sysdeps/unix/sysv/linux/termbits.h

   1 /* termios type and macro definitions.  Linux version.
   2 Copyright (C) 1993, 1994, 1995 Free Software Foundation, Inc.
   3 This file is part of the GNU C Library.
   4
   5 The GNU C Library is free software; you can redistribute it and/or
   6 modify it under the terms of the GNU Library General Public License as
   7 published by the Free Software Foundation; either version 2 of the
   8 License, or (at your option) any later version.
   9
  10 The GNU C Library is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 Library General Public License for more details.
  14
  15 You should have received a copy of the GNU Library General Public
  16 License along with the GNU C Library; see the file COPYING.LIB.  If
  17 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  18 Cambridge, MA 02139, USA.  */
  19
  20 /* Type of terminal control flag masks.  */
  21 typedef unsigned int tcflag_t;
  22
  23 /* Type of control characters.  */
  24 typedef unsigned char cc_t;
  25
  26 /* Type of baud rate specifiers.  */
  27 typedef unsigned int speed_t;
  28
  29 /* Terminal control structure.  */
  30 struct termios
  31 {
  32   /* Input modes.  */
  33   tcflag_t c_iflag;
  34 #define IGNBRK  0x0001          /* Ignore break condition.  */
  35 #define BRKINT  0x0002          /* Signal interrupt on break.  */
  36 #define IGNPAR  0x0004          /* Ignore characters with parity errors.  */
  37 #define PARMRK  0x0008          /* Mark parity and framing errors.  */
  38 #define INPCK   0x0010          /* Enable input parity check.  */
  39 #define ISTRIP  0x0020          /* Strip 8th bit off characters.  */
  40 #define INLCR   0x0040          /* Map NL to CR on input.  */
  41 #define IGNCR   0x0080          /* Ignore CR.  */
  42 #define ICRNL   0x0100          /* Map CR to NL on input.  */
  43 #ifdef __USE_BSD
  44 #define IUCLC   0x0200          /* Map upper case to lower case on input.  */
  45 #endif
  46 #define IXON    0x0400          /* Enable start/stop output control.  */
  47 #define IXOFF   0x1000          /* Enable start/stop input control.  */
  48 #ifdef  __USE_BSD
  49 #define IXANY   0x0800          /* Any character will restart after stop.  */
  50 #define IMAXBEL 0x2000          /* Ring bell when input queue is full.  */
  51 #endif
  52
  53   /* Output modes.  */
  54   tcflag_t c_oflag;
  55 #define OPOST   0x0001          /* Perform output processing.  */
  56 #ifdef  __USE_BSD
  57 #define OLCUC   0x00000002      /* Map lower case to upper case on output.  */
  58 #define ONLCR   0x00000004      /* Map NL to CR-NL on output.  */
  59 #define OCRNL   0x00000008
  60 #define ONOCR   0x00000010
  61 #define ONLRET  0x00000020
  62 #define OFILL   0x00000040
  63 #define OFDEL   0x00000080
  64 #define NLDLY   0x00000100
  65 #define NL0     0
  66 #define NL1     0x00000100
  67 #define CRDLY   0x00000600
  68 #define CR0     0
  69 #define CR1     0x00000200
  70 #define CR2     0x00000400
  71 #define CR3     0x00000600
  72 #define TABDLY  0x00001800
  73 #define TAB0    0
  74 #define TAB1    0x00000800
  75 #define TAB2    0x00001000
  76 #define XTABS   0x00001800
  77 #define TAB3    XTABS
  78 #define BSDLY   0x00002000
  79 #define BS0     0
  80 #define BS1     0x00002000
  81 #define VTDLY   0x00004000
  82 #define VT0     0
  83 #define VT1     0x00004000
  84 #define FFDLY   0x00008000
  85 #define FF0     0
  86 #define FF1     0x00008000
  87 #endif
  88
  89   /* Control modes.  */
  90   tcflag_t c_cflag;
  91 #define CSIZE   (CS5|CS6|CS7|CS8) /* Number of bits per byte (mask).  */
  92 #define CS5     0               /* 5 bits per byte.  */
  93 #define CS6     0x00000010      /* 6 bits per byte.  */
  94 #define CS7     0x00000020      /* 7 bits per byte.  */
  95 #define CS8     0x00000030      /* 8 bits per byte.  */
  96 #define CSTOPB  0x00000040      /* Two stop bits instead of one.  */
  97 #define CREAD   0x00000080      /* Enable receiver.  */
  98 #define PARENB  0x00000100      /* Parity enable.  */
  99 #define PARODD  0x00000200      /* Odd parity instead of even.  */
 100 #define HUPCL   0x00000400      /* Hang up on last close.  */
 101 #define CLOCAL  0x00000800      /* Ignore modem status lines.  */
 102 #ifdef  __USE_BSD
 103 #define CRTSCTS 0x80000000
 104 #define CBAUD   0x0000000f      /* Mask for speed from c_cflag.  */
 105 #define CBAUDEX 0x00001000      /* Mask for extended speed from c_cflag.  */
 106 #endif
 107
 108   /* Local modes.  */
 109   tcflag_t c_lflag;
 110 #ifdef  __USE_BSD
 111 #define ECHOKE  0x00000800      /* Visual erase for KILL.  */
 112 #endif
 113 #define ECHOE   0x00000010      /* Visual erase for ERASE.  */
 114 #define ECHOK   0x00000020      /* Echo NL after KILL.  */
 115 #define ECHO    0x00000008      /* Enable echo.  */
 116 #define ECHONL  0x00000040      /* Echo NL even if ECHO is off.  */
 117 #ifdef  __USE_BSD
 118 #define ECHOPRT 0x00000400      /* Hardcopy visual erase.  */
 119 #define ECHOCTL 0x00000200      /* Echo control characters as ^X.  */
 120 #endif
 121 #define ISIG    0x00000001      /* Enable signals.  */
 122 #define ICANON  0x00000002      /* Do erase and kill processing.  */
 123 #define IEXTEN  0x00008000      /* Enable DISCARD and LNEXT.  */
 124 #define TOSTOP  0x00000100      /* Send SIGTTOU for background output.  */
 125 #ifdef  __USE_BSD
 126 #define PENDIN  0x00004000      /* Retype pending input (state).  */
 127 #endif
 128 #define NOFLSH  0x00000080      /* Disable flush after interrupt.  */
 129
 130   cc_t c_line;                  /* Line discipline (?) */
 131
 132   /* Control characters.  */
 133 #define VEOF    4               /* End-of-file character [ICANON].  */
 134 #define VEOL    11              /* End-of-line character [ICANON].  */
 135 #ifdef  __USE_BSD
 136 #define VEOL2   16              /* Second EOL character [ICANON].  */
 137 #define VSWTCH  7               /* ??? */
 138 #endif
 139 #define VERASE  2               /* Erase character [ICANON].  */
 140 #ifdef  __USE_BSD
 141 #define VWERASE 14              /* Word-erase character [ICANON].  */
 142 #endif
 143 #define VKILL   3               /* Kill-line character [ICANON].  */
 144 #ifdef  __USE_BSD
 145 #define VREPRINT 12             /* Reprint-line character [ICANON].  */
 146 #endif
 147 #define VINTR   0               /* Interrupt character [ISIG].  */
 148 #define VQUIT   1               /* Quit character [ISIG].  */
 149 #define VSUSP   10              /* Suspend character [ISIG].  */
 150 #define VSTART  8               /* Start (X-ON) character [IXON, IXOFF].  */
 151 #define VSTOP   9               /* Stop (X-OFF) character [IXON, IXOFF].  */
 152 #ifdef  __USE_BSD
 153 #define VLNEXT  15              /* Literal-next character [IEXTEN].  */
 154 #define VDISCARD 13             /* Discard character [IEXTEN].  */
 155 #endif
 156 #define VMIN    6               /* Minimum number of bytes read at once [!ICANON].  */
 157 #define VTIME   5               /* Time-out value (tenths of a second) [!ICANON].  */
 158 #define NCCS    19
 159   cc_t c_cc[NCCS];
 160 };
 161
 162 #define _IOT_termios /* Hurd ioctl type field.  */ \
 163   _IOT (_IOTS (cflag_t), 4, _IOTS (cc_t), NCCS, _IOTS (speed_t), 2)
 164
 165 /* Values for the OPTIONAL_ACTIONS argument to `tcsetattr'.  */
 166 #define TCSANOW         0       /* Change immediately.  */
 167 #define TCSADRAIN       1       /* Change when pending output is written.  */
 168 #define TCSAFLUSH       2       /* Flush pending input before changing.  */
 169
 170 /* Values for the QUEUE_SELECTOR argument to `tcflush'.  */
 171 #define TCIFLUSH        0       /* Discard data received but not yet read.  */
 172 #define TCOFLUSH        1       /* Discard data written but not yet sent.  */
 173 #define TCIOFLUSH       2       /* Discard all pending data.  */
 174
 175 /* Values for the ACTION argument to `tcflow'.  */
 176 #define TCOOFF  0               /* Suspend output.  */
 177 #define TCOON   1               /* Restart suspended output.  */
 178 #define TCIOFF  2               /* Send a STOP character.  */
 179 #define TCION   3               /* Send a START character.  */