17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 77c478bd9Sstevel@tonic-gate * with the License. 87c478bd9Sstevel@tonic-gate * 97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 127c478bd9Sstevel@tonic-gate * and limitations under the License. 137c478bd9Sstevel@tonic-gate * 147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 197c478bd9Sstevel@tonic-gate * 207c478bd9Sstevel@tonic-gate * CDDL HEADER END 217c478bd9Sstevel@tonic-gate */ 227c478bd9Sstevel@tonic-gate /* 23*49e7ca49Speteh * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 287c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate /* 317c478bd9Sstevel@tonic-gate * University Copyright- Copyright (c) 1982, 1986, 1988 327c478bd9Sstevel@tonic-gate * The Regents of the University of California 337c478bd9Sstevel@tonic-gate * All Rights Reserved 347c478bd9Sstevel@tonic-gate * 357c478bd9Sstevel@tonic-gate * University Acknowledgment- Portions of this document are derived from 367c478bd9Sstevel@tonic-gate * software developed by the University of California, Berkeley, and its 377c478bd9Sstevel@tonic-gate * contributors. 387c478bd9Sstevel@tonic-gate */ 397c478bd9Sstevel@tonic-gate 407c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 417c478bd9Sstevel@tonic-gate 427c478bd9Sstevel@tonic-gate #include <sys/termios.h> 437c478bd9Sstevel@tonic-gate #include <fcntl.h> 447c478bd9Sstevel@tonic-gate 457c478bd9Sstevel@tonic-gate /* 467c478bd9Sstevel@tonic-gate * detach from tty 477c478bd9Sstevel@tonic-gate */ 48*49e7ca49Speteh void 49*49e7ca49Speteh detachfromtty(void) 507c478bd9Sstevel@tonic-gate { 517c478bd9Sstevel@tonic-gate int tt; 527c478bd9Sstevel@tonic-gate 537c478bd9Sstevel@tonic-gate close(0); 547c478bd9Sstevel@tonic-gate close(1); 557c478bd9Sstevel@tonic-gate close(2); 567c478bd9Sstevel@tonic-gate switch (fork1()) { 577c478bd9Sstevel@tonic-gate case -1: 587c478bd9Sstevel@tonic-gate perror("fork1"); 597c478bd9Sstevel@tonic-gate break; 607c478bd9Sstevel@tonic-gate case 0: 617c478bd9Sstevel@tonic-gate break; 627c478bd9Sstevel@tonic-gate default: 637c478bd9Sstevel@tonic-gate exit(0); 647c478bd9Sstevel@tonic-gate } 657c478bd9Sstevel@tonic-gate 667c478bd9Sstevel@tonic-gate /* become session leader, and disassociate from controlling tty */ 677c478bd9Sstevel@tonic-gate (void) setsid(); 687c478bd9Sstevel@tonic-gate 697c478bd9Sstevel@tonic-gate (void) open("/dev/null", O_RDWR, 0); 707c478bd9Sstevel@tonic-gate dup(0); 717c478bd9Sstevel@tonic-gate dup(0); 727c478bd9Sstevel@tonic-gate } 73