126 lines
2.6 KiB
C
126 lines
2.6 KiB
C
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/* Copyright (c) 2016 Phoenix Systems
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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SUCH DAMAGE.*/
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#include "syscall.h"
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#include <errno.h>
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#include <sys/ioctl.h>
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#include <sys/termios.h>
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int _isatty(int fd)
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{
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int ret = syscall1(int, SYS_ISATTY, fd);
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if (ret < 0) {
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errno = -ret;
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return -1;
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}
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return ret;
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}
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int tcgetattr(int fd, struct termios *termios_p)
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{
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int ret = ioctl(fd, TCGETS, termios_p);
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if (ret < 0) {
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errno = -ret;
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return -1;
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}
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return ret;
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}
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int tcsetattr(int fd, int mode, const struct termios *termios_p)
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{
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int cmd;
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switch (mode) {
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case TCSANOW:
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cmd = TCSETS;
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break;
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case TCSADRAIN:
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cmd = TCSETSW;
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break;
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case TCSAFLUSH:
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cmd = TCSETSF;
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break;
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default:
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errno = EINVAL;
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return -1;
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}
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int ret = ioctl(fd, cmd, termios_p);
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if (ret < 0) {
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errno = -ret;
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return -1;
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}
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return ret;
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}
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int tcsendbreak(int fd, int duration)
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{
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int ret = ioctl(fd, TCSBRK, duration);
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if (ret < 0) {
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errno = -ret;
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return -1;
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}
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return ret;
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}
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int tcflush(int fd, int queue_selector)
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{
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int ret = ioctl(fd, TCFLSH, queue_selector);
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if (ret < 0) {
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errno = -ret;
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return -1;
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}
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return ret;
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}
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int tcdrain(int fd)
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{
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int ret = ioctl(fd, TCDRAIN, 0);
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if (ret < 0) {
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errno = -ret;
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return -1;
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}
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return ret;
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}
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pid_t tcgetsid(int fd)
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{
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/* TODO: implement. */
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errno = ENOSYS;
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return -1;
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}
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int tcsetpgrp(int fd, pid_t pgrp)
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{
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/* TODO: implement. */
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errno = ENOSYS;
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return -1;
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}
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