]>
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 | |
684f9783 HX |
19 | #define WARN_ON(condition) ({ \ |
20 | typeof(condition) __ret_warn_on = (condition); \ | |
21 | if (unlikely(__ret_warn_on)) { \ | |
22 | printk("BUG: warning at %s:%d/%s()\n", __FILE__, \ | |
23 | __LINE__, __FUNCTION__); \ | |
24 | dump_stack(); \ | |
25 | } \ | |
26 | unlikely(__ret_warn_on); \ | |
27 | }) | |
1da177e4 LT |
28 | #endif |
29 | ||
c8538a7a MM |
30 | #else /* !CONFIG_BUG */ |
31 | #ifndef HAVE_ARCH_BUG | |
32 | #define BUG() | |
33 | #endif | |
34 | ||
c8538a7a MM |
35 | #ifndef HAVE_ARCH_BUG_ON |
36 | #define BUG_ON(condition) do { if (condition) ; } while(0) | |
37 | #endif | |
38 | ||
39 | #ifndef HAVE_ARCH_WARN_ON | |
8c7c7c9b RB |
40 | #define WARN_ON(condition) ({ \ |
41 | typeof(condition) __ret_warn_on = (condition); \ | |
42 | unlikely(__ret_warn_on); \ | |
43 | }) | |
c8538a7a MM |
44 | #endif |
45 | #endif | |
46 | ||
d69a8922 AM |
47 | #define WARN_ON_ONCE(condition) ({ \ |
48 | static int __warned; \ | |
49 | typeof(condition) __ret_warn_once = (condition); \ | |
50 | \ | |
51 | if (unlikely(__ret_warn_once)) \ | |
52 | if (WARN_ON(!__warned)) \ | |
53 | __warned = 1; \ | |
54 | unlikely(__ret_warn_once); \ | |
74bb6a09 IM |
55 | }) |
56 | ||
8eb94f80 IM |
57 | #ifdef CONFIG_SMP |
58 | # define WARN_ON_SMP(x) WARN_ON(x) | |
59 | #else | |
60 | # define WARN_ON_SMP(x) do { } while (0) | |
61 | #endif | |
62 | ||
1da177e4 | 63 | #endif |