_privileges (IGNORE);
363}
364#endif
365
366rxvt_ptytty::rxvt_ptytty ()
367{
368 pty = tty = -1;
369 name = 0;
370#ifndef NO_SETOWNER_TTYDEV
371 saved = false;
372#endif
373}
374
375rxvt_ptytty::~rxvt_ptytty ()
376{
377 put ();
378}
379
380void
381
382rxvt_ptytty::close_tty ()
383{
384 if (tty < 0)
385 return;
386
387 close (tty);
388 tty = -1;
389}
390
391void
392rxvt_ptytty::put ()
393{
394#ifndef NO_SETOWNER_TTYDEV
395 privileges (RESTORE);
396#endif
397
398 if (pty >= 0) close (pty);
399 close_tty ();
400 free (name);
401
402 pty = tty = -1;
403 name = 0;
404}
405
406bool
407rxvt_ptytty::make_controlling_tty ()
408{
409 return control_tty (tty, name) >= 0;
410}
411
412bool
413rxvt_ptytty::get ()
414{
415 /* get master (pty) */
416 if ((pty = get_pty (&tty, &name)) < 0)
417 return false;
418
419 fcntl (pty, F_SETFL, O_NONBLOCK);
420
421 /* get slave (tty) */
422 if (tty < 0)
423 {
424#ifndef NO_SETOWNER_TTYDEV
425 privileges (SAVE);
426#endif
427
428 if ((tty = get_tty (name)) < 0)
429 {
430 put ();
431 return false;
432 }
433 }
434
435 return true;
436}
437
438void
439rxvt_ptytty::set_utf8_mode (bool on)
440{
441#ifdef IUTF8
442 if (pty < 0)
443 return;
444
445 struct termios tio;
446
447 if (tcgetattr (pty, &tio) != -1)
448 {
449 tcflag_t new_cflag = tio.c_iflag;
450
451 if (on)
452 new_cflag |= IUTF8;
453 else
454 new_cflag &= ~IUTF8;
455
456 if (new_cflag != tio.c_iflag)
457 {
458 tio.c_iflag = new_cflag;
459 tcsetattr (pty, TCSANOW, &tio);
460 }
461 }
462#endif
463}
464
291/*----------------------- end-of-file (C source) -----------------------*/ 465/*----------------------- end-of-file (C source) -----------------------*/
466

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