The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/sys/termios.h

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    1 /*
    2  * Copyright (c) 1988, 1989, 1993, 1994
    3  *      The Regents of the University of California.  All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  * 3. All advertising materials mentioning features or use of this software
   14  *    must display the following acknowledgement:
   15  *      This product includes software developed by the University of
   16  *      California, Berkeley and its contributors.
   17  * 4. Neither the name of the University nor the names of its contributors
   18  *    may be used to endorse or promote products derived from this software
   19  *    without specific prior written permission.
   20  *
   21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   31  * SUCH DAMAGE.
   32  *
   33  *      @(#)termios.h   8.3 (Berkeley) 3/28/94
   34  * $FreeBSD: releng/5.0/sys/sys/termios.h 92719 2002-03-19 20:18:42Z alfred $
   35  */
   36 
   37 #ifndef _SYS_TERMIOS_H_
   38 #define _SYS_TERMIOS_H_
   39 
   40 /*
   41  * Special Control Characters
   42  *
   43  * Index into c_cc[] character array.
   44  *
   45  *      Name         Subscript  Enabled by
   46  */
   47 #define VEOF            0       /* ICANON */
   48 #define VEOL            1       /* ICANON */
   49 #ifndef _POSIX_SOURCE
   50 #define VEOL2           2       /* ICANON together with IEXTEN */
   51 #endif
   52 #define VERASE          3       /* ICANON */
   53 #ifndef _POSIX_SOURCE
   54 #define VWERASE         4       /* ICANON together with IEXTEN */
   55 #endif
   56 #define VKILL           5       /* ICANON */
   57 #ifndef _POSIX_SOURCE
   58 #define VREPRINT        6       /* ICANON together with IEXTEN */
   59 #define VERASE2         7       /* ICANON */
   60 #endif
   61 /*                      7          ex-spare 1 */
   62 #define VINTR           8       /* ISIG */
   63 #define VQUIT           9       /* ISIG */
   64 #define VSUSP           10      /* ISIG */
   65 #ifndef _POSIX_SOURCE
   66 #define VDSUSP          11      /* ISIG together with IEXTEN */
   67 #endif
   68 #define VSTART          12      /* IXON, IXOFF */
   69 #define VSTOP           13      /* IXON, IXOFF */
   70 #ifndef _POSIX_SOURCE
   71 #define VLNEXT          14      /* IEXTEN */
   72 #define VDISCARD        15      /* IEXTEN */
   73 #endif
   74 #define VMIN            16      /* !ICANON */
   75 #define VTIME           17      /* !ICANON */
   76 #ifndef _POSIX_SOURCE
   77 #define VSTATUS         18      /* ICANON together with IEXTEN */
   78 /*                      19         spare 2 */
   79 #endif
   80 #define NCCS            20
   81 
   82 #define _POSIX_VDISABLE 0xff
   83 
   84 #ifndef _POSIX_SOURCE
   85 #define CCEQ(val, c)    ((c) == (val) ? (val) != _POSIX_VDISABLE : 0)
   86 #endif
   87 
   88 /*
   89  * Input flags - software input processing
   90  */
   91 #define IGNBRK          0x00000001      /* ignore BREAK condition */
   92 #define BRKINT          0x00000002      /* map BREAK to SIGINTR */
   93 #define IGNPAR          0x00000004      /* ignore (discard) parity errors */
   94 #define PARMRK          0x00000008      /* mark parity and framing errors */
   95 #define INPCK           0x00000010      /* enable checking of parity errors */
   96 #define ISTRIP          0x00000020      /* strip 8th bit off chars */
   97 #define INLCR           0x00000040      /* map NL into CR */
   98 #define IGNCR           0x00000080      /* ignore CR */
   99 #define ICRNL           0x00000100      /* map CR to NL (ala CRMOD) */
  100 #define IXON            0x00000200      /* enable output flow control */
  101 #define IXOFF           0x00000400      /* enable input flow control */
  102 #ifndef _POSIX_SOURCE
  103 #define IXANY           0x00000800      /* any char will restart after stop */
  104 #define IMAXBEL         0x00002000      /* ring bell on input queue full */
  105 #endif  /*_POSIX_SOURCE */
  106 
  107 /*
  108  * Output flags - software output processing
  109  */
  110 #define OPOST           0x00000001      /* enable following output processing */
  111 #ifndef _POSIX_SOURCE
  112 #define ONLCR           0x00000002      /* map NL to CR-NL (ala CRMOD) */
  113 #define OXTABS          0x00000004      /* expand tabs to spaces */
  114 #define ONOEOT          0x00000008      /* discard EOT's (^D) on output) */
  115 #define OCRNL           0x00000010      /* map CR to NL on output */
  116 #define ONOCR           0x00000020      /* no CR output at column 0 */
  117 #define ONLRET          0x00000040      /* NL performs CR function */
  118 #endif  /*_POSIX_SOURCE */
  119 
  120 /*
  121  * Control flags - hardware control of terminal
  122  */
  123 #ifndef _POSIX_SOURCE
  124 #define CIGNORE         0x00000001      /* ignore control flags */
  125 #endif
  126 #define CSIZE           0x00000300      /* character size mask */
  127 #define     CS5             0x00000000      /* 5 bits (pseudo) */
  128 #define     CS6             0x00000100      /* 6 bits */
  129 #define     CS7             0x00000200      /* 7 bits */
  130 #define     CS8             0x00000300      /* 8 bits */
  131 #define CSTOPB          0x00000400      /* send 2 stop bits */
  132 #define CREAD           0x00000800      /* enable receiver */
  133 #define PARENB          0x00001000      /* parity enable */
  134 #define PARODD          0x00002000      /* odd parity, else even */
  135 #define HUPCL           0x00004000      /* hang up on last close */
  136 #define CLOCAL          0x00008000      /* ignore modem status lines */
  137 #ifndef _POSIX_SOURCE
  138 #define CCTS_OFLOW      0x00010000      /* CTS flow control of output */
  139 #define CRTSCTS         (CCTS_OFLOW | CRTS_IFLOW)
  140 #define CRTS_IFLOW      0x00020000      /* RTS flow control of input */
  141 #define CDTR_IFLOW      0x00040000      /* DTR flow control of input */
  142 #define CDSR_OFLOW      0x00080000      /* DSR flow control of output */
  143 #define CCAR_OFLOW      0x00100000      /* DCD flow control of output */
  144 #define MDMBUF          0x00100000      /* old name for CCAR_OFLOW */
  145 #endif
  146 
  147 
  148 /*
  149  * "Local" flags - dumping ground for other state
  150  *
  151  * Warning: some flags in this structure begin with
  152  * the letter "I" and look like they belong in the
  153  * input flag.
  154  */
  155 
  156 #ifndef _POSIX_SOURCE
  157 #define ECHOKE          0x00000001      /* visual erase for line kill */
  158 #endif  /*_POSIX_SOURCE */
  159 #define ECHOE           0x00000002      /* visually erase chars */
  160 #define ECHOK           0x00000004      /* echo NL after line kill */
  161 #define ECHO            0x00000008      /* enable echoing */
  162 #define ECHONL          0x00000010      /* echo NL even if ECHO is off */
  163 #ifndef _POSIX_SOURCE
  164 #define ECHOPRT         0x00000020      /* visual erase mode for hardcopy */
  165 #define ECHOCTL         0x00000040      /* echo control chars as ^(Char) */
  166 #endif  /*_POSIX_SOURCE */
  167 #define ISIG            0x00000080      /* enable signals INTR, QUIT, [D]SUSP */
  168 #define ICANON          0x00000100      /* canonicalize input lines */
  169 #ifndef _POSIX_SOURCE
  170 #define ALTWERASE       0x00000200      /* use alternate WERASE algorithm */
  171 #endif  /*_POSIX_SOURCE */
  172 #define IEXTEN          0x00000400      /* enable DISCARD and LNEXT */
  173 #define EXTPROC         0x00000800      /* external processing */
  174 #define TOSTOP          0x00400000      /* stop background jobs from output */
  175 #ifndef _POSIX_SOURCE
  176 #define FLUSHO          0x00800000      /* output being flushed (state) */
  177 #define NOKERNINFO      0x02000000      /* no kernel output from VSTATUS */
  178 #define PENDIN          0x20000000      /* XXX retype pending input (state) */
  179 #endif  /*_POSIX_SOURCE */
  180 #define NOFLSH          0x80000000      /* don't flush after interrupt */
  181 
  182 typedef unsigned int    tcflag_t;
  183 typedef unsigned char   cc_t;
  184 typedef unsigned int    speed_t;
  185 
  186 struct termios {
  187         tcflag_t        c_iflag;        /* input flags */
  188         tcflag_t        c_oflag;        /* output flags */
  189         tcflag_t        c_cflag;        /* control flags */
  190         tcflag_t        c_lflag;        /* local flags */
  191         cc_t            c_cc[NCCS];     /* control chars */
  192         speed_t         c_ispeed;       /* input speed */
  193         speed_t         c_ospeed;       /* output speed */
  194 };
  195 
  196 /*
  197  * Commands passed to tcsetattr() for setting the termios structure.
  198  */
  199 #define TCSANOW         0               /* make change immediate */
  200 #define TCSADRAIN       1               /* drain output, then change */
  201 #define TCSAFLUSH       2               /* drain output, flush input */
  202 #ifndef _POSIX_SOURCE
  203 #define TCSASOFT        0x10            /* flag - don't alter h.w. state */
  204 #endif
  205 
  206 /*
  207  * Standard speeds
  208  */
  209 #define B0      0
  210 #define B50     50
  211 #define B75     75
  212 #define B110    110
  213 #define B134    134
  214 #define B150    150
  215 #define B200    200
  216 #define B300    300
  217 #define B600    600
  218 #define B1200   1200
  219 #define B1800   1800
  220 #define B2400   2400
  221 #define B4800   4800
  222 #define B9600   9600
  223 #define B19200  19200
  224 #define B38400  38400
  225 #ifndef _POSIX_SOURCE
  226 #define B7200   7200
  227 #define B14400  14400
  228 #define B28800  28800
  229 #define B57600  57600
  230 #define B76800  76800
  231 #define B115200 115200
  232 #define B230400 230400
  233 #define B460800 460800
  234 #define B921600 921600
  235 #define EXTA    19200
  236 #define EXTB    38400
  237 #endif  /* !_POSIX_SOURCE */
  238 
  239 #ifndef _KERNEL
  240 
  241 #define TCIFLUSH        1
  242 #define TCOFLUSH        2
  243 #define TCIOFLUSH       3
  244 #define TCOOFF          1
  245 #define TCOON           2
  246 #define TCIOFF          3
  247 #define TCION           4
  248 
  249 #include <sys/cdefs.h>
  250 
  251 __BEGIN_DECLS
  252 speed_t cfgetispeed(const struct termios *);
  253 speed_t cfgetospeed(const struct termios *);
  254 int     cfsetispeed(struct termios *, speed_t);
  255 int     cfsetospeed(struct termios *, speed_t);
  256 int     tcgetattr(int, struct termios *);
  257 int     tcsetattr(int, int, const struct termios *);
  258 int     tcdrain(int);
  259 int     tcflow(int, int);
  260 int     tcflush(int, int);
  261 int     tcsendbreak(int, int);
  262 
  263 #ifndef _POSIX_SOURCE
  264 void    cfmakeraw(struct termios *);
  265 int     cfsetspeed(struct termios *, speed_t);
  266 #endif /* !_POSIX_SOURCE */
  267 __END_DECLS
  268 
  269 #endif /* !_KERNEL */
  270 
  271 #ifndef _POSIX_SOURCE
  272 
  273 /*
  274  * Include tty ioctl's that aren't just for backwards compatibility
  275  * with the old tty driver.  These ioctl definitions were previously
  276  * in <sys/ioctl.h>.
  277  */
  278 #include <sys/ttycom.h>
  279 #endif
  280 
  281 /*
  282  * END OF PROTECTED INCLUDE.
  283  */
  284 #endif /* !_SYS_TERMIOS_H_ */
  285 
  286 #ifndef _POSIX_SOURCE
  287 #include <sys/ttydefaults.h>
  288 #endif

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