1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 28 #pragma ident "%Z%%M% %I% %E% SMI" 29 30 /* 31 * ASSERTION: 32 * progenyof() should return non-zero if the pid passed is in the 33 # progeny of the calling process. 34 * 35 * SECTION: Actions and Subroutines/progenyof() 36 * 37 */ 38 39 #pragma D option quiet 40 41 42 BEGIN 43 { 44 res_1 = -1; 45 res_2 = -1; 46 res_3 = -1; 47 48 res_1 = progenyof($ppid); /* this will always be true */ 49 res_2 = progenyof($ppid + 1); /* this will always be false */ 50 res_3 = progenyof(1); /* this will always be true */ 51 } 52 53 54 tick-1 55 /res_1 > 0 && res_2 == 0 && res_3 > 0/ 56 { 57 exit(0); 58 } 59 60 tick-1 61 /res_1 <= 0 || res_2 != 0 || res_3 <= 0/ 62 { 63 exit(1); 64 } 65