xref: /illumos-gate/usr/src/cmd/dtrace/demo/fbt/xioctl.d (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate  * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate  *
4*7c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate  * with the License.
8*7c478bd9Sstevel@tonic-gate  *
9*7c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate  * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate  *
14*7c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate  *
20*7c478bd9Sstevel@tonic-gate  * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate  */
22*7c478bd9Sstevel@tonic-gate /*
23*7c478bd9Sstevel@tonic-gate  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24*7c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
25*7c478bd9Sstevel@tonic-gate  */
26*7c478bd9Sstevel@tonic-gate 
27*7c478bd9Sstevel@tonic-gate /*
28*7c478bd9Sstevel@tonic-gate  * To make the output more readable, we want to indent every function entry
29*7c478bd9Sstevel@tonic-gate  * (and unindent every function return).  This is done by setting the
30*7c478bd9Sstevel@tonic-gate  * "flowindent" option.
31*7c478bd9Sstevel@tonic-gate  */
32*7c478bd9Sstevel@tonic-gate #pragma D option flowindent
33*7c478bd9Sstevel@tonic-gate 
34*7c478bd9Sstevel@tonic-gate syscall::ioctl:entry
35*7c478bd9Sstevel@tonic-gate /execname == "xclock" && guard++ == 0/
36*7c478bd9Sstevel@tonic-gate {
37*7c478bd9Sstevel@tonic-gate 	self->traceme = 1;
38*7c478bd9Sstevel@tonic-gate 	printf("fd: %d", arg0);
39*7c478bd9Sstevel@tonic-gate }
40*7c478bd9Sstevel@tonic-gate 
41*7c478bd9Sstevel@tonic-gate fbt:::
42*7c478bd9Sstevel@tonic-gate /self->traceme/
43*7c478bd9Sstevel@tonic-gate {}
44*7c478bd9Sstevel@tonic-gate 
45*7c478bd9Sstevel@tonic-gate syscall::ioctl:return
46*7c478bd9Sstevel@tonic-gate /self->traceme/
47*7c478bd9Sstevel@tonic-gate {
48*7c478bd9Sstevel@tonic-gate 	self->traceme = 0;
49*7c478bd9Sstevel@tonic-gate 	exit(0);
50*7c478bd9Sstevel@tonic-gate }
51