termios.h

最早的linux操作系统源代码（3）

#ifndef _TERMIOS_H
#define _TERMIOS_H

#define TTY_BUF_SIZE 1024

/* 0x54 is just a magic number to make these relatively uniqe ('T') */

#define TCGETS		0x5401
#define TCSETS		0x5402
#define TCSETSW		0x5403
#define TCSETSF		0x5404
#define TCGETA		0x5405
#define TCSETA		0x5406
#define TCSETAW		0x5407
#define TCSETAF		0x5408
#define TCSBRK		0x5409
#define TCXONC		0x540A
#define TCFLSH		0x540B
#define TIOCEXCL	0x540C
#define TIOCNXCL	0x540D
#define TIOCSCTTY	0x540E
#define TIOCGPGRP	0x540F
#define TIOCSPGRP	0x5410
#define TIOCOUTQ	0x5411
#define TIOCSTI		0x5412
#define TIOCGWINSZ	0x5413
#define TIOCSWINSZ	0x5414
#define TIOCMGET	0x5415
#define TIOCMBIS	0x5416
#define TIOCMBIC	0x5417
#define TIOCMSET	0x5418
#define TIOCGSOFTCAR	0x5419
#define TIOCSSOFTCAR	0x541A

struct winsize {
	unsigned short ws_row;
	unsigned short ws_col;
	unsigned short ws_xpixel;
	unsigned short ws_ypixel;
};

#define NCC 8
struct termio {
	unsigned short c_iflag;		/* input mode flags */
	unsigned short c_oflag;		/* output mode flags */
	unsigned short c_cflag;		/* control mode flags */
	unsigned short c_lflag;		/* local mode flags */
	unsigned char c_line;		/* line discipline */
	unsigned char c_cc[NCC];	/* control characters */
};

#define NCCS 17
struct termios {
	unsigned long c_iflag;		/* input mode flags */
	unsigned long c_oflag;		/* output mode flags */
	unsigned long c_cflag;		/* control mode flags */
	unsigned long c_lflag;		/* local mode flags */
	unsigned char c_line;		/* line discipline */
	unsigned char c_cc[NCCS];	/* control characters */
};

/* c_cc characters */
#define VINTR 0
#define VQUIT 1
#define VERASE 2
#define VKILL 3
#define VEOF 4
#define VTIME 5
#define VMIN 6
#define VSWTC 7
#define VSTART 8
#define VSTOP 9
#define VSUSP 10
#define VEOL 11
#define VREPRINT 12
#define VDISCARD 13
#define VWERASE 14
#define VLNEXT 15
#define VEOL2 16

/* c_iflag bits */
#define IGNBRK	0000001
#define BRKINT	0000002
#define IGNPAR	0000004
#define PARMRK	0000010
#define INPCK	0000020
#define ISTRIP	0000040
#define INLCR	0000100
#define IGNCR	0000200
#define ICRNL	0000400
#define IUCLC	0001000
#define IXON	0002000
#define IXANY	0004000
#define IXOFF	0010000
#define IMAXBEL	0020000

/* c_oflag bits */
#define OPOST	0000001
#define OLCUC	0000002
#define ONLCR	0000004
#define OCRNL	0000010
#define ONOCR	0000020
#define ONLRET	0000040
#define OFILL	0000100
#define OFDEL	0000200
#define NLDLY	0000400
#define   NL0	0000000
#define   NL1	0000400
#define CRDLY	0003000
#define   CR0	0000000
#define   CR1	0001000
#define   CR2	0002000
#define   CR3	0003000
#define TABDLY	0014000
#define   TAB0	0000000
#define   TAB1	0004000
#define   TAB2	0010000
#define   TAB3	0014000
#define   XTABS	0014000
#define BSDLY	0020000
#define   BS0	0000000
#define   BS1	0020000
#define VTDLY	0040000
#define   VT0	0000000
#define   VT1	0040000
#define FFDLY	0040000
#define   FF0	0000000
#define   FF1	0040000

/* c_cflag bit meaning */
#define CBAUD	0000017
#define  B0	0000000		/* hang up */
#define  B50	0000001
#define  B75	0000002
#define  B110	0000003
#define  B134	0000004
#define  B150	0000005
#define  B200	0000006
#define  B300	0000007
#define  B600	0000010
#define  B1200	0000011
#define  B1800	0000012
#define  B2400	0000013
#define  B4800	0000014
#define  B9600	0000015
#define  B19200	0000016
#define  B38400	0000017
#define CSIZE	0000060
#define   CS5	0000000
#define   CS6	0000020
#define   CS7	0000040
#define   CS8	0000060
#define CSTOPB	0000100
#define CREAD	0000200
#define CPARENB	0000400
#define CPARODD	0001000
#define HUPCL	0002000
#define CLOCAL	0004000
#define CIBAUD	03600000		/* input baud rate (not used) */
#define CRTSCTS	020000000000		/* flow control */

/* c_lflag bits */
#define ISIG	0000001
#define ICANON	0000002
#define XCASE	0000004
#define ECHO	0000010
#define ECHOE	0000020
#define ECHOK	0000040
#define ECHONL	0000100
#define NOFLSH	0000200
#define TOSTOP	0000400
#define ECHOCTL	0001000
#define ECHOPRT	0002000
#define ECHOKE	0004000
#define FLUSHO	0010000
#define PENDIN	0040000
#define IEXTEN	0100000

/* modem lines */
#define TIOCM_LE	0x001
#define TIOCM_DTR	0x002
#define TIOCM_RTS	0x004
#define TIOCM_ST	0x008
#define TIOCM_SR	0x010
#define TIOCM_CTS	0x020
#define TIOCM_CAR	0x040
#define TIOCM_RNG	0x080
#define TIOCM_DSR	0x100
#define TIOCM_CD	TIOCM_CAR
#define TIOCM_RI	TIOCM_RNG

/* tcflow() and TCXONC use these */
#define	TCOOFF		0
#define	TCOON		1
#define	TCIOFF		2
#define	TCION		3

/* tcflush() and TCFLSH use these */
#define	TCIFLUSH	0
#define	TCOFLUSH	1
#define	TCIOFLUSH	2

/* tcsetattr uses these */
#define	TCSANOW		0
#define	TCSADRAIN	1
#define	TCSAFLUSH	2

typedef int speed_t;

extern speed_t cfgetispeed(struct termios *termios_p);
extern speed_t cfgetospeed(struct termios *termios_p);
extern int cfsetispeed(struct termios *termios_p, speed_t speed);
extern int cfsetospeed(struct termios *termios_p, speed_t speed);
extern int tcdrain(int fildes);
extern int tcflow(int fildes, int action);
extern int tcflush(int fildes, int queue_selector);
extern int tcgetattr(int fildes, struct termios *termios_p);
extern int tcsendbreak(int fildes, int duration);
extern int tcsetattr(int fildes, int optional_actions,
	struct termios *termios_p);

#endif