10Sstevel@tonic-gate /* 20Sstevel@tonic-gate * CDDL HEADER START 30Sstevel@tonic-gate * 40Sstevel@tonic-gate * The contents of this file are subject to the terms of the 50Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 60Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 70Sstevel@tonic-gate * with the License. 80Sstevel@tonic-gate * 90Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 100Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 110Sstevel@tonic-gate * See the License for the specific language governing permissions 120Sstevel@tonic-gate * and limitations under the License. 130Sstevel@tonic-gate * 140Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 150Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 160Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 170Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 180Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 190Sstevel@tonic-gate * 200Sstevel@tonic-gate * CDDL HEADER END 210Sstevel@tonic-gate */ 220Sstevel@tonic-gate /* 230Sstevel@tonic-gate * Copyright 1993 Sun Microsystems, Inc. All rights reserved. 240Sstevel@tonic-gate * Use is subject to license terms. 250Sstevel@tonic-gate */ 260Sstevel@tonic-gate 270Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 280Sstevel@tonic-gate 29*722Smuffin #include <errno.h> 300Sstevel@tonic-gate 310Sstevel@tonic-gate 320Sstevel@tonic-gate static int setsid_called = 0; 330Sstevel@tonic-gate static int real_setsid_called=0; 340Sstevel@tonic-gate static int setsid_val, setsid_errno; 350Sstevel@tonic-gate 360Sstevel@tonic-gate 370Sstevel@tonic-gate /* setpgrp system call number, setsid command code */ 380Sstevel@tonic-gate #define SYS_pgrpsys 39 390Sstevel@tonic-gate #define SYS_setsid 3 400Sstevel@tonic-gate 41*722Smuffin int setsid(void)42*722Smuffinsetsid(void) 430Sstevel@tonic-gate { 440Sstevel@tonic-gate if (setsid_called != getpid()) { 450Sstevel@tonic-gate setsid_called = getpid(); 46*722Smuffin return (bc_setsid()); 470Sstevel@tonic-gate } else { 480Sstevel@tonic-gate errno = EPERM; 49*722Smuffin return (-1); 500Sstevel@tonic-gate } 510Sstevel@tonic-gate } 520Sstevel@tonic-gate 530Sstevel@tonic-gate 540Sstevel@tonic-gate 550Sstevel@tonic-gate int bc_setsid(void)56*722Smuffinbc_setsid(void) 570Sstevel@tonic-gate { 580Sstevel@tonic-gate if (real_setsid_called != getpid()) { 590Sstevel@tonic-gate real_setsid_called = getpid(); 600Sstevel@tonic-gate setsid_val = _syscall(SYS_pgrpsys, SYS_setsid); 610Sstevel@tonic-gate setsid_errno = errno; 620Sstevel@tonic-gate } 630Sstevel@tonic-gate errno = setsid_errno; 64*722Smuffin return (setsid_val); 650Sstevel@tonic-gate } 66