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9385eb3d | 1 | /*- |
e9ce8d39 A |
2 | * Copyright (c) 1989, 1993 |
3 | * The Regents of the University of California. All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
8 | * 1. Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * 2. Redistributions in binary form must reproduce the above copyright | |
11 | * notice, this list of conditions and the following disclaimer in the | |
12 | * documentation and/or other materials provided with the distribution. | |
e9ce8d39 A |
13 | * 4. Neither the name of the University nor the names of its contributors |
14 | * may be used to endorse or promote products derived from this software | |
15 | * without specific prior written permission. | |
16 | * | |
17 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
27 | * SUCH DAMAGE. | |
28 | */ | |
29 | ||
9385eb3d A |
30 | #if defined(LIBC_SCCS) && !defined(lint) |
31 | static char sccsid[] = "@(#)termios.c 8.2 (Berkeley) 2/21/94"; | |
32 | #endif /* LIBC_SCCS and not lint */ | |
33 | #include <sys/cdefs.h> | |
1f2f436a | 34 | __FBSDID("$FreeBSD: src/lib/libc/gen/termios.c,v 1.16 2009/05/07 13:49:48 ed Exp $"); |
e9ce8d39 | 35 | |
ad3c9f2a A |
36 | #if __DARWIN_UNIX03 |
37 | #ifdef VARIANT_CANCELABLE | |
38 | #include <pthread.h> | |
ad3c9f2a A |
39 | #endif /* VARIANT_CANCELABLE */ |
40 | #endif /* __DARWIN_UNIX03 */ | |
41 | ||
9385eb3d | 42 | #include "namespace.h" |
e9ce8d39 | 43 | #include <sys/types.h> |
9385eb3d | 44 | #include <sys/fcntl.h> |
e9ce8d39 | 45 | #include <sys/ioctl.h> |
e9ce8d39 | 46 | #include <sys/time.h> |
e9ce8d39 A |
47 | |
48 | #include <errno.h> | |
e9ce8d39 A |
49 | #include <termios.h> |
50 | #include <unistd.h> | |
9385eb3d | 51 | #include "un-namespace.h" |
e9ce8d39 | 52 | |
ad3c9f2a | 53 | #ifndef BUILDING_VARIANT |
e9ce8d39 A |
54 | int |
55 | tcgetattr(fd, t) | |
56 | int fd; | |
57 | struct termios *t; | |
58 | { | |
59 | ||
9385eb3d | 60 | return (_ioctl(fd, TIOCGETA, t)); |
e9ce8d39 A |
61 | } |
62 | ||
63 | int | |
64 | tcsetattr(fd, opt, t) | |
65 | int fd, opt; | |
66 | const struct termios *t; | |
67 | { | |
68 | struct termios localterm; | |
69 | ||
70 | if (opt & TCSASOFT) { | |
71 | localterm = *t; | |
72 | localterm.c_cflag |= CIGNORE; | |
73 | t = &localterm; | |
74 | } | |
75 | switch (opt & ~TCSASOFT) { | |
76 | case TCSANOW: | |
9385eb3d | 77 | return (_ioctl(fd, TIOCSETA, t)); |
e9ce8d39 | 78 | case TCSADRAIN: |
9385eb3d | 79 | return (_ioctl(fd, TIOCSETAW, t)); |
e9ce8d39 | 80 | case TCSAFLUSH: |
9385eb3d | 81 | return (_ioctl(fd, TIOCSETAF, t)); |
e9ce8d39 A |
82 | default: |
83 | errno = EINVAL; | |
84 | return (-1); | |
85 | } | |
86 | } | |
87 | ||
88 | int | |
e9ce8d39 | 89 | tcsetpgrp(int fd, pid_t pgrp) |
e9ce8d39 A |
90 | { |
91 | int s; | |
92 | ||
ad3c9f2a A |
93 | if (isatty(fd) == 0) |
94 | return (-1); | |
95 | ||
e9ce8d39 | 96 | s = pgrp; |
9385eb3d | 97 | return (_ioctl(fd, TIOCSPGRP, &s)); |
e9ce8d39 A |
98 | } |
99 | ||
100 | pid_t | |
101 | tcgetpgrp(fd) | |
9385eb3d | 102 | int fd; |
e9ce8d39 A |
103 | { |
104 | int s; | |
105 | ||
ad3c9f2a A |
106 | if (isatty(fd) == 0) |
107 | return ((pid_t)-1); | |
108 | ||
9385eb3d | 109 | if (_ioctl(fd, TIOCGPGRP, &s) < 0) |
e9ce8d39 A |
110 | return ((pid_t)-1); |
111 | ||
112 | return ((pid_t)s); | |
113 | } | |
114 | ||
ad3c9f2a | 115 | #if 0 // Needs API review first |
1f2f436a A |
116 | pid_t |
117 | tcgetsid(int fd) | |
118 | { | |
119 | int s; | |
120 | ||
121 | if (_ioctl(fd, TIOCGSID, &s) < 0) | |
122 | return ((pid_t)-1); | |
123 | ||
124 | return ((pid_t)s); | |
125 | } | |
126 | ||
127 | int | |
128 | tcsetsid(int fd, pid_t pid) | |
129 | { | |
130 | ||
131 | if (pid != getsid(0)) { | |
132 | errno = EINVAL; | |
133 | return (-1); | |
134 | } | |
135 | ||
136 | return (_ioctl(fd, TIOCSCTTY, NULL)); | |
137 | } | |
ad3c9f2a | 138 | #endif |
1f2f436a | 139 | |
e9ce8d39 A |
140 | speed_t |
141 | cfgetospeed(t) | |
142 | const struct termios *t; | |
143 | { | |
144 | ||
145 | return (t->c_ospeed); | |
146 | } | |
147 | ||
148 | speed_t | |
149 | cfgetispeed(t) | |
150 | const struct termios *t; | |
151 | { | |
152 | ||
153 | return (t->c_ispeed); | |
154 | } | |
155 | ||
156 | int | |
157 | cfsetospeed(t, speed) | |
158 | struct termios *t; | |
159 | speed_t speed; | |
160 | { | |
161 | ||
162 | t->c_ospeed = speed; | |
163 | return (0); | |
164 | } | |
165 | ||
166 | int | |
167 | cfsetispeed(t, speed) | |
168 | struct termios *t; | |
169 | speed_t speed; | |
170 | { | |
171 | ||
172 | t->c_ispeed = speed; | |
173 | return (0); | |
174 | } | |
175 | ||
176 | int | |
177 | cfsetspeed(t, speed) | |
178 | struct termios *t; | |
179 | speed_t speed; | |
180 | { | |
181 | ||
182 | t->c_ispeed = t->c_ospeed = speed; | |
183 | return (0); | |
184 | } | |
185 | ||
186 | /* | |
187 | * Make a pre-existing termios structure into "raw" mode: character-at-a-time | |
188 | * mode with no characters interpreted, 8-bit data path. | |
189 | */ | |
190 | void | |
191 | cfmakeraw(t) | |
192 | struct termios *t; | |
193 | { | |
194 | ||
9385eb3d A |
195 | t->c_iflag &= ~(IMAXBEL|IXOFF|INPCK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON|IGNPAR); |
196 | t->c_iflag |= IGNBRK; | |
e9ce8d39 | 197 | t->c_oflag &= ~OPOST; |
9385eb3d | 198 | t->c_lflag &= ~(ECHO|ECHOE|ECHOK|ECHONL|ICANON|ISIG|IEXTEN|NOFLSH|TOSTOP|PENDIN); |
e9ce8d39 | 199 | t->c_cflag &= ~(CSIZE|PARENB); |
9385eb3d A |
200 | t->c_cflag |= CS8|CREAD; |
201 | t->c_cc[VMIN] = 1; | |
202 | t->c_cc[VTIME] = 0; | |
e9ce8d39 A |
203 | } |
204 | ||
9385eb3d | 205 | int |
e9ce8d39 A |
206 | tcsendbreak(fd, len) |
207 | int fd, len; | |
208 | { | |
209 | struct timeval sleepytime; | |
210 | ||
211 | sleepytime.tv_sec = 0; | |
212 | sleepytime.tv_usec = 400000; | |
9385eb3d | 213 | if (_ioctl(fd, TIOCSBRK, 0) == -1) |
e9ce8d39 | 214 | return (-1); |
9385eb3d A |
215 | (void)_select(0, 0, 0, 0, &sleepytime); |
216 | if (_ioctl(fd, TIOCCBRK, 0) == -1) | |
e9ce8d39 A |
217 | return (-1); |
218 | return (0); | |
219 | } | |
ad3c9f2a | 220 | #endif /* BUILDING_VARIANT */ |
e9ce8d39 | 221 | |
9385eb3d A |
222 | int |
223 | __tcdrain(fd) | |
e9ce8d39 A |
224 | int fd; |
225 | { | |
ad3c9f2a A |
226 | #if __DARWIN_UNIX03 |
227 | #ifdef VARIANT_CANCELABLE | |
6465356a | 228 | pthread_testcancel(); |
ad3c9f2a A |
229 | #endif /* VARIANT_CANCELABLE */ |
230 | #endif /* __DARWIN_UNIX03 */ | |
9385eb3d | 231 | return (_ioctl(fd, TIOCDRAIN, 0)); |
e9ce8d39 A |
232 | } |
233 | ||
9385eb3d A |
234 | __weak_reference(__tcdrain, tcdrain); |
235 | __weak_reference(__tcdrain, _tcdrain); | |
236 | ||
ad3c9f2a | 237 | #ifndef BUILDING_VARIANT |
9385eb3d | 238 | int |
e9ce8d39 A |
239 | tcflush(fd, which) |
240 | int fd, which; | |
241 | { | |
242 | int com; | |
243 | ||
244 | switch (which) { | |
245 | case TCIFLUSH: | |
246 | com = FREAD; | |
247 | break; | |
248 | case TCOFLUSH: | |
249 | com = FWRITE; | |
250 | break; | |
251 | case TCIOFLUSH: | |
252 | com = FREAD | FWRITE; | |
253 | break; | |
254 | default: | |
255 | errno = EINVAL; | |
256 | return (-1); | |
257 | } | |
9385eb3d | 258 | return (_ioctl(fd, TIOCFLUSH, &com)); |
e9ce8d39 A |
259 | } |
260 | ||
9385eb3d | 261 | int |
e9ce8d39 A |
262 | tcflow(fd, action) |
263 | int fd, action; | |
264 | { | |
e9ce8d39 A |
265 | switch (action) { |
266 | case TCOOFF: | |
9385eb3d | 267 | return (_ioctl(fd, TIOCSTOP, 0)); |
e9ce8d39 | 268 | case TCOON: |
9385eb3d | 269 | return (_ioctl(fd, TIOCSTART, 0)); |
e9ce8d39 | 270 | case TCION: |
ad3c9f2a | 271 | return (_ioctl(fd, TIOCIXON, 0)); |
e9ce8d39 | 272 | case TCIOFF: |
ad3c9f2a | 273 | return (_ioctl(fd, TIOCIXOFF, 0)); |
e9ce8d39 A |
274 | default: |
275 | errno = EINVAL; | |
276 | return (-1); | |
277 | } | |
278 | /* NOTREACHED */ | |
279 | } | |
ad3c9f2a | 280 | #endif /* BUILDING_VARIANT */ |