xref: /illumos-gate/usr/src/uts/common/fs/zfs/sys/zfs_debug.h (revision 68ac2337c38c8af06edcf32a72e42de36ec72a9d)
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  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #ifndef _SYS_ZFS_DEBUG_H
27 #define	_SYS_ZFS_DEBUG_H
28 
29 #pragma ident	"%Z%%M%	%I%	%E% SMI"
30 
31 #ifdef	__cplusplus
32 extern "C" {
33 #endif
34 
35 #ifndef TRUE
36 #define	TRUE 1
37 #endif
38 
39 #ifndef FALSE
40 #define	FALSE 0
41 #endif
42 
43 /*
44  * ZFS debugging
45  */
46 
47 #if defined(DEBUG) || !defined(_KERNEL)
48 #define	ZFS_DEBUG
49 #endif
50 
51 extern int zfs_flags;
52 
53 #define	ZFS_DEBUG_DPRINTF	0x0001
54 #define	ZFS_DEBUG_DBUF_VERIFY	0x0002
55 #define	ZFS_DEBUG_DNODE_VERIFY	0x0004
56 #define	ZFS_DEBUG_SNAPNAMES	0x0008
57 #define	ZFS_DEBUG_MODIFY	0x0010
58 
59 #ifdef ZFS_DEBUG
60 extern void __dprintf(const char *file, const char *func,
61     int line, const char *fmt, ...);
62 #define	dprintf(...) \
63 	if (zfs_flags & ZFS_DEBUG_DPRINTF) \
64 		__dprintf(__FILE__, __func__, __LINE__, __VA_ARGS__)
65 #else
66 #define	dprintf(...) ((void)0)
67 #endif /* ZFS_DEBUG */
68 
69 #ifdef	__cplusplus
70 }
71 #endif
72 
73 #endif	/* _SYS_ZFS_DEBUG_H */
74