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1//===-- Definition of macros from termios.h -------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef LLVM_LIBC_MACROS_LINUX_TERMIOS_MACROS_H
10#define LLVM_LIBC_MACROS_LINUX_TERMIOS_MACROS_H
11
12// Below are generic definitions of symbolic bit-masks, modes etc. They serve
13// most architectures including x86_64, aarch64 but have to be adjusted for few
14// architectures MIPS.
15
16#define NCCS 32
17
18// Bit-masks for the c_iflag field of struct termios.
19#define IGNBRK 0000001 // Ignore break condition
20#define BRKINT 0000002 // Signal interrupt on break
21#define IGNPAR 0000004 // Ignore characters with parity errors
22#define PARMRK 0000010 // Mark parity and framing errors
23#define INPCK 0000020 // Enable input parity check
24#define ISTRIP 0000040 // Strip 8th bit off characters
25#define INLCR 0000100 // Map NL to CR on input
26#define IGNCR 0000200 // Ignore CR
27#define ICRNL 0000400 // Map CR to NL on input
28#define IUCLC 0001000 // Map uppercase characters to lowercase on input
29#define IXON 0002000 // Enable start/stop output control
30#define IXANY 0004000 // Enable any character to restart output
31#define IXOFF 0010000 // Enable start/stop input control
32#define IMAXBEL 0020000 // Ring bell when input queue is full
33#define IUTF8 0040000 // Input is UTF8 (not in POSIX)
34
35// Bit-masks for the c_oflag field of struct termios.
36#define OPOST 0000001 // Post-process output
37#define OLCUC 0000002 // Map lowercase characters to uppercase on output
38#define ONLCR 0000004 // Map NL to CR-NL on output
39#define OCRNL 0000010 // Map CR to NL on output
40#define ONOCR 0000020 // No CR output at column 0
41#define ONLRET 0000040 // NL performs CR function
42#define OFILL 0000100 // Use fill characters for delay
43#define OFDEL 0000200 // Fill is DEL
44#define NLDLY 0000400 // Select newline delays
45#define NL0 0000000 // Newline type 0
46#define NL1 0000400 // Newline type 1
47#define CRDLY 0003000 // Select carriage-return delays
48#define CR0 0000000 // Carriage-return delay type 0
49#define CR1 0001000 // Carriage-return delay type 1
50#define CR2 0002000 // Carriage-return delay type 2
51#define CR3 0003000 // Carriage-return delay type 3
52#define TABDLY 0014000 // Select horizontal-tab delays
53#define TAB0 0000000 // Horizontal-tab delay type 0
54#define TAB1 0004000 // Horizontal-tab delay type 1
55#define TAB2 0010000 // Horizontal-tab delay type 2
56#define TAB3 0014000 // Expand tabs to spaces
57#define BSDLY 0020000 // Select backspace delays
58#define BS0 0000000 // Backspace-delay type 0
59#define BS1 0020000 // Backspace-delay type 1
60#define FFDLY 0100000 // Select form-feed delays
61#define FF0 0000000 // Form-feed delay type 0
62#define FF1 0100000 // Form-feed delay type 1
63#define VTDLY 0040000 // Select vertical-tab delays
64#define VT0 0000000 // Vertical-tab delay type 0
65#define VT1 0040000 // Vertical-tab delay type 1
66#define XTABS 0014000
67
68// Symbolic subscripts for the c_cc array.
69#define VINTR 0
70#define VQUIT 1
71#define VERASE 2
72#define VKILL 3
73#define VEOF 4
74#define VTIME 5
75#define VMIN 6
76#define VSWTC 7
77#define VSTART 8
78#define VSTOP 9
79#define VSUSP 10
80#define VEOL 11
81#define VREPRINT 12
82#define VDISCARD 13
83#define VWERASE 14
84#define VLNEXT 15
85#define VEOL2 16
86
87// Baud rate related definitions
88#define CBAUD 000000010017 // Baud speed mask
89#define CBAUDX 000000010000 // Extra baud speed mask
90#define CIBAUD 002003600000
91#define CMSPAR 010000000000
92#define CRTSCTS 020000000000
93// Baud rates with values representable by the speed_t type.
94#define B0 0000000 // Implies hang-up
95// A symbol B<NN+> below indicates a baud rate of <NN+>.
96#define B50 0000001
97#define B75 0000002
98#define B110 0000003
99#define B134 0000004
100#define B150 0000005
101#define B200 0000006
102#define B300 0000007
103#define B600 0000010
104#define B1200 0000011
105#define B1800 0000012
106#define B2400 0000013
107#define B4800 0000014
108#define B9600 0000015
109#define B19200 0000016
110#define B38400 0000017
111// Extra baud rates
112#define B57600 0010001
113#define B115200 0010002
114#define B230400 0010003
115#define B460800 0010004
116#define B500000 0010005
117#define B576000 0010006
118#define B921600 0010007
119#define B1000000 0010010
120#define B1152000 0010011
121#define B1500000 0010012
122#define B2000000 0010013
123#define B2500000 0010014
124#define B3000000 0010015
125#define B3500000 0010016
126#define B4000000 0010017
127
128// Control mode bits for use in the c_cflag field of struct termios.
129#define CSIZE 0000060 // Mask for character size bits
130#define CS5 0000000
131#define CS6 0000020
132#define CS7 0000040
133#define CS8 0000060
134#define CSTOPB 0000100 // Send two bits, else one
135#define CREAD 0000200 // Enable receiver
136#define PARENB 0000400 // Parity enable
137#define PARODD 0001000 // Odd parity, else even
138#define HUPCL 0002000 // Hang up on last close
139#define CLOCAL 0004000 // Ignore modem status lines
140
141// Local mode bits for use in the c_lflag field of struct termios.
142#define ISIG 0000001 // Enable signals
143#define ICANON 0000002 // Canonical input (erase and kill processing)
144#define ECHO 0000010 // Enable echo
145#define ECHOE 0000020 // Echo erase character as error-correcting backspace
146#define ECHOK 0000040 // Echo KILL
147#define ECHONL 0000100 // Echo NL
148#define NOFLSH 0000200 // Disable flush after interrupt or quit
149#define TOSTOP 0000400 // Send SIGTTOU for background output
150
151// Attribute selection
152#define TCSANOW 0 // Change attributes immediately
153#define TCSADRAIN 1 // Change attributes when output has drained
154#define TCSAFLUSH 2 // Same as TCSADRAIN and flush pending Output
155
156// Symbolic constants for use with tcflush function.
157#define TCIFLUSH 0 // Flush pending input
158#define TCIOFLUSH 1 // Flush pending input and unstransmitted output
159#define TCOFLUSH 2 // Flush unstransmitted output
160
161// Symbolic constantf for use with tcflow function.
162#define TCOOFF 0 // Transmit a STOP character, intended to suspend input data
163#define TCOON 1 // Transmit a START character, intended to restart input data
164#define TCIOFF 2 // Suspend output
165#define TCION 3 // Restart output
166
167#endif // LLVM_LIBC_MACROS_LINUX_TERMIOS_MACROS_H
168

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source code of libc/include/llvm-libc-macros/linux/termios-macros.h