xref: /illumos-gate/usr/src/cmd/dtrace/test/tst/common/pid/tst.weak2.d (revision 89b2a9fbeabf42fa54594df0e5927bcc50a07cc9)
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: check that we prefer weak symbols to local ones
31  *
32  * SECTION: pid provider
33  */
34 
35 #pragma D option destructive
36 
37 BEGIN
38 {
39 	/*
40 	 * Wait no more than a second for the first call to getpid(2).
41 	 */
42 	timeout = timestamp + 1000000000;
43 }
44 
45 syscall::getpid:return
46 /pid == $1/
47 {
48 	i = 0;
49 	raise(SIGUSR1);
50 	/*
51 	 * Wait half a second after raising the signal.
52 	 */
53 	timeout = timestamp + 500000000;
54 }
55 
56 pid$1:a.out:go:entry,
57 pid$1:a.out:_go:entry
58 /probefunc == "_go"/
59 {
60 	i++;
61 }
62 
63 pid$1:a.out:go:entry,
64 pid$1:a.out:_go:entry
65 /probefunc == "go"/
66 {
67 	trace("resolved to '_go' rather than 'go'");
68 	exit(1);
69 }
70 
71 pid$1:a.out:go:entry,
72 pid$1:a.out:_go:entry
73 /i == 2/
74 {
75 	exit(0);
76 }
77 
78 profile:::tick-4
79 /timestamp > timeout/
80 {
81 	trace("test timed out");
82 	exit(1);
83 }
84