diff options
Diffstat (limited to 'kernel/rtmutex-debug.h')
-rw-r--r-- | kernel/rtmutex-debug.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/kernel/rtmutex-debug.h b/kernel/rtmutex-debug.h new file mode 100644 index 000000000000..7612fbc62d70 --- /dev/null +++ b/kernel/rtmutex-debug.h | |||
@@ -0,0 +1,37 @@ | |||
1 | /* | ||
2 | * RT-Mutexes: blocking mutual exclusion locks with PI support | ||
3 | * | ||
4 | * started by Ingo Molnar and Thomas Gleixner: | ||
5 | * | ||
6 | * Copyright (C) 2004-2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com> | ||
7 | * Copyright (C) 2006, Timesys Corp., Thomas Gleixner <tglx@timesys.com> | ||
8 | * | ||
9 | * This file contains macros used solely by rtmutex.c. Debug version. | ||
10 | */ | ||
11 | |||
12 | #define __IP_DECL__ , unsigned long ip | ||
13 | #define __IP__ , ip | ||
14 | #define __RET_IP__ , (unsigned long)__builtin_return_address(0) | ||
15 | |||
16 | extern void | ||
17 | rt_mutex_deadlock_account_lock(struct rt_mutex *lock, struct task_struct *task); | ||
18 | extern void rt_mutex_deadlock_account_unlock(struct task_struct *task); | ||
19 | extern void debug_rt_mutex_init_waiter(struct rt_mutex_waiter *waiter); | ||
20 | extern void debug_rt_mutex_free_waiter(struct rt_mutex_waiter *waiter); | ||
21 | extern void debug_rt_mutex_init(struct rt_mutex *lock, const char *name); | ||
22 | extern void debug_rt_mutex_lock(struct rt_mutex *lock __IP_DECL__); | ||
23 | extern void debug_rt_mutex_unlock(struct rt_mutex *lock); | ||
24 | extern void debug_rt_mutex_proxy_lock(struct rt_mutex *lock, | ||
25 | struct task_struct *powner __IP_DECL__); | ||
26 | extern void debug_rt_mutex_proxy_unlock(struct rt_mutex *lock); | ||
27 | extern void debug_rt_mutex_deadlock(int detect, struct rt_mutex_waiter *waiter, | ||
28 | struct rt_mutex *lock); | ||
29 | extern void debug_rt_mutex_print_deadlock(struct rt_mutex_waiter *waiter); | ||
30 | # define debug_rt_mutex_reset_waiter(w) \ | ||
31 | do { (w)->deadlock_lock = NULL; } while (0) | ||
32 | |||
33 | static inline int debug_rt_mutex_detect_deadlock(struct rt_mutex_waiter *waiter, | ||
34 | int detect) | ||
35 | { | ||
36 | return (waiter != NULL); | ||
37 | } | ||