hack/hack.ioctl.c

   1 /*
   2  * Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985.
   3  */
   4
   5 #ifndef lint
   6 static char rcsid[] = "$NetBSD: hack.ioctl.c,v 1.5 1995/04/28 23:01:45 mycroft Exp $";
   7 #endif /* not lint */
   8
   9 /* This cannot be part of hack.tty.c (as it was earlier) since on some
  10    systems (e.g. MUNIX) the include files <termio.h> and <sgtty.h>
  11    define the same constants, and the C preprocessor complains. */
  12 #include <stdio.h>
  13 #include <termios.h>
  14 #include "config.h"
  15 struct termios termios;
  16
  17 getioctls() {
  18         (void) tcgetattr(fileno(stdin), &termios);
  19 }
  20
  21 setioctls() {
  22         (void) tcsetattr(fileno(stdin), TCSADRAIN, &termios);
  23 }
  24
  25 #ifdef SUSPEND          /* implies BSD */
  26 #include        <signal.h>
  27 dosuspend() {
  28 #ifdef SIGTSTP
  29         if(signal(SIGTSTP, SIG_IGN) == SIG_DFL) {
  30                 settty((char *) 0);
  31                 (void) signal(SIGTSTP, SIG_DFL);
  32                 (void) kill(0, SIGTSTP);
  33                 gettty();
  34                 setftty();
  35                 docrt();
  36         } else {
  37                 pline("I don't think your shell has job control.");
  38         }
  39 #else SIGTSTP
  40         pline("Sorry, it seems we have no SIGTSTP here. Try ! or S.");
  41 #endif SIGTSTP
  42         return(0);
  43 }
  44 #endif SUSPEND