NetBSD/games/hack/hack.ioctl.c

/*	$NetBSD: hack.ioctl.c,v 1.6 1997/10/19 16:58:07 christos Exp $	*/

/*
 * Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985.
 */

#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: hack.ioctl.c,v 1.6 1997/10/19 16:58:07 christos Exp $");
#endif				/* not lint */

/*
 * This cannot be part of hack.tty.c (as it was earlier) since on some
 * systems (e.g. MUNIX) the include files <termio.h> and <sgtty.h> define the
 * same constants, and the C preprocessor complains.
 */
#include <termios.h>
#include "hack.h"
#include "extern.h"
struct termios  termios;

void
getioctls()
{
	(void) tcgetattr(fileno(stdin), &termios);
}

void
setioctls()
{
	(void) tcsetattr(fileno(stdin), TCSADRAIN, &termios);
}

#ifdef SUSPEND			/* implies BSD */
#include	<signal.h>
int
dosuspend()
{
#ifdef SIGTSTP
	if (signal(SIGTSTP, SIG_IGN) == SIG_DFL) {
		settty((char *) 0);
		(void) signal(SIGTSTP, SIG_DFL);
		(void) kill(0, SIGTSTP);
		gettty();
		setftty();
		docrt();
	} else {
		pline("I don't think your shell has job control.");
	}
#else	/* SIGTSTP */
	pline("Sorry, it seems we have no SIGTSTP here. Try ! or S.");
#endif				/* SIGTSTP */
	return (0);
}
#endif				/* SUSPEND */