126 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			126 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C
		
	
	
	
| /* Copyright (c) 2016 Phoenix Systems
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|    All rights reserved.
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| 
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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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| 
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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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| 
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| #include "syscall.h"
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| 
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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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| 
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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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| 
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| 	return ret;
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| }
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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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| 
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| 	return ret;
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| }
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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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| 
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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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| 
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| 	return ret;
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| }
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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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| 
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| 	return ret;
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| }
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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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| 
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| 	return ret;
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| }
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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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| 
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| 	return ret;
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| }
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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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| 
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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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