1*9512fe85Sahl #!/usr/sbin/dtrace -Fs 2*9512fe85Sahl 3*9512fe85Sahl 4*9512fe85Sahl /* 5*9512fe85Sahl * CDDL HEADER START 6*9512fe85Sahl * 7*9512fe85Sahl * The contents of this file are subject to the terms of the 8*9512fe85Sahl * Common Development and Distribution License (the "License"). 9*9512fe85Sahl * You may not use this file except in compliance with the License. 10*9512fe85Sahl * 11*9512fe85Sahl * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 12*9512fe85Sahl * or http://www.opensolaris.org/os/licensing. 13*9512fe85Sahl * See the License for the specific language governing permissions 14*9512fe85Sahl * and limitations under the License. 15*9512fe85Sahl * 16*9512fe85Sahl * When distributing Covered Code, include this CDDL HEADER in each 17*9512fe85Sahl * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 18*9512fe85Sahl * If applicable, add the following below this CDDL HEADER, with the 19*9512fe85Sahl * fields enclosed by brackets "[]" replaced with your own identifying 20*9512fe85Sahl * information: Portions Copyright [yyyy] [name of copyright owner] 21*9512fe85Sahl * 22*9512fe85Sahl * CDDL HEADER END 23*9512fe85Sahl */ 24*9512fe85Sahl 25*9512fe85Sahl /* 26*9512fe85Sahl * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 27*9512fe85Sahl * Use is subject to license terms. 28*9512fe85Sahl */ 29*9512fe85Sahl 30*9512fe85Sahl /* 31*9512fe85Sahl * ASSERTION: 32*9512fe85Sahl * Verify doc example 13-1 33*9512fe85Sahl * 34*9512fe85Sahl * SECTION: 35*9512fe85Sahl * DocExamples/specopen 36*9512fe85Sahl */ 37*9512fe85Sahl 38*9512fe85Sahl syscall::open:entry, 39*9512fe85Sahl syscall::open64:entry 40*9512fe85Sahl { 41*9512fe85Sahl self->spec = speculation(); 42*9512fe85Sahl speculate(self->spec); 43*9512fe85Sahl 44*9512fe85Sahl printf("%s", stringof(copyinstr(arg0))); 45*9512fe85Sahl } 46*9512fe85Sahl 47*9512fe85Sahl fbt::: 48*9512fe85Sahl /self->spec/ 49*9512fe85Sahl { 50*9512fe85Sahl speculate(self->spec); 51*9512fe85Sahl } 52*9512fe85Sahl 53*9512fe85Sahl syscall::open:return, 54*9512fe85Sahl syscall::open64:return 55*9512fe85Sahl /self->spec/ 56*9512fe85Sahl { 57*9512fe85Sahl speculate(self->spec); 58*9512fe85Sahl trace(errno); 59*9512fe85Sahl } 60*9512fe85Sahl 61*9512fe85Sahl syscall::open:return, 62*9512fe85Sahl syscall::open64:return 63*9512fe85Sahl /self->spec && errno != 0/ 64*9512fe85Sahl { 65*9512fe85Sahl commit(self->spec); 66*9512fe85Sahl self->spec = 0; 67*9512fe85Sahl } 68*9512fe85Sahl 69*9512fe85Sahl syscall::open:return, 70*9512fe85Sahl syscall::open64:return 71*9512fe85Sahl /self->spec && errno == 0/ 72*9512fe85Sahl { 73*9512fe85Sahl discard(self->spec); 74*9512fe85Sahl self->spec = 0; 75*9512fe85Sahl } 76*9512fe85Sahl 77*9512fe85Sahl 78