1*2633Sahl #!/usr/sbin/dtrace -Fs 2*2633Sahl 3*2633Sahl 4*2633Sahl /* 5*2633Sahl * CDDL HEADER START 6*2633Sahl * 7*2633Sahl * The contents of this file are subject to the terms of the 8*2633Sahl * Common Development and Distribution License (the "License"). 9*2633Sahl * You may not use this file except in compliance with the License. 10*2633Sahl * 11*2633Sahl * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 12*2633Sahl * or http://www.opensolaris.org/os/licensing. 13*2633Sahl * See the License for the specific language governing permissions 14*2633Sahl * and limitations under the License. 15*2633Sahl * 16*2633Sahl * When distributing Covered Code, include this CDDL HEADER in each 17*2633Sahl * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 18*2633Sahl * If applicable, add the following below this CDDL HEADER, with the 19*2633Sahl * fields enclosed by brackets "[]" replaced with your own identifying 20*2633Sahl * information: Portions Copyright [yyyy] [name of copyright owner] 21*2633Sahl * 22*2633Sahl * CDDL HEADER END 23*2633Sahl */ 24*2633Sahl 25*2633Sahl /* 26*2633Sahl * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 27*2633Sahl * Use is subject to license terms. 28*2633Sahl */ 29*2633Sahl 30*2633Sahl #pragma ident "%Z%%M% %I% %E% SMI" 31*2633Sahl 32*2633Sahl /* 33*2633Sahl * ASSERTION: 34*2633Sahl * Verify doc example 13-1 35*2633Sahl * 36*2633Sahl * SECTION: 37*2633Sahl * DocExamples/specopen 38*2633Sahl */ 39*2633Sahl 40*2633Sahl syscall::open:entry, 41*2633Sahl syscall::open64:entry 42*2633Sahl { 43*2633Sahl self->spec = speculation(); 44*2633Sahl speculate(self->spec); 45*2633Sahl 46*2633Sahl printf("%s", stringof(copyinstr(arg0))); 47*2633Sahl } 48*2633Sahl 49*2633Sahl fbt::: 50*2633Sahl /self->spec/ 51*2633Sahl { 52*2633Sahl speculate(self->spec); 53*2633Sahl } 54*2633Sahl 55*2633Sahl syscall::open:return, 56*2633Sahl syscall::open64:return 57*2633Sahl /self->spec/ 58*2633Sahl { 59*2633Sahl speculate(self->spec); 60*2633Sahl trace(errno); 61*2633Sahl } 62*2633Sahl 63*2633Sahl syscall::open:return, 64*2633Sahl syscall::open64:return 65*2633Sahl /self->spec && errno != 0/ 66*2633Sahl { 67*2633Sahl commit(self->spec); 68*2633Sahl self->spec = 0; 69*2633Sahl } 70*2633Sahl 71*2633Sahl syscall::open:return, 72*2633Sahl syscall::open64:return 73*2633Sahl /self->spec && errno == 0/ 74*2633Sahl { 75*2633Sahl discard(self->spec); 76*2633Sahl self->spec = 0; 77*2633Sahl } 78*2633Sahl 79*2633Sahl 80