]>
Commit | Line | Data |
---|---|---|
9a11b49a IM |
1 | #ifndef __LINUX_DEBUG_LOCKING_H |
2 | #define __LINUX_DEBUG_LOCKING_H | |
3 | ||
ca31e146 EGM |
4 | #include <linux/kernel.h> |
5 | ||
9b7f750d AD |
6 | struct task_struct; |
7 | ||
9a11b49a IM |
8 | extern int debug_locks; |
9 | extern int debug_locks_silent; | |
10 | ||
11 | /* | |
12 | * Generic 'turn off all lock debugging' function: | |
13 | */ | |
14 | extern int debug_locks_off(void); | |
15 | ||
9a11b49a IM |
16 | #define DEBUG_LOCKS_WARN_ON(c) \ |
17 | ({ \ | |
18 | int __ret = 0; \ | |
19 | \ | |
53b9d87f | 20 | if (!oops_in_progress && unlikely(c)) { \ |
9127d4b1 | 21 | if (debug_locks_off() && !debug_locks_silent) \ |
9a11b49a IM |
22 | WARN_ON(1); \ |
23 | __ret = 1; \ | |
24 | } \ | |
25 | __ret; \ | |
26 | }) | |
27 | ||
28 | #ifdef CONFIG_SMP | |
29 | # define SMP_DEBUG_LOCKS_WARN_ON(c) DEBUG_LOCKS_WARN_ON(c) | |
30 | #else | |
31 | # define SMP_DEBUG_LOCKS_WARN_ON(c) do { } while (0) | |
32 | #endif | |
33 | ||
34 | #ifdef CONFIG_DEBUG_LOCKING_API_SELFTESTS | |
35 | extern void locking_selftest(void); | |
36 | #else | |
37 | # define locking_selftest() do { } while (0) | |
38 | #endif | |
39 | ||
f86e4513 KM |
40 | struct task_struct; |
41 | ||
9a11b49a IM |
42 | #ifdef CONFIG_LOCKDEP |
43 | extern void debug_show_all_locks(void); | |
82a1fcb9 | 44 | extern void __debug_show_held_locks(struct task_struct *task); |
9a11b49a IM |
45 | extern void debug_show_held_locks(struct task_struct *task); |
46 | extern void debug_check_no_locks_freed(const void *from, unsigned long len); | |
47 | extern void debug_check_no_locks_held(struct task_struct *task); | |
48 | #else | |
49 | static inline void debug_show_all_locks(void) | |
50 | { | |
51 | } | |
52 | ||
82a1fcb9 IM |
53 | static inline void __debug_show_held_locks(struct task_struct *task) |
54 | { | |
55 | } | |
56 | ||
9a11b49a IM |
57 | static inline void debug_show_held_locks(struct task_struct *task) |
58 | { | |
59 | } | |
60 | ||
61 | static inline void | |
62 | debug_check_no_locks_freed(const void *from, unsigned long len) | |
63 | { | |
64 | } | |
65 | ||
66 | static inline void | |
67 | debug_check_no_locks_held(struct task_struct *task) | |
68 | { | |
69 | } | |
70 | #endif | |
71 | ||
72 | #endif |