]>
Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | #ifndef _ASM_GENERIC_BUG_H |
2 | #define _ASM_GENERIC_BUG_H | |
3 | ||
4 | #include <linux/compiler.h> | |
1da177e4 | 5 | |
c8538a7a | 6 | #ifdef CONFIG_BUG |
1da177e4 LT |
7 | #ifndef HAVE_ARCH_BUG |
8 | #define BUG() do { \ | |
91368d73 | 9 | printk("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ |
1da177e4 LT |
10 | panic("BUG!"); \ |
11 | } while (0) | |
12 | #endif | |
13 | ||
1da177e4 LT |
14 | #ifndef HAVE_ARCH_BUG_ON |
15 | #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) | |
16 | #endif | |
17 | ||
18 | #ifndef HAVE_ARCH_WARN_ON | |
19 | #define WARN_ON(condition) do { \ | |
20 | if (unlikely((condition)!=0)) { \ | |
91368d73 | 21 | printk("BUG: warning at %s:%d/%s()\n", __FILE__, __LINE__, __FUNCTION__); \ |
1da177e4 LT |
22 | dump_stack(); \ |
23 | } \ | |
24 | } while (0) | |
25 | #endif | |
26 | ||
c8538a7a MM |
27 | #else /* !CONFIG_BUG */ |
28 | #ifndef HAVE_ARCH_BUG | |
29 | #define BUG() | |
30 | #endif | |
31 | ||
c8538a7a MM |
32 | #ifndef HAVE_ARCH_BUG_ON |
33 | #define BUG_ON(condition) do { if (condition) ; } while(0) | |
34 | #endif | |
35 | ||
36 | #ifndef HAVE_ARCH_WARN_ON | |
37 | #define WARN_ON(condition) do { if (condition) ; } while(0) | |
38 | #endif | |
39 | #endif | |
40 | ||
74bb6a09 IM |
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 | }) | |
53 | ||
1da177e4 | 54 | #endif |