games/hack/hack.ioctl.c

   1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
   2 /* hack.ioctl.c - version 1.0.2 */
   3 /* $FreeBSD: src/games/hack/hack.ioctl.c,v 1.2 1999/09/12 07:01:23 marcel Exp $
   4    $DragonFly: src/games/hack/hack.ioctl.c,v 1.3 2004/11/06 12:29:17 eirikn Exp $
   5
   6    This cannot be part of hack.tty.c (as it was earlier) since on some
   7    systems (e.g. MUNIX) the include files <termio.h> and <sgtty.h>
   8    define the same constants, and the C preprocessor complains. */
   9 #include <stdio.h>
  10 #include "config.h"
  11 #ifdef BSD
  12 #include        <sgtty.h>
  13 struct ltchars ltchars, ltchars0;
  14 #else
  15 #include        <termio.h>      /* also includes part of <sgtty.h> */
  16 struct termio termio;
  17 #endif /* BSD */
  18
  19 getioctls() {
  20 #ifdef BSD
  21         (void) ioctl(fileno(stdin), (int) TIOCGLTC, (char *) &ltchars);
  22         (void) ioctl(fileno(stdin), (int) TIOCSLTC, (char *) &ltchars0);
  23 #else
  24         (void) ioctl(fileno(stdin), (int) TCGETA, &termio);
  25 #endif /* BSD */
  26 }
  27
  28 setioctls() {
  29 #ifdef BSD
  30         (void) ioctl(fileno(stdin), (int) TIOCSLTC, (char *) &ltchars);
  31 #else
  32         (void) ioctl(fileno(stdin), (int) TCSETA, &termio);
  33 #endif /* BSD */
  34 }
  35
  36 #ifdef SUSPEND          /* implies BSD */
  37 #include        <signal.h>
  38 dosuspend() {
  39 #ifdef SIGTSTP
  40         if(signal(SIGTSTP, SIG_IGN) == SIG_DFL) {
  41                 settty((char *) 0);
  42                 (void) signal(SIGTSTP, SIG_DFL);
  43                 (void) kill(0, SIGTSTP);
  44                 gettty();
  45                 setftty();
  46                 docrt();
  47         } else {
  48                 pline("I don't think your shell has job control.");
  49         }
  50 #else /* SIGTSTP */
  51         pline("Sorry, it seems we have no SIGTSTP here. Try ! or S.");
  52 #endif /* SIGTSTP */
  53         return(0);
  54 }
  55 #endif /* SUSPEND */