56 lines
1.2 KiB
C
56 lines
1.2 KiB
C
/* $NetBSD: hack.ioctl.c,v 1.6 1997/10/19 16:58:07 christos Exp $ */
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/*
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* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: hack.ioctl.c,v 1.6 1997/10/19 16:58:07 christos Exp $");
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#endif /* not lint */
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/*
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* This cannot be part of hack.tty.c (as it was earlier) since on some
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* systems (e.g. MUNIX) the include files <termio.h> and <sgtty.h> define the
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* same constants, and the C preprocessor complains.
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*/
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#include <termios.h>
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#include "hack.h"
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#include "extern.h"
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struct termios termios;
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void
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getioctls()
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{
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(void) tcgetattr(fileno(stdin), &termios);
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}
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void
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setioctls()
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{
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(void) tcsetattr(fileno(stdin), TCSADRAIN, &termios);
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}
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#ifdef SUSPEND /* implies BSD */
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#include <signal.h>
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int
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dosuspend()
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{
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#ifdef SIGTSTP
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if (signal(SIGTSTP, SIG_IGN) == SIG_DFL) {
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settty((char *) 0);
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(void) signal(SIGTSTP, SIG_DFL);
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(void) kill(0, SIGTSTP);
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gettty();
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setftty();
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docrt();
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} else {
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pline("I don't think your shell has job control.");
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}
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#else /* SIGTSTP */
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pline("Sorry, it seems we have no SIGTSTP here. Try ! or S.");
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#endif /* SIGTSTP */
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return (0);
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}
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#endif /* SUSPEND */
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