1 | /* Copyright (c) 2016 Phoenix Systems |
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2 | All rights reserved. |
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3 | |
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4 | Redistribution and use in source and binary forms, with or without |
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5 | modification, are permitted provided that the following conditions |
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6 | are met: |
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7 | 1. Redistributions of source code must retain the above copyright |
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8 | notice, this list of conditions and the following disclaimer. |
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9 | 2. Redistributions in binary form must reproduce the above copyright |
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10 | notice, this list of conditions and the following disclaimer in the |
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11 | documentation and/or other materials provided with the distribution. |
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12 | |
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13 | THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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14 | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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15 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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16 | ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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17 | FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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18 | DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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19 | OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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20 | HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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21 | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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22 | OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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23 | SUCH DAMAGE.*/ |
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24 | |
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25 | #include "syscall.h" |
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26 | |
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27 | #include <errno.h> |
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28 | #include <sys/ioctl.h> |
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29 | #include <sys/termios.h> |
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30 | |
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31 | int _isatty(int fd) |
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32 | { |
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33 | int ret = syscall1(int, SYS_ISATTY, fd); |
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34 | if (ret < 0) { |
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35 | errno = -ret; |
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36 | return -1; |
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37 | } |
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38 | |
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39 | return ret; |
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40 | } |
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41 | |
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42 | int tcgetattr(int fd, struct termios *termios_p) |
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43 | { |
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44 | int ret = ioctl(fd, TCGETS, termios_p); |
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45 | if (ret < 0) { |
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46 | errno = -ret; |
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47 | return -1; |
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48 | } |
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49 | |
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50 | return ret; |
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51 | } |
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52 | |
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53 | int tcsetattr(int fd, int mode, const struct termios *termios_p) |
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54 | { |
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55 | int cmd; |
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56 | switch (mode) { |
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57 | case TCSANOW: |
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58 | cmd = TCSETS; |
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59 | break; |
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60 | case TCSADRAIN: |
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61 | cmd = TCSETSW; |
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62 | break; |
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63 | case TCSAFLUSH: |
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64 | cmd = TCSETSF; |
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65 | break; |
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66 | default: |
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67 | errno = EINVAL; |
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68 | return -1; |
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69 | } |
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70 | |
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71 | int ret = ioctl(fd, cmd, termios_p); |
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72 | if (ret < 0) { |
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73 | errno = -ret; |
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74 | return -1; |
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75 | } |
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76 | |
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77 | return ret; |
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78 | } |
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79 | |
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80 | int tcsendbreak(int fd, int duration) |
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81 | { |
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82 | int ret = ioctl(fd, TCSBRK, duration); |
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83 | if (ret < 0) { |
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84 | errno = -ret; |
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85 | return -1; |
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86 | } |
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87 | |
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88 | return ret; |
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89 | } |
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90 | |
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91 | int tcflush(int fd, int queue_selector) |
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92 | { |
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93 | int ret = ioctl(fd, TCFLSH, queue_selector); |
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94 | if (ret < 0) { |
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95 | errno = -ret; |
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96 | return -1; |
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97 | } |
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98 | |
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99 | return ret; |
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100 | } |
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101 | |
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102 | int tcdrain(int fd) |
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103 | { |
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104 | int ret = ioctl(fd, TCDRAIN, 0); |
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105 | if (ret < 0) { |
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106 | errno = -ret; |
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107 | return -1; |
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108 | } |
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109 | |
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110 | return ret; |
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111 | } |
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112 | |
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113 | pid_t tcgetsid(int fd) |
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114 | { |
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115 | /* TODO: implement. */ |
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116 | errno = ENOSYS; |
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117 | return -1; |
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118 | } |
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119 | |
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120 | int tcsetpgrp(int fd, pid_t pgrp) |
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121 | { |
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122 | /* TODO: implement. */ |
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123 | errno = ENOSYS; |
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124 | return -1; |
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125 | } |
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