1*2be1a816SJohn Birrell #!/usr/sbin/dtrace -Fs 2*2be1a816SJohn Birrell 3*2be1a816SJohn Birrell 4*2be1a816SJohn Birrell /* 5*2be1a816SJohn Birrell * CDDL HEADER START 6*2be1a816SJohn Birrell * 7*2be1a816SJohn Birrell * The contents of this file are subject to the terms of the 8*2be1a816SJohn Birrell * Common Development and Distribution License (the "License"). 9*2be1a816SJohn Birrell * You may not use this file except in compliance with the License. 10*2be1a816SJohn Birrell * 11*2be1a816SJohn Birrell * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 12*2be1a816SJohn Birrell * or http://www.opensolaris.org/os/licensing. 13*2be1a816SJohn Birrell * See the License for the specific language governing permissions 14*2be1a816SJohn Birrell * and limitations under the License. 15*2be1a816SJohn Birrell * 16*2be1a816SJohn Birrell * When distributing Covered Code, include this CDDL HEADER in each 17*2be1a816SJohn Birrell * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 18*2be1a816SJohn Birrell * If applicable, add the following below this CDDL HEADER, with the 19*2be1a816SJohn Birrell * fields enclosed by brackets "[]" replaced with your own identifying 20*2be1a816SJohn Birrell * information: Portions Copyright [yyyy] [name of copyright owner] 21*2be1a816SJohn Birrell * 22*2be1a816SJohn Birrell * CDDL HEADER END 23*2be1a816SJohn Birrell */ 24*2be1a816SJohn Birrell 25*2be1a816SJohn Birrell /* 26*2be1a816SJohn Birrell * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 27*2be1a816SJohn Birrell * Use is subject to license terms. 28*2be1a816SJohn Birrell */ 29*2be1a816SJohn Birrell 30*2be1a816SJohn Birrell #pragma ident "%Z%%M% %I% %E% SMI" 31*2be1a816SJohn Birrell 32*2be1a816SJohn Birrell /* 33*2be1a816SJohn Birrell * ASSERTION: 34*2be1a816SJohn Birrell * Verify doc example 13-1 35*2be1a816SJohn Birrell * 36*2be1a816SJohn Birrell * SECTION: 37*2be1a816SJohn Birrell * DocExamples/specopen 38*2be1a816SJohn Birrell */ 39*2be1a816SJohn Birrell 40*2be1a816SJohn Birrell syscall::open:entry, 41*2be1a816SJohn Birrell syscall::open64:entry 42*2be1a816SJohn Birrell { 43*2be1a816SJohn Birrell self->spec = speculation(); 44*2be1a816SJohn Birrell speculate(self->spec); 45*2be1a816SJohn Birrell 46*2be1a816SJohn Birrell printf("%s", stringof(copyinstr(arg0))); 47*2be1a816SJohn Birrell } 48*2be1a816SJohn Birrell 49*2be1a816SJohn Birrell fbt::: 50*2be1a816SJohn Birrell /self->spec/ 51*2be1a816SJohn Birrell { 52*2be1a816SJohn Birrell speculate(self->spec); 53*2be1a816SJohn Birrell } 54*2be1a816SJohn Birrell 55*2be1a816SJohn Birrell syscall::open:return, 56*2be1a816SJohn Birrell syscall::open64:return 57*2be1a816SJohn Birrell /self->spec/ 58*2be1a816SJohn Birrell { 59*2be1a816SJohn Birrell speculate(self->spec); 60*2be1a816SJohn Birrell trace(errno); 61*2be1a816SJohn Birrell } 62*2be1a816SJohn Birrell 63*2be1a816SJohn Birrell syscall::open:return, 64*2be1a816SJohn Birrell syscall::open64:return 65*2be1a816SJohn Birrell /self->spec && errno != 0/ 66*2be1a816SJohn Birrell { 67*2be1a816SJohn Birrell commit(self->spec); 68*2be1a816SJohn Birrell self->spec = 0; 69*2be1a816SJohn Birrell } 70*2be1a816SJohn Birrell 71*2be1a816SJohn Birrell syscall::open:return, 72*2be1a816SJohn Birrell syscall::open64:return 73*2be1a816SJohn Birrell /self->spec && errno == 0/ 74*2be1a816SJohn Birrell { 75*2be1a816SJohn Birrell discard(self->spec); 76*2be1a816SJohn Birrell self->spec = 0; 77*2be1a816SJohn Birrell } 78*2be1a816SJohn Birrell 79*2be1a816SJohn Birrell 80