bits/ioctl-types.h

   1 /* Structure types for pre-termios terminal ioctls.  Generic Unix version.
   2    Copyright (C) 1996-2018 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 Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the 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    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #ifndef _SYS_IOCTL_H
  20 # error "Never use <bits/ioctl-types.h> directly; include <sys/ioctl.h> instead."
  21 #endif
  22
  23 #if defined TIOCGETC || defined TIOCSETC
  24 /* Type of ARG for TIOCGETC and TIOCSETC requests.  */
  25 struct tchars
  26 {
  27   char t_intrc;                 /* Interrupt character.  */
  28   char t_quitc;                 /* Quit character.  */
  29   char t_startc;                /* Start-output character.  */
  30   char t_stopc;                 /* Stop-output character.  */
  31   char t_eofc;                  /* End-of-file character.  */
  32   char t_brkc;                  /* Input delimiter character.  */
  33 };
  34
  35 # define        _IOT_tchars     /* Hurd ioctl type field.  */ \
  36   _IOT (_IOTS (char), 6, 0, 0, 0, 0)
  37 #endif
  38
  39 #if defined TIOCGLTC || defined TIOCSLTC
  40 /* Type of ARG for TIOCGLTC and TIOCSLTC requests.  */
  41 struct ltchars
  42 {
  43   char t_suspc;                 /* Suspend character.  */
  44   char t_dsuspc;                /* Delayed suspend character.  */
  45   char t_rprntc;                /* Reprint-line character.  */
  46   char t_flushc;                /* Flush-output character.  */
  47   char t_werasc;                /* Word-erase character.  */
  48   char t_lnextc;                /* Literal-next character.  */
  49 };
  50
  51 # define        _IOT_ltchars    /* Hurd ioctl type field.  */ \
  52   _IOT (_IOTS (char), 6, 0, 0, 0, 0)
  53 #endif
  54
  55 /* Type of ARG for TIOCGETP and TIOCSETP requests (and gtty and stty).  */
  56 struct sgttyb
  57 {
  58   char sg_ispeed;               /* Input speed.  */
  59   char sg_ospeed;               /* Output speed.  */
  60   char sg_erase;                /* Erase character.  */
  61   char sg_kill;                 /* Kill character.  */
  62   short int sg_flags;           /* Mode flags.  */
  63 };
  64
  65 #define _IOT_sgttyb     /* Hurd ioctl type field.  */ \
  66   _IOT (_IOTS (char), 4, _IOTS (short int), 1, 0, 0)
  67
  68 #if defined TIOCGWINSZ || defined TIOCSWINSZ
  69 /* Type of ARG for TIOCGWINSZ and TIOCSWINSZ requests.  */
  70 struct winsize
  71 {
  72   unsigned short int ws_row;    /* Rows, in characters.  */
  73   unsigned short int ws_col;    /* Columns, in characters.  */
  74
  75   /* These are not actually used.  */
  76   unsigned short int ws_xpixel; /* Horizontal pixels.  */
  77   unsigned short int ws_ypixel; /* Vertical pixels.  */
  78 };
  79
  80 # define        _IOT_winsize    /* Hurd ioctl type field.  */ \
  81   _IOT (_IOTS (unsigned short int), 4, 0, 0, 0, 0)
  82 #endif
  83
  84 #if defined TIOCGSIZE || defined TIOCSSIZE
  85 /* The BSD-style ioctl constructor macros use `sizeof', which can't be used
  86    in a preprocessor conditional.  Since the commands are always unique
  87    regardless of the size bits, we can safely define away `sizeof' for the
  88    purpose of the conditional.  */
  89 # define sizeof(type) 0
  90 # if defined TIOCGWINSZ && TIOCGSIZE == TIOCGWINSZ
  91 /* Many systems that have TIOCGWINSZ define TIOCGSIZE for source
  92    compatibility with Sun; they define `struct ttysize' to have identical
  93    layout as `struct winsize' and #define TIOCGSIZE to be TIOCGWINSZ
  94    (likewise TIOCSSIZE and TIOCSWINSZ).  */
  95 struct ttysize
  96 {
  97   unsigned short int ts_lines;
  98   unsigned short int ts_cols;
  99   unsigned short int ts_xxx;
 100   unsigned short int ts_yyy;
 101 };
 102 #  define       _IOT_ttysize    _IOT_winsize
 103 # else
 104 /* Suns use a different layout for `struct ttysize', and TIOCGSIZE and
 105    TIOCGWINSZ are separate commands that do the same thing with different
 106    structures (likewise TIOCSSIZE and TIOCSWINSZ).  */
 107 struct ttysize
 108 {
 109   int ts_lines, ts_cols;        /* Lines and columns, in characters.  */
 110 };
 111 # endif
 112 # undef sizeof                  /* See above.  */
 113 #endif