usr/src/lib/libshell/common/include/terminal.h

   1 /***********************************************************************
   2 *                                                                      *
   3 *               This software is part of the ast package               *
   4 *          Copyright (c) 1982-2010 AT&T Intellectual Property          *
   5 *                      and is licensed under the                       *
   6 *                  Common Public License, Version 1.0                  *
   7 *                    by AT&T Intellectual Property                     *
   8 *                                                                      *
   9 *                A copy of the License is available at                 *
  10 *            http://www.opensource.org/licenses/cpl1.0.txt             *
  11 *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
  12 *                                                                      *
  13 *              Information and Software Systems Research               *
  14 *                            AT&T Research                             *
  15 *                           Florham Park NJ                            *
  16 *                                                                      *
  17 *                  David Korn <dgk@research.att.com>                   *
  18 *                                                                      *
  19 ***********************************************************************/
  20 #pragma prototyped
  21
  22 #ifndef _terminal_
  23 #define _terminal_      1
  24
  25 #include        "FEATURE/ttys"
  26 /*
  27  * terminal interface
  28  * complicated by the fact that there are so many variations
  29  * This will use POSIX <termios.h> interface where available
  30  */
  31
  32 #ifdef _hdr_termios
  33 #   include     <termios.h>
  34 #   if __sgi__ || sgi   /* special hack to eliminate ^M problem */
  35 #       ifndef ECHOCTL
  36 #           define ECHOCTL      ECHOE
  37 #       endif /* ECHOCTL */
  38 #       ifndef CNSUSP
  39 #           define CNSUSP       CNSWTCH
  40 #       endif /* CNSUSP */
  41 #   endif /* sgi */
  42 #   ifdef _NEXT_SOURCE
  43 #       define _lib_tcgetattr   1
  44 #       define _lib_tcgetpgrp   1
  45 #   endif /* _NEXT_SOURCE */
  46 #else
  47 #   if defined(_sys_termios) && defined(_lib_tcgetattr)
  48 #       include <sys/termios.h>
  49 #       define _hdr_termios
  50 #   else
  51 #       undef _sys_termios
  52 #   endif /* _sys_termios */
  53 #endif /* _hdr_termios */
  54
  55 #ifdef _hdr_termios
  56 #   undef _hdr_sgtty
  57 #   undef tcgetattr
  58 #   undef tcsetattr
  59 #   undef tcgetpgrp
  60 #   undef tcsetpgrp
  61 #   undef cfgetospeed
  62 #   ifndef TCSANOW
  63 #       define TCSANOW          TCSETS
  64 #       define TCSADRAIN        TCSETSW
  65 #       define TCSAFLUSH        TCSETSF
  66 #   endif /* TCSANOW */
  67     /* The following corrects bugs in some implementations */
  68 #   if defined(TCSADFLUSH) && !defined(TCSAFLUSH)
  69 #       define TCSAFLUSH        TCSADFLUSH
  70 #   endif /* TCSADFLUSH */
  71 #   ifndef _lib_tcgetattr
  72 #       undef  tcgetattr
  73 #       define tcgetattr(fd,tty)        ioctl(fd, TCGETS, tty)
  74 #       undef  tcsetattr
  75 #       define tcsetattr(fd,action,tty) ioctl(fd, action, tty)
  76 #       undef  cfgetospeed
  77 #       define cfgetospeed(tp)          ((tp)->c_cflag & CBAUD)
  78 #   endif /* _lib_tcgetattr */
  79 #   undef TIOCGETC
  80 #   if SHOPT_OLDTERMIO  /* use both termios and termio */
  81 #       ifdef _hdr_termio
  82 #           include     <termio.h>
  83 #       else
  84 #           ifdef _sys_termio
  85 #               include <sys/termio.h>
  86 #               define _hdr_termio 1
  87 #           else
  88 #               undef SHOPT_OLDTERMIO
  89 #           endif /* _sys_termio */
  90 #       endif /* _hdr_termio */
  91 #   endif /* SHOPT_OLDTERMIO */
  92 #else
  93 #   define cfgetospeed(tp)      ((tp)->c_cflag & CBAUD)
  94 #   undef SHOPT_OLDTERMIO
  95 #   ifdef _hdr_termio
  96 #       include <termio.h>
  97 #   else
  98 #       ifdef _sys_termio
  99 #           include     <sys/termio.h>
 100 #           define _hdr_termio 1
 101 #       endif /* _sys_termio */
 102 #   endif /* _hdr_termio */
 103 #   ifdef _hdr_termio
 104 #       define termios termio
 105 #       undef TIOCGETC
 106 #       define tcgetattr(fd,tty)                ioctl(fd, TCGETA, tty)
 107 #       define tcsetattr(fd,action,tty) ioctl(fd, action, tty)
 108
 109 #       ifdef _sys_bsdtty
 110 #          include      <sys/bsdtty.h>
 111 #       endif /* _sys_bsdtty */
 112 #   else
 113 #       ifdef _hdr_sgtty
 114 #           include     <sgtty.h>
 115 #           ifndef LPENDIN
 116 #               ifdef _sys_nttyio
 117 #                   include     <sys/nttyio.h>
 118 #               endif /* _sys_nttyio */
 119 #           endif /* LPENDIN */
 120 #           define termios sgttyb
 121 #           ifdef TIOCSETN
 122 #               undef TCSETAW
 123 #           endif /* TIOCSETN */
 124 #           ifdef TIOCGETP
 125 #               define tcgetattr(fd,tty)                ioctl(fd, TIOCGETP, tty)
 126 #               define tcsetattr(fd,action,tty) ioctl(fd, action, tty)
 127 #           else
 128 #               define tcgetattr(fd,tty)        gtty(fd, tty)
 129 #               define tcsetattr(fd,action,tty) stty(fd, tty)
 130 #           endif /* TIOCGETP */
 131 #       endif /* _hdr_sgtty */
 132 #   endif /* hdr_termio */
 133
 134 #   ifndef TCSANOW
 135 #       ifdef TCSETAW
 136 #           define TCSANOW      TCSETA
 137 #           ifdef u370
 138             /* delays are too long, don't wait for output to drain */
 139 #               define TCSADRAIN        TCSETA
 140 #           else
 141 #               define TCSADRAIN        TCSETAW
 142 #           endif /* u370 */
 143 #           define TCSAFLUSH    TCSETAF
 144 #       else
 145 #           ifdef TIOCSETN
 146 #               define TCSANOW  TIOCSETN
 147 #               define TCSADRAIN        TIOCSETN
 148 #               define TCSAFLUSH        TIOCSETP
 149 #           endif /* TIOCSETN */
 150 #       endif /* TCSETAW */
 151 #   endif /* TCSANOW */
 152 #endif /* _hdr_termios */
 153
 154 /* set ECHOCTL if driver can echo control charaters as ^c */
 155 #ifdef LCTLECH
 156 #   ifndef ECHOCTL
 157 #       define ECHOCTL  LCTLECH
 158 #   endif /* !ECHOCTL */
 159 #endif /* LCTLECH */
 160 #ifdef LNEW_CTLECH
 161 #   ifndef ECHOCTL
 162 #       define ECHOCTL  LNEW_CTLECH
 163 #   endif /* !ECHOCTL */
 164 #endif /* LNEW_CTLECH */
 165 #ifdef LNEW_PENDIN
 166 #   ifndef PENDIN
 167 #       define PENDIN LNEW_PENDIN
 168 #  endif /* !PENDIN */
 169 #endif /* LNEW_PENDIN */
 170 #ifndef ECHOCTL
 171 #   ifndef VEOL
 172 #       define RAWONLY  1
 173 #   endif /* !VEOL */
 174 #endif /* !ECHOCTL */
 175
 176 #ifdef _sys_filio
 177 #   ifndef FIONREAD
 178 #       include <sys/filio.h>
 179 #   endif /* FIONREAD */
 180 #endif /* _sys_filio */
 181 /* set FIORDCHK if you can check for characters in input queue */
 182 #ifdef FIONREAD
 183 #   ifndef FIORDCHK
 184 #       define FIORDCHK FIONREAD
 185 #   endif /* !FIORDCHK */
 186 #endif /* FIONREAD */
 187
 188 extern int      tty_alt(int);
 189 extern void     tty_cooked(int);
 190 extern int      tty_get(int,struct termios*);
 191 extern int      tty_raw(int,int);
 192 extern int      tty_check(int);
 193 extern int      tty_set(int, int, struct termios*);
 194
 195 #endif /* _terminal_ */