69 lines
1.5 KiB
C
69 lines
1.5 KiB
C
/* Copyright (c) 1990, 1991 UNIX System Laboratories, Inc. */
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/* Copyright (c) 1984, 1986, 1987, 1988, 1989, 1990 AT&T */
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/* All Rights Reserved */
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/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF */
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/* UNIX System Laboratories, Inc. */
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/* The copyright notice above does not evidence any */
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/* actual or intended publication of such source code. */
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#ident "@(#)keyserv:detach.c 1.1.4.2"
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/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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* PROPRIETARY NOTICE (Combined)
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*
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* This source code is unpublished proprietary information
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* constituting, or derived under license from AT&T's UNIX(r) System V.
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* In addition, portions of such source code were derived from Berkeley
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* 4.3 BSD under license from the Regents of the University of
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* California.
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*
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*
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*
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* Copyright Notice
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*
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* Notice of copyright on this source code product does not indicate
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* publication.
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*
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* (c) 1986,1987,1988,1989,1990 Sun Microsystems, Inc
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* (c) 1983,1984,1985,1986,1987,1988,1989,1990 AT&T.
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* (c) 1990,1991 UNIX System Laboratories, Inc.
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* All rights reserved.
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*/
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#if !defined(lint) && defined(SCCSIDS)
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static char sccsid[] = "@(#)detach.c 1.2 89/03/19 Copyr 1986 Sun Micro";
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#endif
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/*
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* Copyright (C) 1986, Sun Microsystems, Inc.
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*/
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#include <sys/termios.h>
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#include <fcntl.h>
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/*
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* detach from tty
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*/
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detachfromtty()
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{
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int tt;
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close(0);
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close(1);
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close(2);
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switch (fork()) {
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case -1:
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perror("fork");
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break;
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case 0:
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break;
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default:
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exit(0);
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}
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setsid();
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(void)open("/dev/null", O_RDWR, 0);
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dup(0);
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dup(0);
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}
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