cregit-Linux how code gets into the kernel

Release 4.14 arch/alpha/include/uapi/asm/termbits.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _ALPHA_TERMBITS_H

#define _ALPHA_TERMBITS_H

#include <linux/posix_types.h>


typedef unsigned char	cc_t;

typedef unsigned int	speed_t;

typedef unsigned int	tcflag_t;

/*
 * termios type and macro definitions.  Be careful about adding stuff
 * to this file since it's used in GNU libc and there are strict rules
 * concerning namespace pollution.
 */


#define NCCS 19

struct termios {
	
tcflag_t c_iflag;		/* input mode flags */
	
tcflag_t c_oflag;		/* output mode flags */
	
tcflag_t c_cflag;		/* control mode flags */
	
tcflag_t c_lflag;		/* local mode flags */
	
cc_t c_cc[NCCS];		/* control characters */
	
cc_t c_line;			/* line discipline (== c_cc[19]) */
	
speed_t c_ispeed;		/* input speed */
	
speed_t c_ospeed;		/* output speed */
};

/* Alpha has matching termios and ktermios */


struct ktermios {
	
tcflag_t c_iflag;		/* input mode flags */
	
tcflag_t c_oflag;		/* output mode flags */
	
tcflag_t c_cflag;		/* control mode flags */
	
tcflag_t c_lflag;		/* local mode flags */
	
cc_t c_cc[NCCS];		/* control characters */
	
cc_t c_line;			/* line discipline (== c_cc[19]) */
	
speed_t c_ispeed;		/* input speed */
	
speed_t c_ospeed;		/* output speed */
};

/* c_cc characters */

#define VEOF 0

#define VEOL 1

#define VEOL2 2

#define VERASE 3

#define VWERASE 4

#define VKILL 5

#define VREPRINT 6

#define VSWTC 7

#define VINTR 8

#define VQUIT 9

#define VSUSP 10

#define VSTART 12

#define VSTOP 13

#define VLNEXT 14

#define VDISCARD 15

#define VMIN 16

#define VTIME 17

/* 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 IXON	0001000

#define IXOFF	0002000

#define IXANY	0004000

#define IUCLC	0010000

#define IMAXBEL	0020000

#define IUTF8	0040000

/* c_oflag bits */

#define OPOST	0000001

#define ONLCR	0000002

#define OLCUC	0000004


#define OCRNL	0000010

#define ONOCR	0000020

#define ONLRET	0000040


#define OFILL	00000100

#define OFDEL	00000200

#define NLDLY	00001400

#define   NL0	00000000

#define   NL1	00000400

#define   NL2	00001000

#define   NL3	00001400

#define TABDLY	00006000

#define   TAB0	00000000

#define   TAB1	00002000

#define   TAB2	00004000

#define   TAB3	00006000

#define CRDLY	00030000

#define   CR0	00000000

#define   CR1	00010000

#define   CR2	00020000

#define   CR3	00030000

#define FFDLY	00040000

#define   FF0	00000000

#define   FF1	00040000

#define BSDLY	00100000

#define   BS0	00000000

#define   BS1	00100000

#define VTDLY	00200000

#define   VT0	00000000

#define   VT1	00200000

#define XTABS	01000000 
/* Hmm.. Linux/i386 considers this part of TABDLY.. */

/* c_cflag bit meaning */

#define CBAUD	0000037

#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 EXTA B19200

#define EXTB B38400

#define CBAUDEX 0000000

#define  B57600   00020

#define  B115200  00021

#define  B230400  00022

#define  B460800  00023

#define  B500000  00024

#define  B576000  00025

#define  B921600  00026

#define B1000000  00027

#define B1152000  00030

#define B1500000  00031

#define B2000000  00032

#define B2500000  00033

#define B3000000  00034

#define B3500000  00035

#define B4000000  00036


#define CSIZE	00001400

#define   CS5	00000000

#define   CS6	00000400

#define   CS7	00001000

#define   CS8	00001400


#define CSTOPB	00002000

#define CREAD	00004000

#define PARENB	00010000

#define PARODD	00020000

#define HUPCL	00040000


#define CLOCAL	00100000

#define CMSPAR	  010000000000		
/* mark or space (stick) parity */

#define CRTSCTS	  020000000000		
/* flow control */

/* c_lflag bits */

#define ISIG	0x00000080

#define ICANON	0x00000100

#define XCASE	0x00004000

#define ECHO	0x00000008

#define ECHOE	0x00000002

#define ECHOK	0x00000004

#define ECHONL	0x00000010

#define NOFLSH	0x80000000

#define TOSTOP	0x00400000

#define ECHOCTL	0x00000040

#define ECHOPRT	0x00000020

#define ECHOKE	0x00000001

#define FLUSHO	0x00800000

#define PENDIN	0x20000000

#define IEXTEN	0x00000400

#define EXTPROC	0x10000000

/* Values for the ACTION argument to `tcflow'.  */

#define	TCOOFF		0

#define	TCOON		1

#define	TCIOFF		2

#define	TCION		3

/* Values for the QUEUE_SELECTOR argument to `tcflush'.  */

#define	TCIFLUSH	0

#define	TCOFLUSH	1

#define	TCIOFLUSH	2

/* Values for the OPTIONAL_ACTIONS argument to `tcsetattr'.  */

#define	TCSANOW		0

#define	TCSADRAIN	1

#define	TCSAFLUSH	2

#endif /* _ALPHA_TERMBITS_H */

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Linus Torvalds (pre-git)62791.94%444.44%
Alan Cox416.01%111.11%
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Howard Chu40.59%111.11%
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