ia64/linux-2.6.18-xen.hg

view include/asm-generic/bug.h @ 782:9ab1c319531f

merge with linux-2.6.18-xen.hg
author Isaku Yamahata <yamahata@valinux.co.jp>
date Wed Jan 28 13:07:23 2009 +0900 (2009-01-28)
parents 831230e53067
children
line source
1 #ifndef _ASM_GENERIC_BUG_H
2 #define _ASM_GENERIC_BUG_H
4 #include <linux/compiler.h>
6 #ifdef CONFIG_BUG
7 #ifndef HAVE_ARCH_BUG
8 #define BUG() do { \
9 printk("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \
10 panic("BUG!"); \
11 } while (0)
12 #endif
14 #ifndef HAVE_ARCH_BUG_ON
15 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0)
16 #endif
18 #ifndef HAVE_ARCH_WARN_ON
19 #define WARN_ON(condition) do { \
20 if (unlikely((condition)!=0)) { \
21 printk("BUG: warning at %s:%d/%s()\n", __FILE__, __LINE__, __FUNCTION__); \
22 dump_stack(); \
23 } \
24 } while (0)
25 #endif
27 #else /* !CONFIG_BUG */
28 #ifndef HAVE_ARCH_BUG
29 #define BUG()
30 #endif
32 #ifndef HAVE_ARCH_BUG_ON
33 #define BUG_ON(condition) do { if (condition) ; } while(0)
34 #endif
36 #ifndef HAVE_ARCH_WARN_ON
37 #define WARN_ON(condition) do { if (condition) ; } while(0)
38 #endif
39 #endif
41 #define WARN_ON_ONCE(condition) \
42 ({ \
43 static int __warn_once = 1; \
44 int __ret = 0; \
45 \
46 if (unlikely((condition) && __warn_once)) { \
47 __warn_once = 0; \
48 WARN_ON(1); \
49 __ret = 1; \
50 } \
51 __ret; \
52 })
54 #ifdef CONFIG_SMP
55 # define WARN_ON_SMP(x) WARN_ON(x)
56 #else
57 # define WARN_ON_SMP(x) do { } while (0)
58 #endif
60 #endif