xref: /freebsd/sys/cddl/dev/dtrace/dtrace_test.c (revision 39beb93c3f8bdbf72a61fda42300b5ebed7390c8)
1 /*-
2  * Copyright 2008 John Birrell <jb@FreeBSD.org>
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16  * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23  * SUCH DAMAGE.
24  *
25  * $FreeBSD$
26  *
27  */
28 
29 #include <sys/cdefs.h>
30 #include <sys/types.h>
31 #include <sys/param.h>
32 #include <sys/conf.h>
33 #include <sys/kernel.h>
34 #include <sys/module.h>
35 #include <sys/vnode.h>
36 
37 /*
38  * These are variables that the DTrace test suite references in the
39  * Solaris kernel. We define them here so that the tests function
40  * unaltered.
41  */
42 int	kmem_flags;
43 
44 typedef struct vnode vnode_t;
45 vnode_t dummy;
46 vnode_t *rootvp = &dummy;
47 
48 static int
49 dtrace_test_modevent(module_t mod, int type, void *data)
50 {
51 	int error = 0;
52 
53 	switch (type) {
54 	case MOD_LOAD:
55 		break;
56 
57 	case MOD_UNLOAD:
58 		break;
59 
60 	case MOD_SHUTDOWN:
61 		break;
62 
63 	default:
64 		error = EOPNOTSUPP;
65 		break;
66 
67 	}
68 	return (error);
69 }
70 
71 DEV_MODULE(dtrace_test, dtrace_test_modevent, NULL);
72 MODULE_VERSION(dtrace_test, 1);
73 MODULE_DEPEND(dtrace_test, dtraceall, 1, 1, 1);
74