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

     /*      $NetBSD: termios.h,v 1.36 2018/12/07 19:01:11 jakllsch Exp $    */
     
     /*
      * Copyright (c) 1988, 1989, 1993, 1994
      *      The Regents of the University of California.  All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. Neither the name of the University nor the names of its contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     *      @(#)termios.h   8.3 (Berkeley) 3/28/94
     */
    
    #ifndef _SYS_TERMIOS_H_
    #define _SYS_TERMIOS_H_
    
    #include <sys/ansi.h>
    #include <sys/featuretest.h>
    
    /*
     * Special Control Characters
     *
     * Index into c_cc[] character array.
     *
     *      Name         Subscript  Enabled by
     */
    #define VEOF            0       /* ICANON */
    #define VEOL            1       /* ICANON */
    #if defined(_NETBSD_SOURCE)
    #define VEOL2           2       /* ICANON */
    #endif
    #define VERASE          3       /* ICANON */
    #if defined(_NETBSD_SOURCE)
    #define VWERASE         4       /* ICANON */
    #endif
    #define VKILL           5       /* ICANON */
    #if defined(_NETBSD_SOURCE)
    #define VREPRINT        6       /* ICANON */
    #endif
    /*                      7          spare 1 */
    #define VINTR           8       /* ISIG */
    #define VQUIT           9       /* ISIG */
    #define VSUSP           10      /* ISIG */
    #if defined(_NETBSD_SOURCE)
    #define VDSUSP          11      /* ISIG */
    #endif
    #define VSTART          12      /* IXON, IXOFF */
    #define VSTOP           13      /* IXON, IXOFF */
    #if defined(_NETBSD_SOURCE)
    #define VLNEXT          14      /* IEXTEN */
    #define VDISCARD        15      /* IEXTEN */
    #endif
    #define VMIN            16      /* !ICANON */
    #define VTIME           17      /* !ICANON */
    #if defined(_NETBSD_SOURCE)
    #define VSTATUS         18      /* ICANON */
    /*                      19         spare 2 */
    #endif
    #define NCCS            20
    
    #define _POSIX_VDISABLE __CAST(unsigned char, '\377')
    
    #if defined(_NETBSD_SOURCE)
    #define CCEQ(val, c)    (c == val ? val != _POSIX_VDISABLE : 0)
    #endif
    
    /*
     * Input flags - software input processing
     */
    #define IGNBRK          0x00000001U     /* ignore BREAK condition */
    #define BRKINT          0x00000002U     /* map BREAK to SIGINT */
    #define IGNPAR          0x00000004U     /* ignore (discard) parity errors */
    #define PARMRK          0x00000008U     /* mark parity and framing errors */
    #define INPCK           0x00000010U     /* enable checking of parity errors */
    #define ISTRIP          0x00000020U     /* strip 8th bit off chars */
    #define INLCR           0x00000040U     /* map NL into CR */
    #define IGNCR           0x00000080U     /* ignore CR */
    #define ICRNL           0x00000100U     /* map CR to NL (ala CRMOD) */
    #define IXON            0x00000200U     /* enable output flow control */
   #define IXOFF           0x00000400U     /* enable input flow control */
   #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
   #define IXANY           0x00000800U     /* any char will restart after stop */
   #endif
   #if defined(_NETBSD_SOURCE)
   #define IMAXBEL         0x00002000U     /* ring bell on input queue full */
   #endif
   
   /*
    * Output flags - software output processing
    */
   #define OPOST           0x00000001U     /* enable following output processing */
   #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
   #define ONLCR           0x00000002U     /* map NL to CR-NL (ala CRMOD) */
   #endif
   #if defined(_NETBSD_SOURCE)
   #define OXTABS          0x00000004U     /* expand tabs to spaces */
   #define ONOEOT          0x00000008U     /* discard EOT's (^D) on output */
   #endif
   #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
   #define OCRNL           0x00000010U     /* map CR to NL */
   #define ONOCR           0x00000020U     /* discard CR's when on column 0 */
   #define ONLRET          0x00000040U     /* move to column 0 on CR */
   #endif  /* defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) */
   
   /*
    * Control flags - hardware control of terminal
    */
   #if defined(_NETBSD_SOURCE)
   #define CIGNORE         0x00000001U     /* ignore control flags */
   #endif
   #define CSIZE           0x00000300U     /* character size mask */
   #define     CS5             0x00000000U     /* 5 bits (pseudo) */
   #define     CS6             0x00000100U     /* 6 bits */
   #define     CS7             0x00000200U     /* 7 bits */
   #define     CS8             0x00000300U     /* 8 bits */
   #define CSTOPB          0x00000400U     /* send 2 stop bits */
   #define CREAD           0x00000800U     /* enable receiver */
   #define PARENB          0x00001000U     /* parity enable */
   #define PARODD          0x00002000U     /* odd parity, else even */
   #define HUPCL           0x00004000U     /* hang up on last close */
   #define CLOCAL          0x00008000U     /* ignore modem status lines */
   #if defined(_NETBSD_SOURCE)
   #define CRTSCTS         0x00010000U     /* RTS/CTS full-duplex flow control */
   #define CRTS_IFLOW      CRTSCTS         /* XXX compat */
   #define CCTS_OFLOW      CRTSCTS         /* XXX compat */
   #define CDTRCTS         0x00020000U     /* DTR/CTS full-duplex flow control */
   #define MDMBUF          0x00100000U     /* DTR/DCD hardware flow control */
   #define CHWFLOW         (MDMBUF|CRTSCTS|CDTRCTS) /* all types of hw flow control */
   #endif
   
   
   /*
    * "Local" flags - dumping ground for other state
    *
    * Warning: some flags in this structure begin with
    * the letter "I" and look like they belong in the
    * input flag.
    */
   
   #if defined(_NETBSD_SOURCE)
   #define ECHOKE          0x00000001U     /* visual erase for line kill */
   #endif
   #define ECHOE           0x00000002U     /* visually erase chars */
   #define ECHOK           0x00000004U     /* echo NL after line kill */
   #define ECHO            0x00000008U     /* enable echoing */
   #define ECHONL          0x00000010U     /* echo NL even if ECHO is off */
   #if defined(_NETBSD_SOURCE)
   #define ECHOPRT         0x00000020U     /* visual erase mode for hardcopy */
   #define ECHOCTL         0x00000040U     /* echo control chars as ^(Char) */
   #endif  /* defined(_NETBSD_SOURCE) */
   #define ISIG            0x00000080U     /* enable signals INT, QUIT, [D]SUSP */
   #define ICANON          0x00000100U     /* canonicalize input lines */
   #if defined(_NETBSD_SOURCE)
   #define ALTWERASE       0x00000200U     /* use alternate WERASE algorithm */
   #endif /* defined(_NETBSD_SOURCE) */
   #define IEXTEN          0x00000400U     /* enable DISCARD and LNEXT */
   #if defined(_NETBSD_SOURCE)
   #define EXTPROC         0x00000800U     /* external processing */
   #endif /* defined(_NETBSD_SOURCE) */
   #define TOSTOP          0x00400000U     /* stop background jobs on output */
   #if defined(_NETBSD_SOURCE)
   #define FLUSHO          0x00800000U     /* output being flushed (state) */
   #define NOKERNINFO      0x02000000U     /* no kernel output from VSTATUS */
   #define PENDIN          0x20000000U     /* re-echo input buffer at next read */
   #endif /* defined(_NETBSD_SOURCE) */
   #define NOFLSH          0x80000000U     /* don't flush output on signal */
   
   typedef unsigned int    tcflag_t;
   typedef unsigned char   cc_t;
   typedef unsigned int    speed_t;
   
   struct termios {
           tcflag_t        c_iflag;        /* input flags */
           tcflag_t        c_oflag;        /* output flags */
           tcflag_t        c_cflag;        /* control flags */
           tcflag_t        c_lflag;        /* local flags */
           cc_t            c_cc[NCCS];     /* control chars */
           int             c_ispeed;       /* input speed */
           int             c_ospeed;       /* output speed */
   };
   
   /*
    * Commands passed to tcsetattr() for setting the termios structure.
    */
   #define TCSANOW         0               /* make change immediate */
   #define TCSADRAIN       1               /* drain output, then change */
   #define TCSAFLUSH       2               /* drain output, flush input */
   #if defined(_NETBSD_SOURCE)
   #define TCSASOFT        0x10            /* flag - don't alter h.w. state */
   #endif
   
   /*
    * Standard speeds
    */
   #define B0              0U
   #define B50             50U
   #define B75             75U
   #define B110            110U
   #define B134            134U
   #define B150            150U
   #define B200            200U
   #define B300            300U
   #define B600            600U
   #define B1200           1200U
   #define B1800           1800U
   #define B2400           2400U
   #define B4800           4800U
   #define B9600           9600U
   #define B19200          19200U
   #define B38400          38400U
   #if defined(_NETBSD_SOURCE)
   #define B7200           7200U
   #define B14400          14400U
   #define B28800          28800U
   #define B57600          57600U
   #define B76800          76800U
   #define B115200         115200U
   #define B230400         230400U
   #define B460800         460800U
   #define B500000         500000U
   #define B921600         921600U
   #define B1000000        1000000U
   #define B1500000        1500000U
   #define B2000000        2000000U
   #define B2500000        2500000U
   #define B3000000        3000000U
   #define B3500000        3500000U
   #define B4000000        4000000U
   #define EXTA            19200U
   #define EXTB            38400U
   #endif  /* defined(_NETBSD_SOURCE) */
   
   #ifndef _KERNEL
   
   #define TCIFLUSH        1
   #define TCOFLUSH        2
   #define TCIOFLUSH       3
   #define TCOOFF          1
   #define TCOON           2
   #define TCIOFF          3
   #define TCION           4
   
   #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
   #ifndef pid_t
   typedef __pid_t         pid_t;
   #define pid_t           __pid_t
   #endif
   #endif /* _XOPEN_SOURCE || _NETBSD_SOURCE */
   #include <sys/cdefs.h>
   
   __BEGIN_DECLS
   speed_t cfgetispeed(const struct termios *);
   speed_t cfgetospeed(const struct termios *);
   int     cfsetispeed(struct termios *, speed_t);
   int     cfsetospeed(struct termios *, speed_t);
   int     tcgetattr(int, struct termios *);
   int     tcsetattr(int, int, const struct termios *);
   int     tcdrain(int);
   int     tcflow(int, int);
   int     tcflush(int, int);
   int     tcsendbreak(int, int);
   #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
   pid_t   tcgetsid(int);
   #endif /* defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) */
   
   
   #if defined(_NETBSD_SOURCE)
   void    cfmakeraw(struct termios *);
   int     cfsetspeed(struct termios *, speed_t);
   #endif /* defined(_NETBSD_SOURCE) */
   __END_DECLS
   
   #endif /* !_KERNEL */
   
   /*
    * Include tty ioctl's that aren't just for backwards compatibility
    * with the old tty driver.  These ioctl definitions were previously
    * in <sys/ioctl.h>.   Most of this appears only when _NETBSD_SOURCE
    * is defined, but (at least) struct winsize has been made standard,
    * and needs to be visible here (as well as via the old <sys/ioctl.h>.)
    */
   #include <sys/ttycom.h>
   
   int     tcgetwinsize(int, struct winsize *);
   int     tcsetwinsize(int, const struct winsize *);
   
   /*
    * END OF PROTECTED INCLUDE.
    */
   #endif /* !_SYS_TERMIOS_H_ */
   
   #if defined(_NETBSD_SOURCE)
   #include <sys/ttydefaults.h>
   #endif

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