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: 29 * Exit action may never be speculative. 30 * 31 * SECTION: Speculative Tracing/Using a Speculation 32 * 33 */ 34 #pragma D option quiet 35 BEGIN 36 { 37 i = 0; 38 } 39 40 syscall:::entry 41 { 42 self->spec = speculation(); 43 } 44 45 syscall::: 46 /self->spec/ 47 { 48 speculate(self->spec); 49 i++; 50 printf("i: %d\n", i); 51 exit(0); 52 } 53 54 syscall::: 55 /1 == i/ 56 { 57 exit(0); 58 } 59 60 END 61 { 62 exit(0); 63 } 64 65 ERROR 66 { 67 exit(0); 68 } 69