1 /*
2 * Copyright (c) 2000-2005 Silicon Graphics, Inc.
3 * All Rights Reserved.
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it would be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18 #ifndef __XFS_SUPPORT_DEBUG_H__
19 #define __XFS_SUPPORT_DEBUG_H__
20
21 #include <stdarg.h>
22
23 #define CE_DEBUG 7 /* debug */
24 #define CE_CONT 6 /* continuation */
25 #define CE_NOTE 5 /* notice */
26 #define CE_WARN 4 /* warning */
27 #define CE_ALERT 1 /* alert */
28 #define CE_PANIC 0 /* panic */
29
30 extern void icmn_err(int, char *, va_list)
31 __attribute__ ((format (printf, 2, 0)));
32 extern void cmn_err(int, char *, ...)
33 __attribute__ ((format (printf, 2, 3)));
34 extern void assfail(char *expr, char *f, int l);
35
36 #define ASSERT_ALWAYS(expr) \
37 (unlikely(expr) ? (void)0 : assfail(#expr, __FILE__, __LINE__))
38
39 #ifndef DEBUG
40 #define ASSERT(expr) ((void)0)
41
42 #ifndef STATIC
43 # define STATIC static noinline
44 #endif
45
46 #ifndef STATIC_INLINE
47 # define STATIC_INLINE static inline
48 #endif
49
50 #else /* DEBUG */
51
52 #include <linux/random.h>
53
54 #define ASSERT(expr) \
55 (unlikely(expr) ? (void)0 : assfail(#expr, __FILE__, __LINE__))
56
57 #ifndef STATIC
58 # define STATIC noinline
59 #endif
60
61 /*
62 * We stop inlining of inline functions in debug mode.
63 * Unfortunately, this means static inline in header files
64 * get multiple definitions, so they need to remain static.
65 * This then gives tonnes of warnings about unused but defined
66 * functions, so we need to add the unused attribute to prevent
67 * these spurious warnings.
68 */
69 #ifndef STATIC_INLINE
70 # define STATIC_INLINE static __attribute__ ((unused)) noinline
71 #endif
72
73 #endif /* DEBUG */
74
75
76 #endif /* __XFS_SUPPORT_DEBUG_H__ */
77
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