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 * ASSERTION: Using exit after discard should work fine. 29 * 30 * SECTION: Speculative Tracing/Discarding a Speculation 31 * 32 */ 33 #pragma D option quiet 34 35 BEGIN 36 { 37 self->i = 0; 38 self->spec = speculation(); 39 } 40 41 BEGIN 42 /self->spec/ 43 { 44 speculate(self->spec); 45 self->i++; 46 printf("self->i: %d\n", self->i); 47 } 48 49 BEGIN 50 /self->i/ 51 { 52 discard(self->spec); 53 exit(0); 54 } 55