xref: /illumos-gate/usr/src/cmd/dtrace/test/tst/common/speculation/tst.DiscardAftDataRec.d (revision 5801b0f01c3c34499a929ed96164a5a68b470945)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 /*
30  * ASSERTION:
31  * Discard may not follow data recording actions.
32  *
33  * SECTION: Speculative Tracing/Discarding a Speculation
34  *
35  */
36 
37 #pragma D option quiet
38 
39 BEGIN
40 {
41 	self->spec = speculation();
42 	printf("Speculative buffer ID: %d\n", self->spec);
43 }
44 
45 BEGIN
46 {
47 	printf("Can have data recording before discarding\n");
48 	discard(self->spec);
49 	exit(0);
50 }
51