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: src/sys/sys/termios.h,v 1.13.2.1 2001/03/06 06:31:44 jhb Exp $
   35  * $DragonFly: src/sys/sys/termios.h,v 1.5 2007/01/08 19:29:23 dillon Exp $
   36  */
   37 
   38 #ifndef _SYS_TERMIOS_H_
   39 #define _SYS_TERMIOS_H_
   40 
   41 /* Needed by tcgetsid(3). */
   42 #include <sys/stdint.h>
   43 #ifndef _PID_T_DECLARED
   44 typedef __pid_t pid_t;
   45 #define _PID_T_DECLARED
   46 #endif
   47 
   48 /*
   49  * Special Control Characters
   50  *
   51  * Index into c_cc[] character array.
   52  *
   53  *      Name         Subscript  Enabled by
   54  */
   55 #define VEOF            0       /* ICANON */
   56 #define VEOL            1       /* ICANON */
   57 #ifndef _POSIX_SOURCE
   58 #define VEOL2           2       /* ICANON together with IEXTEN */
   59 #endif
   60 #define VERASE          3       /* ICANON */
   61 #ifndef _POSIX_SOURCE
   62 #define VWERASE         4       /* ICANON together with IEXTEN */
   63 #endif
   64 #define VKILL           5       /* ICANON */
   65 #ifndef _POSIX_SOURCE
   66 #define VREPRINT        6       /* ICANON together with IEXTEN */
   67 #define VERASE2         7       /* ICANON */
   68 #endif
   69 #define VINTR           8       /* ISIG */
   70 #define VQUIT           9       /* ISIG */
   71 #define VSUSP           10      /* ISIG */
   72 #ifndef _POSIX_SOURCE
   73 #define VDSUSP          11      /* ISIG together with IEXTEN */
   74 #endif
   75 #define VSTART          12      /* IXON, IXOFF */
   76 #define VSTOP           13      /* IXON, IXOFF */
   77 #ifndef _POSIX_SOURCE
   78 #define VLNEXT          14      /* IEXTEN */
   79 #define VDISCARD        15      /* IEXTEN */
   80 #endif
   81 #define VMIN            16      /* !ICANON */
   82 #define VTIME           17      /* !ICANON */
   83 #ifndef _POSIX_SOURCE
   84 #define VSTATUS         18      /* ICANON together with IEXTEN */
   85 #define VCHECKPT        19      /* ICANON together with IEXTEN */
   86 #endif
   87 #define NCCS            20
   88 
   89 #define _POSIX_VDISABLE 0xff
   90 
   91 #ifndef _POSIX_SOURCE
   92 #define CCEQ(val, c)    ((c) == (val) ? (val) != _POSIX_VDISABLE : 0)
   93 #endif
   94 
   95 /*
   96  * Input flags - software input processing
   97  */
   98 #define IGNBRK          0x00000001      /* ignore BREAK condition */
   99 #define BRKINT          0x00000002      /* map BREAK to SIGINTR */
  100 #define IGNPAR          0x00000004      /* ignore (discard) parity errors */
  101 #define PARMRK          0x00000008      /* mark parity and framing errors */
  102 #define INPCK           0x00000010      /* enable checking of parity errors */
  103 #define ISTRIP          0x00000020      /* strip 8th bit off chars */
  104 #define INLCR           0x00000040      /* map NL into CR */
  105 #define IGNCR           0x00000080      /* ignore CR */
  106 #define ICRNL           0x00000100      /* map CR to NL (ala CRMOD) */
  107 #define IXON            0x00000200      /* enable output flow control */
  108 #define IXOFF           0x00000400      /* enable input flow control */
  109 #ifndef _POSIX_SOURCE
  110 #define IXANY           0x00000800      /* any char will restart after stop */
  111 #define IMAXBEL         0x00002000      /* ring bell on input queue full */
  112 #endif  /*_POSIX_SOURCE */
  113 
  114 /*
  115  * Output flags - software output processing
  116  */
  117 #define OPOST           0x00000001      /* enable following output processing */
  118 #ifndef _POSIX_SOURCE
  119 #define ONLCR           0x00000002      /* map NL to CR-NL (ala CRMOD) */
  120 #define OXTABS          0x00000004      /* expand tabs to spaces */
  121 #define ONOEOT          0x00000008      /* discard EOT's (^D) on output) */
  122 #define OCRNL           0x00000010      /* map CR to NL on output */
  123 #define ONOCR           0x00000020      /* no CR output at column 0 */
  124 #define ONLRET          0x00000040      /* NL performs CR function */
  125 #endif  /*_POSIX_SOURCE */
  126 
  127 /*
  128  * Control flags - hardware control of terminal
  129  */
  130 #ifndef _POSIX_SOURCE
  131 #define CIGNORE         0x00000001      /* ignore control flags */
  132 #endif
  133 #define CSIZE           0x00000300      /* character size mask */
  134 #define     CS5             0x00000000      /* 5 bits (pseudo) */
  135 #define     CS6             0x00000100      /* 6 bits */
  136 #define     CS7             0x00000200      /* 7 bits */
  137 #define     CS8             0x00000300      /* 8 bits */
  138 #define CSTOPB          0x00000400      /* send 2 stop bits */
  139 #define CREAD           0x00000800      /* enable receiver */
  140 #define PARENB          0x00001000      /* parity enable */
  141 #define PARODD          0x00002000      /* odd parity, else even */
  142 #define HUPCL           0x00004000      /* hang up on last close */
  143 #define CLOCAL          0x00008000      /* ignore modem status lines */
  144 #ifndef _POSIX_SOURCE
  145 #define CCTS_OFLOW      0x00010000      /* CTS flow control of output */
  146 #define CRTSCTS         (CCTS_OFLOW | CRTS_IFLOW)
  147 #define CRTS_IFLOW      0x00020000      /* RTS flow control of input */
  148 #define CDTR_IFLOW      0x00040000      /* DTR flow control of input */
  149 #define CDSR_OFLOW      0x00080000      /* DSR flow control of output */
  150 #define CCAR_OFLOW      0x00100000      /* DCD flow control of output */
  151 #define MDMBUF          0x00100000      /* old name for CCAR_OFLOW */
  152 #endif
  153 
  154 
  155 /*
  156  * "Local" flags - dumping ground for other state
  157  *
  158  * Warning: some flags in this structure begin with
  159  * the letter "I" and look like they belong in the
  160  * input flag.
  161  */
  162 
  163 #ifndef _POSIX_SOURCE
  164 #define ECHOKE          0x00000001      /* visual erase for line kill */
  165 #endif  /*_POSIX_SOURCE */
  166 #define ECHOE           0x00000002      /* visually erase chars */
  167 #define ECHOK           0x00000004      /* echo NL after line kill */
  168 #define ECHO            0x00000008      /* enable echoing */
  169 #define ECHONL          0x00000010      /* echo NL even if ECHO is off */
  170 #ifndef _POSIX_SOURCE
  171 #define ECHOPRT         0x00000020      /* visual erase mode for hardcopy */
  172 #define ECHOCTL         0x00000040      /* echo control chars as ^(Char) */
  173 #endif  /*_POSIX_SOURCE */
  174 #define ISIG            0x00000080      /* enable signals INTR, QUIT, [D]SUSP */
  175 #define ICANON          0x00000100      /* canonicalize input lines */
  176 #ifndef _POSIX_SOURCE
  177 #define ALTWERASE       0x00000200      /* use alternate WERASE algorithm */
  178 #endif  /*_POSIX_SOURCE */
  179 #define IEXTEN          0x00000400      /* enable DISCARD and LNEXT */
  180 #define EXTPROC         0x00000800      /* external processing */
  181 #define TOSTOP          0x00400000      /* stop background jobs from output */
  182 #ifndef _POSIX_SOURCE
  183 #define FLUSHO          0x00800000      /* output being flushed (state) */
  184 #define NOKERNINFO      0x02000000      /* no kernel output from VSTATUS */
  185 #define PENDIN          0x20000000      /* XXX retype pending input (state) */
  186 #endif  /*_POSIX_SOURCE */
  187 #define NOFLSH          0x80000000      /* don't flush after interrupt */
  188 
  189 typedef unsigned int    tcflag_t;
  190 typedef unsigned char   cc_t;
  191 typedef unsigned int    speed_t;
  192 
  193 struct termios {
  194         tcflag_t        c_iflag;        /* input flags */
  195         tcflag_t        c_oflag;        /* output flags */
  196         tcflag_t        c_cflag;        /* control flags */
  197         tcflag_t        c_lflag;        /* local flags */
  198         cc_t            c_cc[NCCS];     /* control chars */
  199         speed_t         c_ispeed;       /* input speed */
  200         speed_t         c_ospeed;       /* output speed */
  201 };
  202 
  203 /*
  204  * Commands passed to tcsetattr() for setting the termios structure.
  205  */
  206 #define TCSANOW         0               /* make change immediate */
  207 #define TCSADRAIN       1               /* drain output, then change */
  208 #define TCSAFLUSH       2               /* drain output, flush input */
  209 #ifndef _POSIX_SOURCE
  210 #define TCSASOFT        0x10            /* flag - don't alter h.w. state */
  211 #endif
  212 
  213 /*
  214  * Standard speeds
  215  */
  216 #define B0      0
  217 #define B50     50
  218 #define B75     75
  219 #define B110    110
  220 #define B134    134
  221 #define B150    150
  222 #define B200    200
  223 #define B300    300
  224 #define B600    600
  225 #define B1200   1200
  226 #define B1800   1800
  227 #define B2400   2400
  228 #define B4800   4800
  229 #define B9600   9600
  230 #define B19200  19200
  231 #define B38400  38400
  232 #ifndef _POSIX_SOURCE
  233 #define B7200   7200
  234 #define B14400  14400
  235 #define B28800  28800
  236 #define B57600  57600
  237 #define B76800  76800
  238 #define B115200 115200
  239 #define B230400 230400
  240 #define EXTA    19200
  241 #define EXTB    38400
  242 #endif  /* !_POSIX_SOURCE */
  243 
  244 #define TCIFLUSH        1
  245 #define TCOFLUSH        2
  246 #define TCIOFLUSH       3
  247 #define TCOOFF          1
  248 #define TCOON           2
  249 #define TCIOFF          3
  250 #define TCION           4
  251 
  252 #include <sys/cdefs.h>
  253 
  254 __BEGIN_DECLS
  255 speed_t cfgetispeed (const struct termios *);
  256 speed_t cfgetospeed (const struct termios *);
  257 int     cfsetispeed (struct termios *, speed_t);
  258 int     cfsetospeed (struct termios *, speed_t);
  259 int     tcgetattr (int, struct termios *);
  260 int     tcsetattr (int, int, const struct termios *);
  261 int     tcdrain (int);
  262 int     tcflow (int, int);
  263 int     tcflush (int, int);
  264 int     tcsendbreak (int, int);
  265 
  266 #if     __XSI_VISIBLE
  267 pid_t   tcgetsid(int);
  268 #endif  /* !_XSI_VISIBLE */
  269 
  270 #ifndef _POSIX_SOURCE
  271 void    cfmakeraw (struct termios *);
  272 int     cfsetspeed (struct termios *, speed_t);
  273 #endif /* !_POSIX_SOURCE */
  274 __END_DECLS
  275 
  276 #ifndef _POSIX_SOURCE
  277 
  278 /*
  279  * Include tty ioctl's that aren't just for backwards compatibility
  280  * with the old tty driver.  These ioctl definitions were previously
  281  * in <sys/ioctl.h>.
  282  */
  283 #include <sys/ttycom.h>
  284 #endif
  285 
  286 /*
  287  * END OF PROTECTED INCLUDE.
  288  */
  289 #endif /* !_SYS_TERMIOS_H_ */
  290 
  291 #ifndef _POSIX_SOURCE
  292 #include <sys/ttydefaults.h>
  293 #endif

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