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Serenity Operating System
1/*
2 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
3 * 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 are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
22 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <Kernel/Syscall.h>
28#include <assert.h>
29#include <errno.h>
30#include <sys/ioctl.h>
31#include <termios.h>
32
33extern "C" {
34
35int tcgetattr(int fd, struct termios* t)
36{
37 return ioctl(fd, TCGETS, t);
38}
39
40int tcsetattr(int fd, int optional_actions, const struct termios* t)
41{
42 switch (optional_actions) {
43 case TCSANOW:
44 return ioctl(fd, TCSETS, t);
45 case TCSADRAIN:
46 return ioctl(fd, TCSETSW, t);
47 case TCSAFLUSH:
48 return ioctl(fd, TCSETSF, t);
49 }
50 errno = EINVAL;
51 return -1;
52}
53
54int tcflow(int fd, int action)
55{
56 (void)fd;
57 (void)action;
58 ASSERT_NOT_REACHED();
59}
60
61int tcflush(int fd, int queue_selector)
62{
63 (void)fd;
64 (void)queue_selector;
65 ASSERT_NOT_REACHED();
66}
67
68speed_t cfgetispeed(const struct termios* tp)
69{
70 return tp->c_ispeed;
71}
72
73speed_t cfgetospeed(const struct termios* tp)
74{
75 return tp->c_ospeed;
76}
77}