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