xref: /illumos-gate/usr/src/uts/common/fs/zfs/sys/zfs_debug.h (revision 9dd828891378a0a6a509ab601b4c5c20ca5562ec)
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, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef _SYS_ZFS_DEBUG_H
28 #define	_SYS_ZFS_DEBUG_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #ifdef	__cplusplus
33 extern "C" {
34 #endif
35 
36 #ifndef TRUE
37 #define	TRUE 1
38 #endif
39 
40 #ifndef FALSE
41 #define	FALSE 0
42 #endif
43 
44 /*
45  * ZFS debugging
46  */
47 
48 #if defined(DEBUG) || !defined(_KERNEL)
49 #define	ZFS_DEBUG
50 #endif
51 
52 extern int zfs_flags;
53 
54 #define	ZFS_DEBUG_DPRINTF	0x0001
55 #define	ZFS_DEBUG_DBUF_VERIFY	0x0002
56 #define	ZFS_DEBUG_DNODE_VERIFY	0x0004
57 #define	ZFS_DEBUG_SNAPNAMES	0x0008
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